Ships of the 21st
UJ-Flotille German
Part 2

WW II ASW Operations in the Mediterranean,

by Christoph Kluxen

The 21st UJ-Flotille: Part 1

Ed Note: Christoph Kluxen’s excellent article on the 21st UJ Flotilla included four pages of Annex A listings for the ships described in his piece, but there’ was no space for them in the last issue. Here are the ships: Note that vessels of Size Class E and below are using the new Mighty Midgets format, with their dp in decimals and their light weapons listed with arcs.

UJ 2101 (A) PCE
Displacement: 665
In Class: 1
Size Class: D
In Service: 1918
Propulsion: Steam Triple exp.
Crew: 56
Weapons: Armor Rtng: 0
F(1)1 10.5cm SKC/28 C
2 DC rails with 6 WBF or WBG DC D
4 K-guns with 4 WBF or WBG DC D
Light AA: 1 3.7 cm SKC/30, 4 2cm Flak 38 (1.0)
Sensors:
SH (Mob S) sonar H
Remarks:
Former British admiralty trawler George Fenwick, used by Greek Navy as minesweeper Strymon, sunk by the Luftwaffe, raised and repaired. About 60 DC carried. Due to slow speed do not use heavy DC. Merchant construction, special damage modifier of -50%.
1943: Light AA increased by 4 2cm Flak 38, Lt AA 2.0.
Damage and Speed breakdown:
Dam Pts: 0 4 81214 16
Surf Speed: 12 9 6 3 0Sinks

UJ 2102 (A) PCE
Displacement: 560
In Class: 1
Size Class: D
In Service:
Propulsion: Triple exp.
Crew: 50
Weapons: Armor Rtng: 0
P&S(1)1 M1897, 75mm/34.5 (French) C
2 DC rails with 7 WBF or WBG DC D
4 K-guns with 4 WBF or WBG DC D
Light AA: 1 3.7 cm SKC/30, 4 2cm Flak 38 (1.0)
Sensors:
SH (Mob S) sonar H
Remarks:
Former British yacht Portia, later Swedish Brigitta . Chartered from Sweden in 1941. About 50 DC carried. Due to slow speed do not use heavy DC. Special damage modifier of -25%.
Damage and Speed breakdown:
Dam Pts: 0 51016 19 21
Surf Speed: 14 11 7 4 0 Sinks

UJ 2103 (A) PCE
Displacement: 400
In Class: 1
Size Class: D
In Service: 1925
Propulsion: Triple exp.
Crew: 50
Weapons: Armor Rtng: 0
F(1)1 M1897, 75mm/34.5 (French) C
2 DC rails with 5 WBF or WBG DC D
4 K-guns with 4 WBF or WBG DC D
Light AA: 3 2cm Flak 38 (0.8)
Sensors: SH (Mob S) sonar H
Remarks:
Former Greek minelayer Paralos. About 50 DC carried. Due to slow speed do not use heavy DC.
Damage and Speed breakdown:
Dam Pts: 0 51015 18 20
Surf Speed: 13 10 7 3 0 Sinks

UJ 2104 (A) PCE
Displacement: 430
In Class: 1
Size Class: D
In Service: 19??
Propulsion: Triple exp.
Crew: 45
Weapons: Armor Rtng: 0
F(1)1 Ansaldo 1917 76mm/40 (Italian) C
2 DC rails with 8 WBF or WBG DC D
6 K-guns with 4 WBF or WBG DC D
Light AA: 2 2cm Flak 38 (0.5)
Sensors:
SH (Mob S) sonar H
Remarks:
Former Norwegian whale catcher Darvik. Special damage modifier of -25%. About 50 DC carried. Due to slow speed do not use heavy DC.
Damage and Speed breakdown:
Dam Pts: 0 4 81215 16
Surf Speed: 14 11 7 4 0 Sinks

