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Yugoslavian Partisan Navy in WWII-Adriatic Sea (updated2021)

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Defected to the U.S.S.R.: 20 Feb 2010, 11:57
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Post 17 Jun 2010, 15:07
During WWII, the Yugoslavian communist partisan movement organized into the “National Liberation Army” (NOV) was among the most powerful European resistance organizations fighting Nazi-fascism.
With the development of war, the partisans grew in size, power, and popular support due the horrific repression committed by Nazi-fascist occupation’s forces.
Even the western Allies realized how they were the most formidable asset and an invaluable front against the Nazi Germany, eventually recognizing the communist rule and providing collaboration and support.
It is important to stress that such support co-existed with a similar Soviet support (before the Soviet-Yugoslavian political split in early Cold War): partisans and Soviet Army liberated together Belgrade.
Interestingly, the western Allies at first backed the monarchist Serb “Chetnicks” (notorious for keeping their beards and hair long “until the King’s rule was restored”): they proved unreliable and joined the Axis, committing atrocities against population alongside Nazi Germans, Italian fascists and the Christian-fascist Croat “Ustasha”.

The naval component of the war was quite significant: during the struggle against Fascist Italy (before 8 September 1943), partisan used fishing boats and attacks from shore to harass small transport boats on supply duties.
The Navy was fully reorganized in September 1943 for the struggle against the Nazi Germany and its puppet forces: boats were split between gunboats " NB " (up 30metres of length, 40mm and 20mm guns, 10-20 crewmembers) and smaller patrol boats "PC” (usually only 20mm guns, 10-15 crewmembers).

The Partisan Navy operated primarily from Vis Island that stationed also Royal Navy units operating motor torpedo boats and gunboats (acting independently).
During the time of conflict, the Allies never delivered to partisans proper warships except for twelve small ex-British landing ships (LCT(2) type) proving invaluable for transporting and landing partisans but they did not suffer losses nor encountered the enemy in action. The Kriegsmarine operated few larger units in Adriatic (all ex-Italian corvettes or torpedo boats) mostly engaging British and French warships. However, motor torpedo boat, small assault boats and landing crafts engaged partisans. Partisan units however primarily engaged supply transports resulting in boarding and seizures. Sometimes there were clashes with auxiliary armed boats (ex-civilian converted).



The Yugoslavian Partisan Navy was one of the three communist naval forces active in WW2, alongside the similar Greek partisan Navy (ELAN) and obviously the Soviet Navy. Interestingly, it appears by sheer numbers the Yugoslavian partisans scored a similar success in terms of enemy targets seized/sunk in direct surface actions compared with the Soviet Navy! (Excluding motor torpedo boats and Soviet successes against Japan and Manchukuo).
Confirmed data include 10 military/armed boats (1 minelayer, 1 “anti-partisan” ship, 1 landing craft, 1 armed tug, 2 armed auxiliary boats, 4 minor crafts) and 25 transport/supply boats.

In addition to the early Italian and later German activity, in 1944 operated also the “Navy of Independent State of Croatia”: effectively a puppet-state with no real function, led by the extremely unpopular Croat “Ustasha” Christian-fascist organization, the “Navy” proved unreliable to the Germans, due sailors’ sympathy for partisans, attempted and succeeded defections.

Interestingly, the Partisans received a number of pre-war Yugoslavian warships (including a submarine and two torpedo boats) in August 1945 that fled to exile with the German occupation and saw little service with Allies. However, the war in Europe was over and on 29 November 1945, the Socialist Federal Republic of Yugoslavia was proclaimed.


NOTE on name conventions: Technically the communist partisans were named under the “National Liberation Army”, however the wording “Partisan” (rather than “Yugoslavian”) is widely used both by international and Yugoslavian literature
NOTE: The following list do not include Partisan transport/supply boats lost by enemy aircrafts, nor Partisan successes scored solely by ground actions/shelling (mentioned only if there was close presence of Partisan boats). Details of river warfare will be covered in another page.


ORIGINAL SOURCES CREDITS (c):
Most of the data come from the Yugoslav Naval Encyclopedia (forum.axishistory.com) and sites vojska.net (english), paluba.info (croat)
German data from the War diary : German Naval Staff Operations Division (available online: https://archive.org/search.php?query=cr ... ligence%22 ) and the invaluable historisches-marinearchiv.de (German database)
British info from http://cfv.org.uk/forum/
Italian source: “Dalmazia una cronaca per la storia” by Oddone Talpo.
Very useful Jugoslavian sources: “ZBORNIK DOKUMENATA I PODATAKA O NARODNOOSLOBODILAČKOM RATU JUGOSLOVENSKIH NARODA (Volume VIII)” by Kukoč Milić and K. Popović

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23 May 1942
Partisans using a fishing boat captured transport boat Mira(cargo: wheat and potatoes).


11 August 1942
Partisans using a fishing boat captured transport boat Dux (cargo: 6 tons of olive oil).


19 October 1942
Partisans using a fishing boat attacked two transport boats.The attack failed: there are scarce details.


18 November 1942
Partisans using a fishing boat captured a transport boat. Scarce details, partisans reportedly unloaded the cargo.


18 December 1942
The Yugoslavian’s People Liberation Navy officially founded.


On December 1942, Partisans officially put in service their first armed patrol boat named “Pionir” (a former fishing boat with only 8 crewmember and 1 machinegun). This single boat would later joined by “Partizan” and “Proletar” by the end of January.


31 December 1942 – 1 January 1943
Partisan patrol boat “Pionir” captured five transport boats: Istok, Madre Giovanna, Otac Vladimir, Zdravlje, Sveti Ante on 31 December and transport boat Europa on 1 January while “S.Eufemia” escaped (overall cargo: cigarettes and 140tons food including corn, beans, potatoes pasta, cigarettes. A package of 600 cigarettes gifted to Marshal Tito. Europa would later become second armed patrol boat, named “Partizan”. A reported Italian attempt to recover the six seized boats in Pogdara harbor with small minelayer Pasman repulsed with ground fire (no Italian report of this alleged action).


4 January 1943
A partisan boat attacked transport boat San Spiridione. Italians report how the action of a patrol vessel prevented the capture.


6 January 1943
Italian torpedo boat T-5, small minelayers Ugliano and Pasman, antisubmarine boat Marongiu and armed tug Poderoso attacked Pogdara harbor claiming the destruction of up “39 boats”. Partisans indicate the attack on the morning of 7 January, stating it was repelled with intense ground fire and without damaging the “Partizan” or the “Pionir” but other two boats (likely ex-fishing boats used as transports). The operation was unrelated to the gunfire directed against the Italian anti-partisan ship NAP-2 (close Gradac), killing onboard the Italian commander Gregoretti of the naval Makaraska office notorious for terrorizing the local fishermen with raids and robberies.
Image

Sister-ship T-8: former Yugoslavian torpedo boat seized by Italians. Eventually the very same T-5 returned in the Yugoslavian service post-war.


22 January 1943
A partisan boat captured and burned transport boat Giuditta. On the same day, the Italian small minelayer Ugliano intercepted and shelled the Partisan-controlled transport boat Padre Felice (35 tons), until her explosion.


24 February 1943
Partisan patrol boat Partizan (former captured transport boat Europa) sunk by Italian seaplane. The Italians describe it as a coordinated operation against Pogdara harbor with the small minelayer Ugliano. This left only the Pionir as official patrol boat in service alongside the small launch Proletar.


25 February 1943
Italian sources describe the loss of transport boat Antonietta B. (48 tons): three partisans on a fishing boat approached and seized her after pulling out hidden weapons after jumping onboard. Partisans actually planned to seize another boat (Antonietta Madre) with a cargo of fuel, interestingly the Italian crew prisoners later reported presence of Italian defectors among the partisans in Kraj (close Makaraska).


8 March 1943
The Italian anti-partisan boat NAP-2 intercepted and seized on sea the motorboat Maria suspected to have secretly transported partisan recruits.


20 March 1943
A group of 25 partisan disembarked from the motorboat Mia Sant’Anna (10 tons) surrendered to Italians and the enemy recovered the boat at Vela Luka.


22 March 1943
A partisan boat captured and sunk transport boats Maria Luisa (47 tons) and Renato (23 tons). Italians claim the sinking of a partisan boat (unconfirmed), the Maria Luisa was later converted into a small hospital-boat to transport wounded.


14 April 1943
A partisan boat disguised as a fishing boat infiltrated a small convoy and captured motor ship Africano (70tons). Most of armed partisans remained hidden under the deck, until the right moment for boarding. Another Italian boat, named Fedora, was briefly boarded but abandoned after the reaction of the Italian armed boat Luigina. There was an exchange of machinegun fire from the Luigina and the Partisan boat that still managed to escape with Africano as prize. The captured boat was set afire and cargo unloaded, 5 crewmembers captured.


1 May 1943
The Italian anti-partisan ship NAP-24 and motorboat MB-9, engaged Partisans at Makaraska. During the operation they at first damaged then took the armed launch Proletar used by partisans to ferry troops, but she sank in tow due earlier damage. Some sources wrongly indicate the year 1944.


27 May 1943
A partisan boat attacked a convoy. Scarce details.


21 July 1943
A partisan boat captured a transport boat. Scarce details. Italian sources indicate the loss of the Ustasha tug “Rudnik” at Drasnice (close Podgora), with partisans opening fire from a boat using a small gun on unreported date: unclear if the tug was the actual boat seized on 21 July. Croatian sources gave little details but describe “Rudnik” as a rarity in early 1943 because Italians didn’t want Croatian authorities to use an own naval force.



8 September 1943
The surrender of Italy will bring a big change on the Partisan Naval Force that will start to be re-organized and re-armed, with proper patrol boats (usually former fishing boats) converted and re-armed and gunboats (larger units) with more weapons.



27 September 1943
During transport operations at Lošinj, the partisan transport boats Lav and Makarska captured a small Chetnik tanker boat (cargo: 80tons of fuel). It was an interesting small success because the Partisans had rare occasions to encounter Chetniks on sea. Italian sources indicate the loss of the small motor tanker Emilia (175 tons) off Otok Plavnik Island (between Krk and Losinj): it’s possible she was under Chetnik control at the time, but there is no confirmation if she was indeed the tanker seized by the transports boats.


1 October 1943
Gunboat NB-9 Biokovac opened fire (with support of ground forces) against the enemy transport ship Rab (was carrying Ustasha troop), no damage was caused but ship retreated.


6 October 1943
Italian torpedo boat Missori captured an unidentified transport boat (cargo of weapons). Technically the ship was under German control mostly Italian-manned: Italian sources actually describe a sabotage occurred on the very same 6th October that forced the Germans to repair her, without mentioning attacks or seizure of hostile vessels. Details about the attack on partisan boat are unclear: it’s possible it was captured a local Italian vessel or a civilian craft. On December the Missori was incorporated to the Kriegsmarine as TA-22.


20 October 1943
A German war diary, reports a clash between an auxiliary sailing boat against an hostile similar unit close Ilovik island. The same German boat reported to have clashed against other two enemy vessels at Isto Island, returning finally to Pola with casualties. It's unclear both the identity of the German vessel and the attackers. It's also possible that the clash has been reported with some delay into the main KTB. Partisans do not report a similar episode (only an attack by coastal forces on 13 October): it’s possible it was an unreported skirmish, or maybe a clash against armed civilians, Italians, smugglers or bandits.


3-4 November 1943
During the night, the gunboat NB-9 Biokovac had a clash against the enemy armed boats Marija and Naprijed: the gunboat suffered few hits and the commander was wounded. Also the Germans suffered damages, an officer and other 6 sailors wounded .


5-6 November 1943
Small patrol boat PC-61 Udar forced to escape the German transport boat Sv. Franjo that was also damaged.
Enemy suffered 8 killed and 5 wounded, because of the close-quarter fight and launches of hand grenades.


11 November 1943
Patrol boats PC-21 Miran and PC-22 Streljko reportedly attacked two larger enemy transport boats (larger one estimated to be 500tons). A firefight ensued, with one boat claimed as damaged and saved from the boarding only by the defensive action of the second. However, partisans reported that the damaged boat despite being on tow, sunk near Žuta Island. Currently there is no confirmation for the ships identities and no loss indicated by German accounts.


13 November 1943
German cruiser Niobe and torpedo boat TA-21 captured the already damaged patrol boat Partizan-III and a small boat (both damaged by air raid). The two Partisans boats attempted to flee, but they were attacked, further damaged and forced back to harbor, 8 British onboard also captured, while some partisan crewmembers were also wounded. At the time of the loss, the Partisan Navy was in the process of changing names reorganize itself, with many boats changing name and not all already bearing an official hull number. In addition, Germans reported other vessels captured, but they were probably civilians. The patrol boat was not part of the new flotilla of classified and named gunboats (NB) and patrol boats (PC), but was part of the previous 1943 period.
Image

Old cruiser Dalmacija, captured and used by Germans as Niobe. She sunk by British MTB attack.


17 November 1943
Small patrol boat PC-59 Lapad attempted to attack the enemy stranded motorboat Roditelj, that alongside with motorboat Milos, suffered an attack from partisan batteries in Mali Vratnik. The attack however failed because of enemy machinegun fire from the shore, PC-59 Lapad pulled back without losses.


20 November 1943
The Partisan transport sailing ship Jela (335 GRT) sunk of Bari in Italy on a mine laid by German submarine U-453. 7 crewmembers died. The ship was empty at the time of the sinking because was coming from Vis Island. Contrary to most of the western reports she wasn’t part of the exiled royalist forces, but was under partisan control.


28 November 1943
German motor torpedo boat S-61 claimed to have boarded and then scuttled what they claimed to be a Partisan transport boat. There are no Partisans details or mentions for this loss: possibly, it was a civilian boat. German documents however indicate no cargo onboard.


8-9 December 1943
During the night, gunboat NB-9 Biokovac, with support of PC-54 Turist, captured the Ustasha transport boat Jadro. Apart the crew of 6 (including the commander that actually collaborated with the Partisan Intelligence and signaled the route of the ship), were captured 30 Ustasha and 2 Germans (even if one of them escaped, throwing himself overboard and swimming to the coast). Apart the weapons of the Ustasha (31 rifles and 8 guns) was captured also the cargo of 90 tons of food.
Image

Photo of NB-9


9-10 December 1943
During the night, the gunboat NB-6 Napredak, with support of the small patrol boats PC-43 Napred and PC-45 Batos, captured the Ustasha transport boat Sv. Nikola. Differently from the capture of “Jadro”, the boat made resistance but most of the crew left by swimming to the close shore except a German and the captain of the ship who died in the fighting and 6 passengers captured. 1 Partisan was also slightly wounded. The captured loot included 1 light mortar, few weapons, mail, ammunition and food: crewmembers and passengers likely brought with them a good amount of weapons because kept firing even after reaching the shore. It appears that as the capture of Jadro, Partisans agents among the Ustasha had contacted the Intelligence and signaled the route of the boat.
Image

Photo of NB-6.


10 December 1943
Patrol boat PC-3 Skampo attacked an enemy steamer without results.


12 December 1943
Gunboat NB-8 Kornat was damaged by enemy ground mortar attack: 1 sailor killed, 1 wounded


16 December 1943
Patrol boat PC-3 Skampo attacked an enemy steamer her identification as well as claim of damage are unproved so far from German side. Other three boats originally planned to attack the steamer but the coordinated attempt failed because technical issues.


17/18 December 1943
Sailors of the patrol boat PC-2 Macola attacked from ground a German motor boat, some partisan sailors were killed.
This event match with the loss of German landing craft SF-193: she hit and grounded due artillery fire from British motor torpedo boat MTB-637, but later targeted by the partisans. Germans suffered 6 KIA, 11 MIA and 29 later rescued. Ship also carried 24tons of fuel for vehicles, 29 infantrymen and 800 lifejackets. Other partisan sources claimed a second PC boat involved, with an overestimate of troops transported (up 150).
Technically, this shared success represent the most significant officially rated warship of Kriegsmarine lost due shared British/Partisan action (excluding the un-rated minelayer Pasman, and a number of armed boats of civilian origins: they were however often more armed and larger than this Siebel landing craft).
Interestingly, Partisans documents indicate the landing craft was used as a transport maona (motor barge), but without indicating a change of name or the incorporation as a fighting boat.


20 December 1943
The patrol boat PC-53 Zora and the small patrol boats PC-41 Napredak, PC-42 and PC-43 Napred with the allied British motor torpedo boat MTB-649 and the help of partisan coastal artillery, attacked and captured the German armed boats HZ-8 and HZ-9. 1 German sailor was killed after the fire of the coastal artillery. The Partisan Navy will later use the two units as gunboats (NB-1 Krava and NB-2 Koca).
It was the most effective coordinated Partisan and British action against Germans.


24 December 1943
Small patrol boat PC-64 Neutralni attacked and sunk a German landing boat. Actually, according the German KTB (War Diaries) online, the Germans lost two landing boats during landing on Korcula Island. It is possible that the other unit sunk by coastal artillery. Currently it is unclear the class of the lost boats (they were likely StuBo assault crafts or small seized motorboats). There are scarce Partisans descriptions of the action because the Flotilla was heavily engaged in the evacuation of troops from the Island. Subsequent partisan records indicate that a boat named “Sv. Ante” was captured during the action, however it’s unclear if she was the first or the second lost boat, and how she was captured exactly.


27 December 1943
Small patrol boat PC-61 Udar and the gunboat NB-5 Ivan were all sunk by German air attack. PC-61 raised and brought to Vis Island on July 1944, but eventually scrapped.
Some sources report also the loss of the small patrol boat PC-67 Kerc, this is actually fully confirmed by Partisan documents.
Image

NB-5 Ivan was a former American submarine chaser (SC-1 class) acquired before the war and used for civilian purpose.