UJ 2105 (A) PCE
Displacement: 510
In Class: 1
Size Class: D
In Service: 1895
Propulsion: Triple exp.
Crew: 50
Weapons: Armor Rtng: 0
A(1)1 8.8cm SKC/35 C
2 DC rails with 3 WBF or WBG DC D
4 K-guns with 4 WBF or WBG DC D
Light AA: 1 3.7 cm SKC/30, 6 2cm Flak 38 (1.5)
Sensors: SH (Mob S) sonar H
Remarks:
Former Greek tug Ertha, built as icebreaker Smeljy in Russia. About 50 DC carried. Due to slow speed do not use heavy DC. Merchant construction, special damage modifier of -50%.
Damage and Speed breakdown:
Dam Pts: 0 3 71012 13
Surf Speed: 12 9 6 3 0Sinks

UJ 2106 (A) PCE
Displacement: 450
In Class: 1
Size Class: D
In Service: 1906
Propulsion: Triple exp.
Crew: 45
Weapons: Armor Rtng: 0
F(1)1 M1897, 75mm/34.5 (French) C
2 DC rails with 6 WBF or WBG DC D
4 K-guns with 4 WBF or WBG DC D
Light AA: 3 2cm Flak 38 (0.8)
Sensors: SH (Mob S) sonar H
Remarks:
Former Greek minelayer Tenedos. About 50 DC carried. Due to slow speed do not use heavy DC.
Damage and Speed breakdown:
Dam Pts: 0 6111720 23
Surf Speed: 13 10 7 3 0 Sinks

UJ 2107 (A) PCE
Displacement: 590
In Class: 1
Size Class: D
In Service: 1895
Propulsion: Triple exp
Crew: 50
Weapons: Armor Rtng: 0
P&S(1)1 M1897, 75mm/34.5 (French) C
2 DC rails with 6 WBF or WBG DC D
4 K-guns with 4 WBF or WBG DC D
Light AA: 1 3.7 cm SKC/30, 4 2cm Flak 38 (1.0)
Sensors: SH (Mob S) sonar H
Remarks:
Former British yacht Catania, later Greek Milos. Special damage modifier of -25%. About 50 DC carried. Due to slow speed do not use heavy DC. Special damage modifier of -25%.
Damage and Speed breakdown:
Dam Pts: 0 5111619 22
Surf Speed: 13 10 7 3 0 Sinks

UJ 2108 (A) PCE
Displacement: 1,221
In Class: 1
Size Class: C
In Service: 1918
Propulsion: Triple exp.
Crew: 60
Weapons: Armor Rtng: 0
F/A(1)2 8.8cm SKC/35 C
2 DC rails with 5 WBF or WBG DC D
4 K-guns with 4 WBF or WBG DC D
Light AA: 1 3.7 cm SKC/30, 4 2cm Flak 38 (1.0)
Sensors: SH (Mob S) sonar H
Remarks:
Former Greek auxiliary Avra. About 60 DC carried. Due to slow speed do not use heavy DC. Special damage modifier of -25%.
Damage and Speed breakdown:
Dam Pts: 0 91928 34 37
Surf Speed: 12 9 6 3 0Sinks

UJ 2109 (A) PCE
Displacement: 710
In Class: 1
Size Class: D
In Service: 1918
Propulsion: Triple exp
Crew: 70
Weapons: Armor Rtng: 0
F(1)1 8.8cm SKC/35 C
2 DC rails with 5 WBF or WBG DC D
6 K-guns with 4 WBF or WBG DC D
Light AA: 1 40mm Bofors, 1 3.7 cm SKC/30,
4 2cm Flak 38 (1.2)
Sensors: SH (Mob S) sonar H
Remarks:
Former Royal Navy minesweeper HMS Widnes. Sunk by the Luftwaffe, raised and repaired. About 50 DC carried. Due to slow speed do not use heavy DC.
Damage and Speed breakdown:
Dam Pts: 0 81625 29 33
Surf Speed: 16 12 8 4 0 Sinks

UJ 2110 (A) PCE
Displacement: 380
In Class: 1
Size Class: D
In Service: 1916
Propulsion: Triple exp.
Crew: 40
Weapons: Armor Rtng: 0
F(1)1 M1897, 75mm/34.5 (French) C
2 DC rails with 6 WBF or WBG DC D
2 K-guns with 4 WBF or WBG DC D
Light AA: 3 2cm Flak 38 (0.8)
Sensors: SH (Mob S) sonar H
Remarks:
Former Greek minelayer Korgialenios. About 40 DC carried. Due to slow speed do not use heavy DC.
Damage and Speed breakdown:
Dam Pts: 0 51014 17 19
Surf Speed: 13 10 7 3 0 Sinks

UJ 2111 (A) PCE
Displacement: 350
In Class: 1
Size Class: E
In Service: 19??
Propulsion: Triple exp.
Crew: 35
Weapons: Armor Rtng: 0
F(1)1 Ansaldo 1917 76mm/40 (Italian) C
P/S(1)2 2cm Flak 38 C
2 DC rails with 4 WBF or WBG DC D
Light AA: 2 2cm Flak 38 (0.5)
Remarks:
Former Italian trawler. About 30 DC carried. Due to slow speed do not use heavy DC. Special damage modifier of -25%.
Damage and Speed breakdown:
Dam Pts: 0 3.3 6.6 9.8 11.8 13.1
Surf Speed: 13 10 7 3 0 Sinks

UJ 2124 (A) PCE
Displacement: 420
In Class: 1
Size Class: D
In Service: 19??
Propulsion: Triple exp.
Crew: 35
Weapons: Armor Rtng: 0
F(1)1 M1897, 75mm/34.5 (French) C
2 DC rails with 4 WBF or WBG DC D
Light AA: 2 2cm Flak 38 (0.5)
Remarks:
Former Greek trawler Elaki. About 30 DC carried. Due to slow speed do not use heavy DC. Special damage modifier of -25%.
Damage and Speed breakdown:
Dam Pts: 0 4 81214 16
Surf Speed: 13 10 7 3 0 Sinks

UJ 2127 (A) PCE
Displacement: 400
In Class: 1
Size Class: D
In Service: 19??
Propulsion: Triple exp.
Crew: 35
Weapons: Armor Rtng: 0
F(1)1 M1897, 75mm/34.5 (French) C
2 DC rails with 4 WBF or WBG DC D
Light AA: 2 2cm Flak 38 (0.5)
Remarks:
Former Greek trawler Theodoras. About 30 DC carried. Due to slow speed do not use heavy DC. Special damage modifier of -25%.
Damage and Speed breakdown:
Dam Pts: 0 4 81114 15
Surf Speed: 12 9 6 3 0Sinks

UJ 2141 - UJ 2144; GA 45 (A) PCE
Displacement: 190
In Class: 5
Size Class: E
In Service: 1942
Propulsion: Triple exp.
Crew: 22
Weapons: Armor Rtng: 0
P&S(1)1 8.8cm SKC/35 C
A(1)1 2cm Flak 38 C
2 DC rails with 6 WBF or WBG DC D
Light AA: 1 2cm Flak 38 (0.3)
Remarks:
Converted caiques. Former coast defense vessels GA 41-45. GA 45 kept its number, the others replaced the GA letters by UJ 21. Used as submarine traps (Q-ships), the 8.8 cm gun was hidden, (the DC too) but could be unmasked quickly. About 20 DC carried. Due to slow speed do not use heavy DC. Special damage modifier of -25%.
Damage and Speed breakdown:
Dam Pts: 0 1.8 3.6 5.3 6.4 7.1
Surf Speed: 12 9 6 3 0Sinks

UJ 2152 PC
Displacement: 112
In Class: ?
Size Class: E
In Service: 1942
Propulsion: Diesel
Crew: 22
Weapons: Armor Rtng: 0
F(1)1 3.7cm SKC/30 C
PW/SW/PA/SA(1)4 2cm Flak 38 C
2 DC rails with 4 WBF or WBG DC D
Light AA: 1 3.7 cm SKC/30, 4 2cm Flak 38 (1.0)
Sensors: SH (Mob S) sonar H
Remarks:
Motor fishing vessels converted to PC. 20 depth charges carried. Due to slow speed do not use heavy DC. Merchant construction, special damage modifier of -50%.
Damage and Speed breakdown:
Dam Pts: 0 0.7 1.4 2.1 2.5 2.8
Surf Speed: 10 8 5 3 0Sinks