28 December 1943
The small Partisan patrol boat PC-60-II Vjekoslava was sunk by a German air attack.


31 December 1943
The German small minelayer Pasman accidentally stranded, on the way to be moved to the Ustasha naval forces (technically she was not a Kriegsmarine rated nor was yet part of the Navy of “Independent State of Croatia”).
Partisan sources identified the target with the original Yugoslavian name, “Mosor”.
Despite her unofficial status (due the transfer) she was effectively the largest/most advanced warship lost due partisan naval action.
Gunboat NB-3 Jadran attacked the Pasman, forced the crew to surrender (24 Germans and 4 Croats) after their garrisoned in a nearby building, and later destroyed the minelayer with explosive charges on day 5 January. A German rescue mission with the torpedo boat TA-22 occurred only on 9 January (it was delayed by weather) when it was already too late.
The Pasman was a small ship but could have had some combat value in her functions.
Image

Photo of NB-3 (larger one) in summer: notice the summer "uniforms".
Image

Photo of the small minelayer Pasman: she had 30 meters of length and 142 tons of weight, 9 knots of speed and 30 crewmembers (had 28 at the time of capture). She was armed with a gun of 47mm and from 20 to 34 naval mines.
Even if still not officially part of the Ustasha Navy (she was going to be), Pasman was the largest enemy warship lost due Partisan surface naval action and the most important due classification.



3 January 1944
Patrol boat PC-1 Jadran and PC-3 Skampo attacked the enemy transport ship Slavija, but she managed to escape. Partisans boats experienced failures to their weapons and this was the main reason for the attack’s failure.


8 January 1944.
During the night, a patrol boat described to have captured an enemy motor boat, reportedly close Baska (Krk island). Still unconfirmed claim with poor details and no official Partisan claim of victory.
NB-3 Jadran and NB-8 Kornat operated between Biograd and Piovac (very distant from Krk!) on escort mission but there is no detailed account of seizure or clash. Partisan sources also indicate the recovery of an abandoned boat at Sucuraj on 10 January, with suspects on spies’ infiltration (2 German and 1 Italian spy later captured) and possibly different sources merged all these operations.


9 January 1944
First German motor torpedo boat raid: S-36 and S-55 claim to have captured 2 transport boats (allegedly carrying fuel and ammunition) and scuttled them with charges. Partisans sources indicate convoys and transports boats operating between 8 and 10 January, but no reference to attacks or losses. It is possible the Germans attacked civilian boats.


10 January 1944
German motor torpedo boats S-36 and S-55 score a third victory: the partisan transport ship Marija (450tons) was seized. However, the following day the prize was sunk by a British air attack that sunk also S-55 and damaged S-36. At least one source indicate the loss of a boat named “Marijian” on 12/Jan/45 reportedly by mine, however this is unconfirmed by Partisan data and possibly it was a mistaken report of “Marija” loss in 1944.


13 January 1944
A German sailing boat sailed to Olib island ant 2 German sailors disembarked to collect firewood. A group of partisans ambushed and wounded them and triggered return fire from the boat: she attempted to flee and had a brief encounter with an unidentified Partisan armed boat until a seaplane made a strafing run allowing the boat to escape toward Zadar. Two Partisans units that could have been engaged are NB-6 Napredak or PC-21 Miran, but the same Partisan sources gave no further confirmation.


14 January 1944
During a bombing on Vis Island, the patrol boat PC-24 Marjan suffered damages, while a sailor of PC-54 Turist died.


16 January 1944
Two German assault boats claim the sinking of 2 transport boats. Partisans indicate the loss of motorboat Sretan-II (25 tons) and Dobaroctar (50tons) both heavily damaged near Cape Pelegrin (Hvar Island) and later sunk into Zaglav Bay of Pakleni islands.


19 January 1944
Four German assault boats claim to have sunk 2 transport boats. There is no Partisan indication of losses or attacks (differently from the attack of 16 January); and it’s possible that Germans attacked civilian fishing boats.

On the same day,
German sources report the loss of an unidentified landing craft during a landing at Hvar Island. She stuck an anti-tank mine buried under sand, killing 21 soldiers. Identity is unclear but she was possibly a smaller assault craft (and not a larger MFP or Siebel type landing craft).


25 January 1944
During the night between 24 and 25 January, Patrol boats PC-1 Jadran and PC-3 Skampo attacked the enemy armed tug Costante (500tons), that was grounded (partisans wrongly indicate name "Constante").
The enemy crew surrendered shortly after midnight without resistance despite weapons onboard (3 machineguns, a single 75mm gun but without ammunition, light weapons). 1 German and 13 Croats captured. Another German attempted to escape inland and assumed dead. Partisans had news that other two Germans previously left the grounded ship, and fearing the risk of arrival of enemy units, the patrol boats destroyed the tug with three guns hits aimed at the engine room. Before the scuttling, Partisans seized all the weapons and ammunition onboard in addition to all material that could be recovered (including ropes, supplies and even the kitchen tools).


2 February 1944
Small patrol boat PC-66 Proletar captured by the enemy. Commonly reported as lost alongside NB-10 Sloga, actually captured on a separate incident. Her loss received little attention also in Partisan documents, likely to her small size. Details of the incidents are unclear, but there was no report of sailors captured, meaning the boat was likely seized when abandoned by crew.


8 February 1944.
During the night, German assault landing boats I-72, I-73 and I-106 ambushed and captured the gunboat NB-10 Sloga later sunk by Germans. Partisans sources found some details of the loss of Sloga: apparently she accepted the fight with one enemy boat, suffering 2 KIA in the process, before being surrounded by the other two boats and forced to surrender with the rest of the crew captured.


20 February 1944
Gunboat NB-9 Biokovac accidentally rammed and sunk by an Allied British destroyer. The whole crew saved.



28 February 1944
Few hours after midnight, patrol boats PC-2 Makola and PC-3 Skampo attacked and captured the transport boats Maria Jose (70tons) and Haraelis (15tons) full with troops on leave. The action involved a prolonged chasing with firefight by PC-3, with damage inflicted on both the enemy units until PC-2 placed herself between the boats and the coast, preventing an escape and forcing the surrender. Both crafts suffered fires and extensive damages, sinking quickly with still Germans onboard. The enemy suffered heavy casualties: 18 KIA and 89 POW (including 1 officer but excluding 1 woman), of them 13 seriously and 20 lightly wounded.
German sources usually indicate a slightly different toll (12 KIA, 95 POW, including 24 wounded), but the Partisan record appears to be the correct one.
The loot captured included small arms and some personal supplies of the soldiers including tobacco, liquor and coffee. Partisans suffered no damages or casualties.
There is some discrepancy also on the name of ships, with at least one source indicating “Maria Rose” and “Zara-1”. By sheer number of enemy casualties, it was one of the most effective attacks committed by the Partisan Navy.
Image

Photos of PC-2 and PC-3: they scored together an important double victory.

On the same day,
Patrol boat PC-22 Streljko captured the transport boat Giuseppe Cesira (291 tons). Named “Giuseppe Cesario”, in other source, likely by mistake. Interestingly, the patrol boat was on a mission to transfer three American telegraphists who were onboard during the action who actively took part at the capture: partisans and Americans attacked from shore. 7 Italians and 8 Germans POW (Italians were actually not considered as prisoners), Cargo: food, gasoline, straw, barbed wire, weapons and ammunition (the food, mostly 170tons of flour, was actually immediately given to local civilians). The boat remained stuck on rocks and then set afire to prevent recapture.


29 February 1944
Gunboat NB-8 Kornat was damaged by Allied friendly-fire from British gunboats. 3 Partisans and 1 American captain onboard Kornat wounded during the incident, while the gunboat suffered a leak and damage to the machines.


9 March 1944
British motor torpedo boat MTB-649 accidentally sunk the small patrol boat PC-59 Lapad in a friendly-fire accident.


16 March 1944
In the Italian Gallipoli harbor, the royalist Yugoslavian merchant Senga (5140 GRT) officially declare loyalty to the communist partisan movement (NOVJ). Local British forces accepted this transfer without opposition the next day. The Partisan leadership ordered the ship to keep maintaining the same service routes for the Allies, albeit with the partisan movement’s flag. Another ship, the Timok, made the same choice on 19 May in Bizerte harbor.


17 March 1944
During the night, German motor torpedo boats S-36 and S-61 sunk with gunfire the gunboat NB-2 Koca.
The Gunboat at first mistook the motor torpedo boats for friendly units and alerted them with flare signals.
Both the 20mm and the single 40mm gun onboard suffered hits and were disabled in the early stage of the attack, rendering the ship almost defenseless. Koca suffered an extensive fire onboard but the Partisans managed to evacuate the ship with only 4 sailors wounded (1 later died of wounds) while the German left.