UJ 2171, UJ 2172 (A) PCE
Displacement: 800
In Class: 2
Size Class: D
In Service: 1943
Propulsion: Triple exp.
Crew: 52
Weapons: Armor Rtng: 0
F(1)1 8.8 cm SKC/30 C
2 DC rails with 5 WBF or WBG DC D
4 K-guns with 4 WBF or WBG DC D
Area AA: 1 8.8 cm SKC/30 (0.3)
Light AA: 1 3.7 cm SKC/30, 4 2cm Flak 38 (1.0)
Sensors: SH (Mob S) sonar H
Remarks:
Converted trawlers KT4 ( Heidelberg) and KT29 ( Mannheim). About 40 DC carried. Due to slow speed do not use heavy DC. Merchant construction, special damage modifier of -50%.
Damage and Speed breakdown:
Dam Pts: 0 5 91416 18
Surf Speed: 15 11 8 4 0 Sinks

Bulgaria (A)ML
Displacement: 1108
In Class: 1
Size Class: D
In Service: 1894
Propulsion: Triple exp.
Crew: 84
Weapons: Armor: 0
2 Mine Rails w/120 mines total --
Remarks:
Converted steamer, assigned to 21. UJ-Flotille from May 1942. Special damage modifier of -25%.
8 Oct 43. Sunk.
Damage and Speed breakdown:
Dam Pts: 0 91726 31 34
Surf Speed: 12 9 6 3 0Sinks

Zeus (A) ML
Displacement: 2423
In Class: 1
Size Class: C
In Service: 1928
Propulsion: Diesel
Crew: 120
Weapons: Armor: 0
F/A(1)2 OTO 1926 12cm/45 C
Light AA: 4 3.7 cm SKC/30, 19 2cm Flak 38 (4.9)
Remarks:
240 mines carried. Former Italian passenger ship Francesco Morosini. Assigned to 21. UJ-Flotille from 18 Sep 43. Special damage modifier of -25%.
30 Oct 44. Sunk.
Damage and Speed breakdown:
Dam Pts: 0 1734 50 61 67
Surf Speed: 14 11 7 4 0 Sinks

Drache ML
Displacement: 2084
In Class: 1
Size Class: C
In Service: 1929
Propulsion: Diesel
Crew: 75
Weapons: Armor Rtng: 0
F(1)2 8.8 cm SKC/32 C
6 K-guns with 6 WBF or WBG DC D
Area AA: 2 8.8 cm SKC/32 (0.5)
Light AA: 1 3.7 cm SKC/30, 4 3.7 cm M42, 13 2cm Flak 38 (4.3)
Sensors: SH (Mob S) sonar H
Remarks:
120 mines carried. 72 DC carried. Former Yugoslavian Navy seaplane carrier Zmaj. Assigned to 21. UJ-Flotille from 20. August 1942. Auxiliary construction, special damage modifier of -25%.
Jan 1943: Helicopter deck added aft for one or two Flettner Fl 282 helicopters.
22 Sep 44: Sunk.
Damage and Speed breakdown:
Dam Pts: 0 1529 44 53 59
Surf Speed: 15 11 8 4 0 Sinks

ZG 3 Hermes DD
Displacement: 1414
In Class: 1
Size Class: C
In Service: 1939
Propulsion: Steam Turbine
Crew: 220
Weapons: Total Mounts:
F/A(1)4 12.7cm SKC/34 C
P&S(4)2 533mm TT w/4 G7a torpedoes E
4 K-guns w/4 WBF or WBG DC D
2 DC Rails w/6 WBF or WBG DC D
Light AA: 4 3.7 cm SKC/30, 4 2cm Flak 38 (1.1)
Sensors: SH (Mob S) sonar H
Remarks:
Former Greek Navy destroyer Vasilevs Georgios. Bombed 1941, repaired and German (21. March 1942). Very similar to British H-class destroyers. Screws fitted that did not match to the ship, therefore speed 32 kts. Scuttled off La Goulette 7. May 1943.
Damage and Speed breakdown:
Dam Pts: 0 1428 42 51 56
Surf Speed: 32 24 16 8 0 Sinks