18 March 1944
Gunboats NB-1 Krava and NB-6 Napredak with the patrol boats PC-2 Macola and PC-4 Junak ambushed and captured the German assault boat KJ-10 (Sturmboot-42 type). 16 POW, loot included the soldiers’ personal weapons and individual equipment (including gas masks) and two bags of post. The German craft took refuge into the Bay of Molat Island attempting to fix an engine problem was surrounded with a coordinated action by the partisan crafts and attempted no resistance.
Image

Photo of the captured KJ-10: she will be re-named PC-75.


20 March 1944
Gunboats NB-1 Krava (3 WIA, but one of them later deceased) and NB-6 Napredak sunk during two subsequent raids.


23 March 1944
Small patrol boats PC-5 and PC-70 Mandina sunk by air attack. During the attack PC-21 and PC-22 opened fire against the planes after bombs missed because of excessive attack height.
Loss of PC-5 not clearly listed in original partisan documents because she was a very small boat armed only with machineguns (differently from other early PC boats, she received no name).


3 April 1944
Partisan boat attacked two sailing boats near Silba Island. Unclear episode but apparently it was simply partisans from a local garrison shooting with rifles from a small boat.


6 April 1944
Patrol boats PC-21 Miran and PC-22 Streljko attacked and captured the transport boat San Antonio (40 tons). 4 Italian and 2 German POW, crew surrendered after two warning shots. Cargo: 30 tons of rye, 4 tons of fodder, ammunition. Ship later become Val, in partisan service (Yugoslavian source indicate 70tons of weight).


7 April 1944
Patrol boats PC-21 Miran and PC-22 Streljko attacked the motor sailing boats A-91 and A-302 but caused no damage. Enemy boats returned fire, but the engagement ended because of the proximity of the enemy shore garrison. Partisans suffered no losses or damage.


12 April 1944.
According some sources, the captured boat KJ-10 was going to be commissioned as small patrol boat PC-75 when she was reportedly sunk by friendly fire from Allied aircraft.
This information is completely wrong; partisan documents officially indicate the loss in September. Moreover, the boat at the time was not named “PC-75-I” (used only in literature after her loss) or “Annie” (the name given to the replacement boat after the original PC-75’s loss in September).



21 April 1944
Gunboat NB-7 Enare-II accidentally collided with NB-8 Kornat and heavily damaged. The unit self-sunk to prevent the capture by enemy. The loss occurred during the successful partisan landing operations in Mljet and Korcula Island. During the operation, partisan boats claimed an enemy plane shot down by defensive fire, but it’s unconfirmed.
Image

Photo of NB-7.


22 April 1944
Patrol boats PC-21 Miran and PC-22 Streljko attacked and captured the transport boats Giuliana (44tons) and Emilia (50tons)(cargo: 50tons of coal, gunpowder, motor oil). The enemy suffered during the action 2 German soldiers KIA while 4 German soldiers and 8 Italian sailors POW. Giuliana become “Ilirija” in Partisan service, while Emilia become “Velebit” but she sank by accidental explosion on 7 November 1944.
Image

Photos of PC-21 and PC-22: they had already captured together an armed boat during the night between 6 and 7 April.


27 April 1944
The crew of the patrol boats PC-3 Skampo and PC-4 Junak attacked from the shore and forced to surrender the German anti-partisan ship Anton (a former Italian anti-partisan armed ship “Bianca Stella”), enemy suffered 4 KIA and 15 POW (11 of them wounded). Only one partisan, not part of the boats but of the local garrison, suffered light wound. She will be turned into the larger Partisan gunboat: NB-11 Crvena zvijezda (24 meters of length and 180 tons of size, weapons included also 1 gun of 88mm in addition to 37mm and 20mm).
Image

Photo of NB-11 in Partisan Navy.


11 May 1944
Shortly after the midnight, German motor torpedo boats S-30, S-36 and S-61 sunk with gunfire the hospital ship Marin II (250 tons): 59 wounded people died, including a German officer POW.
Partisan boats NB-3, NB-8 and PC-57 did not found the enemy and searched for survivors (four, including the commander). Survivors described how Germans strafed people on sea.

On the same day,
Gunboat NB-4 Topcider was damaged by friendly fire Allied air attack. The boat later converted in hospital-boat as BB-4 Topcider, having up 24 beds for wounded.
Image

Photo of NB-4.


31 May 1944
Small patrol boat PC-76 "MC-22" destroyed in harbor by enemy assault forces: the boat entered Oilib harbor, unaware that enemy seized it. Enemy forces was the Croatian-manned but German-led “Legionnaire” 392nd Infantry Division and opened intense ground fire against the boat. 3 sailors were killed, while commander took his own life. Another partisan report indicate the boat as directly sunk by the enemy fire rather than being heavily damaged and seized, given the small size there is no clear German report of her recovery.


31 May – 1 June 1944
After the success scored sinking the hospital ship Marin-II, German motor torpedo boats S-153, S-155, S-156 and S-158 engaged in another raid. They ambushed a convoy sinking the three partisan transport boats Palma, Sokol and Sloga, and two other smaller boats. German sources claimed one or two additional victories (not confirmed) including a “small tanker”. A high number of prisoners because the boats were full of passengers: 159 Partisans, Italians and British advisors, 1 American pilot, 37 women and 5 children.


1 June 1944
Germans achieved a repetition of the previous success: motor torpedo boats S-153, S-155, S-156 and S-158 ambushed a second convoy. Partisan transport boat Mali Ante (20tons) and two other smaller boats sunk, once again a high number of prisoners: 77 partisans, 2 British advisors, 50 women and 24 children.


1-2 June 1944
Battle of Blitvenice
During the night, the German motor torpedo boats S-153, S-155, S-156 and S-157 were once again on raiding mission but encountered the partisan gunboat NB-8 Kornat.
S-156 moved to the side of the gunboat, pretending to be an Allied boat to trick the partisans, but as soon as a German sailor boarded the gunboat, he was recognized and knocked out. A close-quarter gunfight erupted; involving the gunboat and S-155 and S-156 (the other pair was not directly involved). Both the German motor torpedo boats were damaged: S-155 suffered a number of hits while S-156 had two different fires. NB-8 Kornat suffered minor damage but achieved a good success because repelled the German attacking group, preventing further losses.
During the fight Partisans suffered 9 wounded, Germans suffered 11 wounded and 1 captured (the sailor that boarded the gunboat). Partisan command praised the wounded sailors that helped the comrades by carrying ammunition or reloading weapons despite their wounds.
Partisans wrongly claimed to have damaged all four the enemy boats, however Germans clearly stated that only S-155 and S-156 were damaged in action: on their part Germans reported to have encountered a proper metal gunboat (while NB-8 clearly was not, being a former fishing boat converted, like most of partisan units).
Image

Photo of NB-8


2 June 1944
A partisan report indicate the capture of two Germans on a small boat with some ammunition. There is no direct claim or report of activities by main Partisan boats; likely because of the minor importance of the incident.


3 June 1944
NB-3 Jadran claimed an enemy aircraft shot (described as a Messerschmitt) down close Brac. It is a still an unconfirmed claim: if confirmed it was the only partisan naval anti-aircraft success.


12 June 1944
21 Croat crewmembers (including an officer) of the “Ustasha” old torpedo boat T-7 defected to partisans and discussed plans to organize the defection and seizure of the warship.However, Germans realized the danger and replaced the crew of the torpedo boat to prevent this defection, arresting 60 crewmembers. Twelve days later the British motor torpedo boat MTB-670 and motor gunboats MGB-659 and MGB-662 attacked and destroyed her.


22 June 1944
Partisan launch B-4 (10tons) accidentally sunk by Allied friendly fire from gunboats. 3 killed. Recovered and towed to Vis for repairs on 2 July 1944

On the same day,
There is a Partisan report of a brief clash between unidentified boats on minesweeping task (or more properly searching for enemy mines and relocating them) with a reportedly Chetnik-manned boat. The brief contact was inconclusive with the hostile boat escaping under Partisan fire, after refusing to surrender.


11 July 1944
Germans landed troops on Pasman Island where Partisans kept no forces. Still patrol boats had a bit contacts with the landing force, and later Allies planes hit and destroyed one landing boat.
PC-22 Streljko inspected the sunk craft that also received self-inflicted damage by the retreating Germans before leaving the Island. PC-3 Skampo and PC-4 Junak also took part at the patrol without meeting the enemy.


28 July 1944
Gunboat NB-8 Kornat was accidentally grounded and the crew set her afire to prevent enemy capture.


29 July 1944
Patrol boats PC-2 Macola, PC-4 Junak and the small one PC-71 Sv.Friz captured the armed transport ship Felice with support of ground forces. The operation involved gunfire, and while all credited to victory, it was PC-4 and PC-71 that properly boarded the craft that received heavy damage during the attack. Cargo: 54 tons of food, enemy suffered 6 KIA and 23 POW (including 7 wounded) both German and Ustasha. Partisans suffered 1 WIA. Macola needed some repairs at the engine because due excessive recoil, despite damage the captured ship brought to Vis Island.
Partisans attempted to repair the captured ship, but her condition was too bad and they saved only the engine and weapons in September.


5-6 August 1944
During the night, patrol boat PC-22 Streljko faced in battle the two German minesweeping boats R-15 and R-16: there was a gunfire battle that caused no damage on both sides (even if Germans claimed to have scored hits on the partisan boat). It was effectively a rare gunnery fight between Partisans and properly rated Germans warships, but differently from the Battle of Blitvenice it caused no harm. Germans also claimed to have sunk a boat and seized a second vessel, but no actual Partisan loss and they probably attacked some civilian fishing boats.
Image

Photo of R-16


22 August 1944
Small Ustasha patrol boat PT-79 (just 8 tons and 1 machine gun) defected to partisans. She became PC-79, in partisan service.


27 August 1944
While supporting Allied landing operation, transporting artillery guns and ammunition, the Partisan landing ship MS-1 was damaged with 1 WIA and MS-2 suffered slight damages.
It was the first significant operation for the newly arrived landing ships with hostile contact, nevertheless useful to support the Allies.
Image

Photo of an Allied LCT(2) type landing craft: these vessels proved extremely precious to Partisan landing and transport operations for the Adriatic Islands liberation.


29 August 1944
Small patrol boat PC-47 Sv.Nikola-I sunk by enemy ground mortar fire. She suffered casualties (political commissar killed, 3 wounded, one of them seriously. Small boat PC-45 Batos suffered damage. There is confusion on these losses because an early Partisan assessment of the clash switched the identity of lost and survived boat, but later this changed in every subsequent list and document. Partisan motor boat Zmaj attempted two days later to recover the boat but she repelled by artillery fire. Loss of PC-46 Sv. Juray, as indicated by some sources it’s wrong, not involved during the action.


1 September 1944
German I-boats assault crafts J-74 and J-102 intercepted and captured a small partisan boat carrying mail, 2 Partisans captured. Boat not officially listed among the Partisan Naval units and losses, likely due her insignificant size. Could also have been a local civilian boat used by agents.


2 September 1944
Four German motor torpedo boats, including S-155 claimed the sinking of one motorboat and one schooner (two according an Italian source). There is no data of Partisan losses: could be civilian fishing boat or simply an over-claim on unidentified targets. Similarly, S-154 claimed another sinking two days later, without confirmation by partisan documents.


5 September 1944
Patrol boat PC-53 Zora reported to have fought a gunfire battle against an enemy unit. PC-53 just disembarked a party of three men on the shore, including an American, and they helped during the fight with their own weapons firing to the enemy. Interestingly, on the night between 4/5 September, British gunboat MGB-637, MGB-634 and MGB-674 claim destruction of a small convoy of German PiLB crafts (four targets claimed sunk, none confirmed by German data). The location of the episodes match (between Sumartin and Makarsca) and possibly they engaged the same crafts.


11 September 1944
During the successful landing operations in Pag Island, Partisan patrol boat PC-21 Miran briefly strafed by a British aircraft in a friendly-fire incident, taking no damage but 1 crewmember WIA.
Disembarked troops killed 1 officer and 9 Ustasha soldiers, taking other 15 as POWs, that surrendered and suffering no casualties in return (the wounded sailor on PC-21 was the only casualty).
A single motorboat of 6 meters was captured, PC-2 Macola, PC-6 Sumar and PC-21 Miran were the first boats to enter Novalja where the motorboat was found (PC-24 remained on patrol). She was not recorded by Yugoslavian sources as a victory, likely because the boats entered the harbor after the partisans took the village, so the actual credit went to the ground forces.


12 September 1944
Partisan patrol boat PC-75 (ex-German KJ-10) suffered a friendly-fire attack by six Hurricane planes and sunk. The boat quickly docked to evacuate quickly and avoid human losses: all 6 crewmembers and 8 passengers survived even if three suffered light wounds. The boat sunk after a direct bomb hit and was lost alongside its light weapons, ammunition and some clothing.
To compensate the loss, Partisan turned the motorboat “Annie” into a new PC-75, this change cause some confusion even among Yugoslavian sources, but the first boat (ex-KJ-10) later named “PC-75-I” was never assigned the name “Annie”, contrary to the subsequent PC-75-II Annie


14 - 15 September 1944
During the night, the German motor torpedo boats S-152, S-154 and S-158 captured the small patrol boat PC- 73 Pionir, that was later sunk. 2 crewmembers and 8 passengers were captured, but one crewmember escaped by jumping into the sea and was rescued later, providing details of the attack.


20 September 1944
Two separate incidents resulted first in the capture of a sailing boat from Partisan troops on the shore (3 Germans and 1 Ustasha POWs, a number of civilians liberated). On the same day, patrol boats PC-23 Sloga and PC-24 Marjan went on a mission to land a party of 12 partisans on Zmajan Island with the mission to capture a squad of German soldiers that landed there: they killed 1 enemy and captured the other 11. During the mission, the partisans also captured the motorboat used by the Germans but its capture not assigned as a success of the patrol boats.



22 September 1944
Patrol boats PC-2 Macola and PC-6 Sumar attacked the German hospital ship Bonn, without causing damage.
Image

Photo of PC-6


27 September 1944
Three German assault crafts captured the small patrol boat PC-62 Ivo that grounded. Partisans record the loss as occurred during the night between 27 and 28 September. One crewmember died during the clash, but other 3 saved themselves and avoided capture, before NB-12 rescued them.


9 October 1944
Gunboat NB-13 Partizan and patrol boat PC-2 Macola sunk with gunfire the German auxiliary armed boat Angelina. During the fight, Partisans suffered 2 wounded by enemy fire on the Partizan (including the commander), but the ship suffered no actual damage. The enemy suffered 3 KIA (2 Germans and 1 Italian sailor) and 9 POWs (4 Germans including a colonel and 5 Italian sailors).
Partisans also managed to unload five boxes of ammunition from the burning boat before her sinking. Cargo of food and animal fodder lost during the sinking. Later the two partisan units attacked and captured another transport boat, the Adriana (90tons)(Cargo: cement), without resistance. 6 Germans POWs.
According the German evaluation, not less than "seven" gunboats attacked the targets. Interestingly, it appears it was the most significant action when Germans returned fire and partisans actively engaged and sunk an enemy target rather than performing the classing “boarding&seizure” attack. Adriana become “Jadranka” in Partisan service.
Image

Photo of NB-13: she took part at this fierce battle.

On the same day, German motor torpedo boat S-158 claimed the seizure and sinking of a small motor-sailing boat. There is no partisan report of losses, and it was possibly a civilian fishing boat.


11 October 1944
German forces made a series of attacks against partisan shore installations at Molat and Zapuntel but despite claims, they caused no human losses or significant damage. Interestingly German motor torpedo boats launched torpedoes and one of them inflicted damage to Molat’s pier (claim of destruction of two boats denied by Partisans), while another was recovered unexploded. Partisan batteries opened fire and while not claiming damage, Germans actually suffered 40mm hits on S-628 that was towed by other units.


16 October 1944
Partisan patrol boat PC-21 Miran captured the stranded tugboat Lisca Blanca and dragged it away in Pasman channel before enemy could recover it. Partisans did not gave victory to “Miran” but to coastal artillery that opened fire on the small convoy and forced the boat to run aground.


21 October 1944
Gunboat NB-13 Partizan accidentally sunk by Allied British friendly-fire air raid. The gunboat moored at Olib Island at the time of the attack: two crewmember wounded. She had cargo (20tons of military clothing) that was lost. Most of sources wrongly indicate 20 November.


23 October 1944
Battle of Maun Island
The biggest naval engagement of the War and only meeting between partisan units with enemy major warships.
The gunboat NB-14 Pionir and the patrol boats PC-2 Macola, PC-4 Junak and PC-24 Marjan fought a short battle against the German antisubmarine ships UJ-202 and UJ-208, (both were ex-Italian corvettes).
All the Partisan units suffered light damages but there were only 4 wounded on Pionir. Partisan crewmembers praised for the correct battle behavior, but there were multiple failures on different guns.
PC-4 Junak launched two smoke bombs to make a screen allowing the group to retreat against the superior enemy.
Later, during the day, the two German units briefly engaged against British motor torpedo boats and suffered few human losses (3 killed, 11 wounded) and shelled a German small convoy of MFP armed barges exchanging them for other enemies, sinking the F-433 in a friendly-fire attack and damaging others.
Both the German ships would be later sunk during another battle against Allied warships.
Image

Photo of Italian corvette Spingarda, later UJ-208. Partisan ships had no hope to fight against this kind of larger warships.
Image

Photo of NB-14


14-15 December 1944
During the night, the small Ustasha patrol boat “Küsten-Schnellboote” KS-5, with Croat crew, defected and joined the Partisans. Other boats attempted to defect and join the partisans but they were prevented by Germans. On KS-5 there was also the flotilla commander.