AFP Type C LCG
Displacement: 290
In Class: 20+
Size Class: E
In Service: 1941
Propulsion: Diesel
Crew: 55
Weapons: Armor Rtng: 2/0
F/A(1)2 8.8 cm SKC/35 C
A(1)1 3.7cm SKC/30 C
PW/SW/PA/SA(1)8 2cm Flak 38 C
Light AA: 1 3.7 cm SKC/30, 8 2cm Flak 38 (2.0)
Remarks:
Converted landing craft. Not very seaworthy. 8.8 cm guns cannot be used at sea state 5 or higher. Built as cheap, expendable, mass production escort and landing support vessel. Special damage modifier of -25% for amphibious construction.
Damage and Speed breakdown:
Dam Pts: 0 2.7 5.4 8.2 9.8 10.9
Surf Speed: 10 8 5 3 0Sinks

AFP Type D LCG
Displacement: 380
In Class: 100+
Size Class: D
In Service: 1942
Propulsion: Diesel
Crew: 60
Weapons: Armor Rtng: 3/0
F/A(1)2 8.8 cm SKC/35 C
Light AA: 1 3.7 cm Flak M42, 8 2cm Flak 38 (2.3)
Remarks:
Converted landing craft. Not very seaworthy. 8.8 cm guns cannot be used at sea state 4 or higher. Built as cheap, expendable, mass production escort and landing support vessel. Can be used as minelayer for 54 EMC or UMA mines. Similar to types A - B
1944: up to 4 AA 8.6 cm rocket launchers “Föhn” added. Flotilla leaders got FuMO 28 starting in 1944. Special damage modifier of -25% for amphibious construction.
Damage and Speed breakdown:
Dam Pts: 0 4 71113 14
Surf Speed: 9 7 5 2 0Sinks

SF LCAA
Displacement: 200
In Class: 40+
Size Class: E
In Service: 1942
Propulsion: Diesel
Crew: 32
Weapons: Armor Rtng: 0
F/PA/SA(1)3 8.8 cm SKC/30 C
PW/SW/PA/SA(1)8 2cm Flak 38 C
Area AA: 3 8.8 cm SKC/30 (0.8)
Light AA: 8 2cm Flak 38 (2.0)
Remarks:
Converted landing craft. Built as cheap, expendable, mass production AAA vessel for coastal convoys. Special damage modifier of -25%.
Damage and Speed breakdown:
Dam Pts: 0 1.9 3.8 5.6 6.8 7.5
Surf Speed: 8 6 4 2 0Sinks

MFP.1-626 (Types A,B,C) LCM
Displacement: 200
In Class: ?
Size Class: E
In Service: 1941
Propulsion: Diesel
Crew: 21
Weapons: Armor Rtng: 0
F(1)1 7.5cm/50 (French gun) C
A(1)1 3.7cm SKC/30 C
P/S(1)2 2cm Flak 38 C
Light AA: 1 3.7 cm SKC/30, 2 2cm Flak 38 (0.5)
Remarks:
Built as a cheap, expendable, mass production coastal transport and landing vessel. Not very seaworthy. Special damage modifier of -25%.
1943: 4 2cm Flak 38 added (Lt AA 1.5)
Damage and Speed breakdown:
Dam Pts: 0 1.9 3.8 5.6 6.8 7.5
Surf Speed: 10 8 5 3 0Sinks

MFP.627-2000 (Type D) LCM
Displacement: 280
In Class: ?
Size Class: E
In Service: 1942
Propulsion: Diesel
Crew: 21
Weapons: Armor Rtng: 0
F(1)1 7.5cm/50 (French gun) C
A(1)1 3.7cm SKC/30 C
P/S(1)2 2cm Flak 38 C
Light AA: 1 3.7 cm SKC/30, 2 2cm Flak 38 (0.5)
Remarks:
Built as cheap, expendable, mass production coastal transport and landing vessel. Special damage modifier of -25% for amphibious construction.
1943: 4 2cm Flak 38 added (Lt AA 1.5)
1945: further 4 2cm Flak 38 added (Lt AA 2.5)
Damage and Speed breakdown:
Dam Pts: 0 2.6 5.3 7.9 9.5 10.5
Surf Speed: 10 8 5 3 0 Sinks

BT


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