17 December 1944
Partisan transport boat Lahor met a German assault explosive craft (of Linse-type) and captured her.
A German sailor shot, there are poor details but it appears that he was shot by partisans because attempting to detonate the craft or was shot by a German because refused to follow orders. There are no clear Partisan documents regarding this incident, neither detailed German reports (but this is common for all the “Linse” special crafts operations).


28 December 1944
Patrol boat PC-24 Marjan sunk into the Sv.Petar harbor a German motorboat. According own German forces, they were going to withdraw their forces and reported direct Partisan naval 20mm and 40mm gunfire with one own German boat “exploded” and a second motorboat suffering heavy damages. 2 German soldiers seriously wounded.
Soviet cogitations: 319
Defected to the U.S.S.R.: 20 Feb 2010, 11:57
Resident Admiral
Post 11 Feb 2011, 11:12
1945


12 February 1945
Four German explosive crafts of “Linse” type attempted to attack Split harbor. British boats supported by Partisan coastal defensive fire destroyed three crafts before they could reach targets. There is no reported defensive fire from Partisan boats, but local shipping was the likely intended target of the “Linse”. Three days later, other three crafts observed sailing away from the area, likely after the failure of the first assault.
Image

Linse-type explosive craft. These poorly known crafts were among the many densperate “secret weapons” designed by Nazi Germany on the verge of defeat: a very simple design, proved to be quite uneffective and with high casualty rate.


15 February 1945.
According some sources, the small patrol boat PC-55 Partizan-II reportedly sunk by accidental explosion of ammunition, but she probably just damaged. Partisan documents indicate no loss or damage.


24 February 1945.
According some sources, the small patrol boat PC-27-II Andjeljko reportedly sunk by accidental explosion of ammunition with 1 killed, but it's unconfirmed by other sources. Partisan documents indicate no loss or damage, still its’ possible that some kind of explosion (related to the casualty) occurred in or close the boat.



1 March 1945
The Navy of the People’s Liberation Army off the Yugoslavia officially renamed as the Yugoslavian Navy. Six days later, the exiled Yugoslavian King dissolved his government and officially disbanded his armed forces (including the Navy): it begins an operation to separate strict loyal royalists from personal willing to join the new armed


1 April 1945
Gunboat NB-11 Crvena zvijezda sunk by mine. 17 died and 11 wounded of 29 crewmembers according official Yugoslavian documents (other source raise the death toll to 22 sailors killed).
She was the largest and most armed NB gunboat of the Partisan fleet. Former anti-partisan ship “Anton” and one of the biggest prizes captured by partisans: she turned the largest and most armed ship in the flotilla (including 88mm gun), but while good for propaganda purposes, her size was not likely a good factor compared to the faster and smaller boats. NB-11 Crvena zvijedza was the only partisan warship lost due mine, likely because of her larger hull.
Image

Photo of Marshal Tito visiting the gunboat.
Image

Photo of the 88mm gun: a unique weapon among partisan boats.


5 April 1945
Yugoslavian hospital boat BB-4 Topcider and patrol boat PC-24 Marjan reportedly clashed with a German “motor torpedo boat” leaving Pag Island. Yugoslavians suffered 1 sailor killed and claimed to have inflicted 11 casualties to the enemy. Germans indicate presence of Sturmboot-42 type, in particular KJ-5 remained close the Island until no more evacuation was possible.


10 April 1945
The ex-Royalist corvette Nada reached Komiza (Vis Island) from Italy and on the same night departed to escort eight LCT to Sibenik. The ship wasn’t formerly part of the exiled Navy (King disbanded it), but neither integrated in the new Yugoslavian Fleet even if it appear she was de-facto under the new government control and committed to this single escorting mission without encountering the enemy.
Image

The largest royalist warship, ex-HMS Mallow. Made only escort duties in Mediterranean without contact with enemy. While she's commonly described as joining the new Yugoslavian Navy in August, partisan documents clearly describe a single mission supporting the Adriatic liberation in April.


17/18 April 1945
The only effective naval clash involving ex-Royalist units. British motor torpedo boat MTB-409 attacked a convoy of 3 German MFP landing crafts and 5 barges off Umago claiming one MFP by torpedo (unconfirmed). A second round of clash on the same convoy involved the “Higgins-type” Yugoslavian motor gunboats PT-207 and PT-217 (sometimes named after the British Hull-number but also known by the American hull-numbers). PT-217 suffered damage with 1 KIA and no confirmed effect on the enemy. While de-facto under control of nominally Royalists, the Exiled Royalist Navy was disbanded at the time off the clash, and this single action was the most significant attempt to contribute to the final Liberation.
According one source, auxiliary ship Beli Orao stationed with four of the eight “Higgins” type boats in Ancona already in March with the order to collaborate and strictly royalist crewmembers already left the ships. The other four “Higgins” reportedly joined the group in April to collaborate in the liberation of Rab and Krk Islands.
Image

Beli Orao was supposed to act as a depot and auxiliary ship for the "Higgins", but the action on April proved to be the only confirmed skirmish. Ship later joined the Yugoslavian Navy in August as Biokovo (renamed Jadranka in 1949).


28 April 1945
There is a brief Yugoslavian report about hostile enemy naval gunfire against a convoy sailing on Jablanac – Mosceniga route. Its unclear composition of convoy, but no damage suffered.


1 May 1945
While this text doesn’t include victories scored by Yugoslavian with ground artillery against naval target, this is reported because its importance against military targets. Mortar fire sunk in Trieste harbor the German motor torpedo boat S-157 and landing craft MFP F-971: effectively the most important properly-rated German warships lost by Yugoslavian ground artillery action.

On that day, German forces scuttled a number of warships in Trieste to prevent capture.
Two German MFP landing crafts seized in Trieste by Yugoslavian ground forces: F-1168, F-1169 and two Italian MZ-713, MZ-717 (identical to MFP)
All four vessels, plus a fifth one delivered as war repairs by Italy, become the core of Yugoslavian post-war amphibious force and the basis for the Yugoslavian designed and built DTM class (active until the downfall of Yugoslavian socialist republic!).


3 May 1945
During the liberation of Pula, Yugoslavian forces captured the Italian fascist (RSI) midget-submarine CB-20.
The small vessel was immediately renamed P-901 Malisan, however there was little to no time to actually prepare the small vessel for combat, she eventually joined the post-war Yugoslavian Navy in 1948 after overhaul. Effectively the fell into the hands of the Yugoslavian Navy during the war but could not saw service.
She proved important for post-war training and development of midget submarines.
Image

Submarine preserved in Croat museum. In 2010 the hull number has been changed into "CB-20", a rightfully questioned choice because the midget-submarine historical value was indeed her early cold war service as training for naval special operations. Moreover, even if it was just for few days and never obtained an operative status, PC-201 Malisan was the solely ever “partisan submarine”!

On the same day, the Yugoslavian Navy suffered one last sad loss with the death of gunboat NB-14’s commander: he died alongside two other sailors inspecting naval mines off Krnica on a small boat.


5 May 1945
Yugoslavian gunboats NB-3 Jadran, NB-14 Pionir, and patrol boat PC-4 Junak shelled trapped enemy forces at Cape Muzil near Pola. Hours later, gunboat NB-14 Pionir engaged an unidentified enemy boat that was attempting to embark enemy forces on the shore and chased it toward the Brijuni islands. Details of the identity of targets are missing because of the end of the war, as well as possible damage or casualties inflicted.

On the same day, patrol boat PC-8 Udarnik was the first unit to enter into the Trieste's harbor.
Image

PC-8 was a former German assault I-boat, given by Allied.


6 May 1945
One day after the official ending of naval hostilities in Adriatic, the Yugoslavian patrol boat PC-1 Jadran seized on sea the motor boat Remo (cargo: flour and other material) that was attempting to flee to the British. Possibly Italian fascists or collaborationists operated her. Most of sources doesn’t indicate this victory, but this was an effective seizure of an hostile escaping vessel: ship and cargo was indeed considered as prize and seized.
Loz
[+-]
User avatar
Soviet cogitations: 11879
Defected to the U.S.S.R.: 06 Dec 2009, 23:17
Philosophized
Post 29 May 2011, 02:48
Excellent,thank you!
I'm surprised with how active our Partisan Navy was during the WW2.

Do you by any chance have info on the combat record of the Yugoslav RAF squadron?
http://en.wikipedia.org/wiki/No._352_Squadron_RAF
Soviet cogitations: 319
Defected to the U.S.S.R.: 20 Feb 2010, 11:57
Resident Admiral
Post 30 May 2011, 13:03
EDIT: it was basically copy-posted data from another source (will link it, if needed).
Loz
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User avatar
Soviet cogitations: 11879
Defected to the U.S.S.R.: 06 Dec 2009, 23:17
Philosophized
Post 30 May 2011, 13:18
Thank you very much.
Do you maybe have some info on naval activity in the Adriatic/Ionian sea during the First World War?
Soviet cogitations: 319
Defected to the U.S.S.R.: 20 Feb 2010, 11:57
Resident Admiral
Post 31 May 2011, 11:28
Page for Adriatic naval war in WWI: viewtopic.php?f=149&t=51079
Loz
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User avatar
Soviet cogitations: 11879
Defected to the U.S.S.R.: 06 Dec 2009, 23:17
Philosophized
Post 02 Jun 2011, 13:59
Thanks for your reply.
It'd be excellent if you could just list the most important successes and defeats in the Adriatic during the WW1.
Soviet cogitations: 5
Defected to the U.S.S.R.: 25 Nov 2011, 17:58
New Comrade (Say hi & be nice to me!)
Post 25 Nov 2011, 18:00
Do you have any information on the Italian N.A.P or V.A.P anti partisan boats that operated 1942-43?

Thanks,
Dave G
The PT Dockyard
Soviet cogitations: 319
Defected to the U.S.S.R.: 20 Feb 2010, 11:57
Resident Admiral
Post 26 Nov 2011, 00:03
-- added the list from Yug. source-
Soviet cogitations: 319
Defected to the U.S.S.R.: 20 Feb 2010, 11:57
Resident Admiral
Post 12 Dec 2011, 16:25
ptdockyard wrote:
Do you have any information on the Italian N.A.P or V.A.P anti partisan boats that operated 1942-43?

Thanks,
Dave G
The PT Dockyard



Hi Again !! As requested here there is a little list of Partisan actions against Italians (including NAP and VAP)

1941
13.july- Montenegrin uprisers attacked 2 motor sailing boats(MSB) 12 italian soldiers were killed, 13 wounded
21.august- steam ship Niko Matkovic damaged near Split
6.october- SS Palermo set on fire and damaged
13.october- minelayer Vergada damaged with planted explosive
September-december minelayers Sokol and Kobac, destroyer Split, seaplane tender Zmaj and yachts of city`s commander and governor of Dalmatia damaged in sabotages.

1942
24.january- MSB Merkur captured in Gradac during attack on local Gendarmerie station
12.february- ship Skenderbeg captured and sunk at Skadar`s lake
4-5. may- 2 ships for channel cleaning sunk in Neretva delta, 2 partisans were captured and later shot
23.may- using fishing boat partisans captured MSB Mira near Makarska
1-2. july- near village Kudinovici(Peljesac peninsula) sailing boat was attacked, Italian officer killed, soldier wounded
8.july- in Postire partisans raided motor ship Marin II, 3 Ustasha organisers and Homeguard officer arrested
14.july-from the shore near Tiha vala(Brac island) was captured MSB that sailed on the line Milna- Supetar, from the ship was taken ammunition and weapons that belonged to gendarmerie station Milna, attackers were 2.platoon of Brac partisans
18. july- Primorska company captured and sunk motor boat that held line Sibenik –Skradin
20.july-SS Issa(ex Vis) captured and sunk in Zivogosce near Makarska
26.july-arrested civilians from Iz island attacked Italian guards on MSB Sofia, most if not all guards killed, ship was captured and civilians later joined partisans(Iz battalion of 2.Dalmatian brigade)
11.august- using small fishing boat partisans captured MSB Dux near cape Proizd (Korcula island)
13.august-MSB Mucenica attacked near cape Binusa, Murter channel
13.august- in Bol(Brac island) captured transport ship with wine
August- at Brac island were captured two boats, one with grain
September-tug boat attacked near Trogir, attackers were from Primorska company
20.september- Hvar partisans captured MSB Pravedan and 2 smaller boats(Oskorusica bay)
26.september-partisans of Primorska company attacked from the banks of river Krka motor ship with first company of battalion Vespri,1 soldier was killed, 9 wounded
19.october- Biokovo partisans attacked with small fishing boat 2 MSBs near Makarska
11.november- Biokovo partisans captured MSB Darko near Makarska
18.november-Biokovo partisans captured with small fishing boat one MSB and confiscated cargo
8.december-Biokovo partisans attacked minelayer near village Podgora
8.december-Biokovo partisans captured near village Zivogosce MSB with wood
22.december-near village Drvenik Biokovo partisans attacked 3 ships that carried Italian soldiers that belonged to Gradac garrison, 3 soldiers were wounded
24.december- Biokovo partisans captured MSB with washing soda
26.december- Biokovo partisans captured ship with coal
31.december-using two small fishing boats Biokovo partisans captured MSB Istok, Madre Giovanna, Otac Vladimir, Zdravlje and Sveti Ante

1943.
1.january-using small fishing boat Biokovo partisans captured MSB Evropa and attacked MSB Sveta Eufemija
4.january- using small fishing boat Biokovo partisans attacked MSB San Spiridone
6.january-Biokovo partisans attacked from the shore armed tug boat Poderoso
9.january-Biokovo partisans attacked from the shore armed tug boat Lilibeo
10. january-Biokovo partisans attacked from the shore MSB Airone
18.january-partisans attacked MB23 near Korcula island
22.january-using small fishing boat partisans captured and burned MSB Giuditta
27.january-partisans stoped and returned 6 boats with sand, Sv.Ana channel(Sibenik)
2.february-SS Ulbo was attacked from shore near Brbinje(Dugi otok), 1 soldier killed, 2 wounded
7.february-antipartisan ship NAP 2 attacked, killed commander of Metkovic port
17.february-M21 attacked near Marina, Trogir
20.february-Biokovo partisans damaged flying boat Cant Z 501 near Makarska
23.february-MSB Antoinetta B. Captured in Brac channel
25.february-SS Sipan attacked with artillery(AT gun I presume) near Makarska
28.february-Armed tug boat Poderoso attacked with artillery near Makarska
1.march-using artillery partisans captured MSB Vicenzo near Makarska
5.march- MSB Antonio C. Attacked near Rogoznica
15.march- SS Curzola attacked in Neretva chanell
22.march- with small fishing boat partisans captured and sunk MSBs Maria Luisa and Renato near Makarska
24.march-partisans captured near cape Kabal(Hvar Island) MSB Sv. Nikola
2.april- MS 25 attacked at Zrmanja mouth
14.april- using small fishing boat partisans attacked convoy in Neretva channel and captured motor ship Africano
30.april- antipartisan ship NAP 24 was attacked during patrol near Trogir
2.may-MSB Velika Gospa attacked with artillery near Drvenik
4.may- antipartisan ship NAP 19 was attacked during patrol near Hvar island
13.may- antipartisan ship NAP 9 was attacked during patrol near Hvar island
13-16.may-MB 9 attacked near Hvar island
26.may-2 crewmembers of ship Airone were taken prisoner in Dugi rat
27.may-using small fishing boat partisans attacked convoy on route Korcula-Split
7.june-flying boat attacked near Celice island, 4 wounded
12.june VAP 36 attacked in Velebit channel
13.june-armed fishing boat attacked near Trogir
19.june- from the shore near Makarska partisans attacked ship, one wounded was reported
27.june-6 partisans captured fishing boat, Korcula island
28.june- motor boat attacked with rifle fire,Neretva delta
28.june-antipartisan ship VAP 19 attacked from the coast
4.july-ND 185 attacked from the shore of Dugi otok
7.july-small minehunter Nassareno attacked in Velebit channel with rifle and MG fire
11.july-from the shores of Neretva river SS Arbo attacked, 8 soldiers WIA
12.july-in Zarace bay(Hvar island) VAP 17 attacked,1 soldier killed
21.july-with small fishing boat captured MSB, Veli Ante island
28.july-in Sv.Nikola bay(Murter island) were attacked 3 MSB, 2 captured
30.july-in Velebit channel partisans attacked VAP 22, 2 soldiers wounded
30.july- near Pasman island was attacked SS Solin
24.august-ship with Italians and Cetniks attacked in Sv.Ante channel, 11 KIA, 14 WIA
2.september- near Hvar attacked armed tug boat
During first week of september two ships sabotaged in Trogir

The ONLY naval Italian success against Yugoslavian ships at this time was that:
October 21, 1944 – April 12, 1945
"6 October 1943 torpedo boat Missori captured MSB that carried weapons from Krk to Losinj island "
But that's quite strange, because the same day the Missori is reported as "self-damaged by Italian crew" to evade capture by Germans. It was already part of the German navy as TA-22, but had still Italian crew, days before took part at a convoy and another ex-Italian unit (Pilo) saw an anti-German uprising and the escape to South Italy.
Soviet cogitations: 319
Defected to the U.S.S.R.: 20 Feb 2010, 11:57
Resident Admiral
Post 11 Jun 2014, 10:17
Made integration of data. Grammar correction, cleaning and addition of photos.
Soviet cogitations: 319
Defected to the U.S.S.R.: 20 Feb 2010, 11:57
Resident Admiral
Post 28 Jul 2015, 14:57
UPDATE: Re-added photo of "Pasman".
Soviet cogitations: 319
Defected to the U.S.S.R.: 20 Feb 2010, 11:57
Resident Admiral
Post 13 May 2016, 12:04
UPDATE:Added more photos and partisan losses due enemy surface action including transport boats.
Loz
[+-]
User avatar
Soviet cogitations: 11879
Defected to the U.S.S.R.: 06 Dec 2009, 23:17
Philosophized
Post 14 May 2016, 23:28
You should try to sell this to someone in Italy to make a book.
Soviet cogitations: 319
Defected to the U.S.S.R.: 20 Feb 2010, 11:57
Resident Admiral
Post 15 May 2016, 09:13
I do not care honestly xD My work is based on other works (so it should be unpolite) and it's primary focus is to spread knowledge of how communist forces fought on sea ^^
PS: I plan to make a "Greek Partisan Navy in WW-II" too, but there is terrible lack of data and sources.
Soviet cogitations: 319
Defected to the U.S.S.R.: 20 Feb 2010, 11:57
Resident Admiral
Post 30 Apr 2018, 09:29
UPDATE: integrated the events in 1942 and 1943 with use of fishing boats (and early patrol boats) by Partisans against Italians. Added a couple of Partisan losses in 1944 including one (1/May/1944) by R.S.I. (italian fascist republic) NAP-24 anti-partisan ship.
Soviet cogitations: 319
Defected to the U.S.S.R.: 20 Feb 2010, 11:57
Resident Admiral
Post 25 Nov 2018, 11:55
GENERAL UPDATES:
1) REWORKED INTRO
2) Properly identified a new victory: 17/18 December 1943 (shared with British MTB). Thanks cross-reference with the HMA German archive of landing crafts
3) Inserted naval secondary (but interesting) events: scuttling of "Sava" monitor on September 1944, seizures in May 1945.
4) Few extra minor info added for some events.


JULY 2019 EDIT:
1) Thanks an info from site Paluba.net a brief document (author Bojan Mirosavljev) indicate patrol boat "Pionir" as responsable for the successful seizure attacks on 31/Dec/42 and 1/Jan/43
Soviet cogitations: 319
Defected to the U.S.S.R.: 20 Feb 2010, 11:57
Resident Admiral
Post 23 Jan 2021, 13:51
MASSIVE UPDATES after the reading of the three pdf files “ZBORNIK
DOKUMENATA I PODATAKA O NARODNOOSLOBODILAČKOM RATU JUGOSLOVENSKIH NARODA (Volume VIII)”

1) EACH INDIVIDUAL CLASH or encoutner now enriched with details! Often including added tonnage of captured vessel, cargo, full list of casualties etc. (honestly i will not describe each change, but almost EVERY entry got some update on this).
2) Updated source list.
3) Added some Italian victories: 2 partisan small transport boats sunk on 6 January and later sinking of "Padre Felice" on 22 January, by minelayer Ugliano.
4) Seizure of Italian transport boat "Antonietta B. " by Partisans on fishing boat on 25/Feb/43
5) Seizure of partisan transport boat "Maria" by Italian armed vessel NAP-2 on 20/Mar/43
6) Surrender of the partisan boat "Mia Sant'Anna" on 20/Mar/43
7) Loss of partisan armed launch "Partizan" by Italian armed vessels NAP-24 and MB-9 on 1/May/43: the facto one of the few official armed boats of the Partisan Navy and one rare Italian success against these elusive enemies. (NOTE: some sources wrongly say 1944!)
8 ) Capture of enemy boat on 21/Jul/43 POSSIBLY related to loss of Ustasha tug "Rudnik"
9) Partisan transport boats "Lav" and "Makarska" related to the capture of a small Chetnik tanker on 27/Sept/43, possibly ex-Italian Emilia
10) Edited the claim of Italian torpedo boat Missori on 6/Oct/43, seems unlikely and no match.
11) PC-21 and PC-22 claim of damaged enemy boat on 11/Nov/43 also seems uncomfirmed.
12) Loss of Partisan transport boat "Jela" off Bari by mine laid from German submarine U-453
13) PC-3 claim of damaged steamer on 16/Dec/43 questioned
14) SF-193 apparently recovered by Partisans
15) Loss of PC-67 Kerc fully confirmed by Partisan documents, on 27/Dec/43 by air raid alongside other boats.
16) Loss of PC-60-II Vjekoslava fully confirmed by Partisan documents on 28/Dec/43 by air raid
17) Claim of capture of enemy boat by unidentified Partisan boats on 8/Jan/44 likely wrong and related to recovery of a small boat used by spies
18 ) Loss of transport "Marjia" by German S-36 and S-55 on 9/Jan/44 first confirmed transport boat lost by German surface raid: a similar ship reportedly lost in 1945 was likely a mistake. She was also relatively large (450 tons).
19) The claim of German assault boats on two Partisan transports on 16/Jan/44 fully confirmed: they sunk "Sretan-II" and "Dobaroctar" a similar claim three days later have no Partisan confirmed loss (maybe civilian fishing boats).
20) On 25/Jan/44, PC-1 and PC-3 destroyed tug "Costante" (not "Constante" as wrongly named in Partisan documents).
21) Loss of PC-66 Proletar was actually a separate incident from loss NB-10 Sloga: six days earlier.
22) On 28/Feb/43 PC-22 destroyed boat "Giuseppe Cesira" (not "Giuseppe Cesario" as reported sometimes), interestingly American telegraphists transported onboat the patrol boat took active part in the capture.
23) Loss of PC-59 Lapad definitely caused by friendly fire from MTB-649 on 6/March/44
24) Loss of "PC-5" a commonly "missed" patrol boat from many lists, occurred on 23/March/44, often ignored because differently from other low-number (PC-1 to PC-6) she was extremely small and armed with 1 machinegun
25) Loss of PC-75 Annie (Ex-KJ-10) on 12 April 1944 by allied friendly-fire air attack is completely wrong. Partisan documents fully confirm her loss in September.
26) On 31/May/44, the small PC-76 "MC-22" was most likely destroyed by the German ground forces fire, rather than being captured (or heavily damage but likely not recovered).
27) It was the defected Ustasha boat PT-79 on 22/Aug/44 that become partisan PC-79 (keeping same number), not a subsequent boat.
28 ) There is still some confusion for the losses on 29/Aug/44: original partisan documents at first indicate the loss of PC-45 Batos while PC-47 Sv.Nikola-I survived with damage, after enemy mortar fire. Later report switch the fate of the two boats (with PC-47 reported as lost): clearly there was a mistake in one of the two reports.
29) Loss of a (reportedly) partisan small boat with mail by two I-boats on 1/Sept/44 was possibly a small local craft used by some agents.
30) The seizure in harbor on 11/Sept/44 of a 6-meters motorboat by Partisan patrol boats not classified as a victory by the same partisan documents (likely because of her small size, no enemy onboard etc.)
31) Loss of PC-75 fully confirmed by partisans on 12/Sept/44
32) Loss of NB-13 Partizan occurred on 21/Oct/44, not 20 November.
33) Extra info of the clash occurred on 28/Dec/44 between PC-24 and motorboats in Sv.Peter harbor. According own German data actually one motorboat exploded and another suffered heavy damage. But there are no detailed accounts on the fight.
34) Added an interesting German assault with explosive crafts against Partisan-Allied controlled Split harbor on 12/Feb/45: the attack was a failure due heavy harbor defense.
35) Losses or damage to the small patrol boats PC-55 Partizan-II and PC-27-II Andjeljko respectively on 15/Feb/45 and 24/Feb/45 remain unconfirmed. No such data on Partisan documents.
36) A clash between BB-4 Topcider and patrol boat PC-24 Marjan versus German sturmboots type42 on 5/April/45, previously undescribed by many sources. 1 partisan killed, unclear effects on German side.
37) Contrary to many sources, describing all main ex-Royalist units joining the Navy only in August 1945, Partisan documents clearly describe corvette "Nada" performing a single escort mission in April 1945 escorting LCT from Vis Island to Sibenik.
38) One known episode with Yugoslavian-manned "Higgins" boats on 17/18 April 1945 against German MFP convoy: still manned by nominally royalists despite the exiled Navy being disbanded and on verge to be absorbed by the neew Yugoslavian Navy. Actual fight was unsucessful (1 KIA and damage to one boat).
39) A MFP (F-971) sunk in Trieste harbor by mortar fire from partisans on 1/May/45
40) The very last surface skirmish occurred on 5/May/45 close Pola. NB-14 chased an unidentified German boat attempting to evacuate trapped troops.
41) One final Yugoslavian Navy victory occurred on 6/Ma/45 when PC-1 Jadran intercepted and captured the motorboat Remo (cargo of flour) attemtping to escape Trieste to west. Usually not recorded as a victory because the end of the war, she was fully regarded as a prize by the local command.
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