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FIGHTING SHIPS OF THE WORLD
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ESCORTS
MOB-FD1 patrols (1940 - 1942)
Ships
| Name | No | Yard No | Builder | Laid down | Launched | Comp | Fate |
|---|---|---|---|---|---|---|---|
| Mob-FD1 Saturn | 13, 6.1943- NN12, 5.1944- V6308 | 738 | Norderwerft Köser & Meyer, Hamburg | 1940 | 12.1940 | surrendered 5.1945, GMSA 9.1945, to Soviet Union 1947 | |
| Mob-FD2 Jupiter | 24, 6.1943- NN11, 5.1944- V6307 | 739 | Norderwerft Köser & Meyer, Hamburg | 1940 | 10.1940 | sunk 17.7.1944 | |
| Mob-FD3 Mars | 31, 11.1941- UJ1214 | 740 | Norderwerft Köser & Meyer, Hamburg | 10.12.1940 | 12.1941 | sunk 4.10.1943 | |
| Mob-FD4 | UJ1406 | 9 | Vulcan, Stettin | 1941 | 3.1942 | sunk 15.1.1943 | |
| Mob-FD5 | UJ130, 8.1941- UJ1206 | 437 | Ottensener Eisenwerke, Hamburg | 4.1.1941 | 7.1941 | surrendered 5.1945, sold 8.1945 | |
| Mob-FD6 | UJ1110 | 438 | Ottensener Eisenwerke, Hamburg | 9.6.1941 | 11.1941 | sunk 9.7.1942 | |
| Mob-FD31 (ex-Najade) | UJ175 | 292 | Unterweser-AG, Bremerhaven | 23.7.1940 | 10.1940 | sunk 7.1.1941 | |
| Mob-FD32 | UJ173 | 293 | Unterweser-AG, Bremerhaven | 1.10.1940 | 12.1940 | sunk 8.5.1941 | |
| Mob-FD33 | UJ126, 8.1941- UJ1201 | 294 | Unterweser-AG, Bremerhaven | 30.11.1940 | 2.1941 | surrendered 5.1945, sold mercantile | |
| Mob-FD34 | V415, 10.1943- V814 | 295 | Unterweser-AG, Bremerhaven | 1.3.1941 | 8.1941 | surrendered 5.1945, to USA 1945 | |
| Mob-FD35 | UJ120, 8.1941- UJ1405 | 296 | Unterweser-AG, Bremerhaven | 24.5.1941 | 8.1941 | sunk 8.1944 | |
| Mob-FD36 | UJ1111 | 297 | Unterweser-AG, Bremerhaven | 22.9.1941 | 12.1941 | sunk 20.10.1944 | |
| Mob-FD61 | UJ175, 8.1941- UJ1705 | 515 | Werft Nobiskrug, Rendsburg | 12.10.1940 | 4.1941 | sunk 17.7.1943 | |
| Mob-FD62 | UJ172, 8.1941- UJ1702 | 516 | Werft Nobiskrug, Rendsburg | 4.12.1940 | 5.1941 | sunk 1.2.1944 | |
| Mob-FD63 | UJ173, 8.1941- UJ1703 | 517 | Werft Nobiskrug, Rendsburg | 30.4.1941 | 8.1941 | sunk 5.3.1944 | |
| Mob-FD64 | UJ1207 | 518 | Werft Nobiskrug, Rendsburg | 3.7.1941 | 1.1942 | surrendered 5.1945, to USA 1945 | |
| Mob-FD65 (ex-Vierlande) | UJ1712 | 519 | Werft Nobiskrug, Rendsburg | 11.11.1941 | 5.1942 | surrendered 5.1945, sold 9.1945 | |
| Mob-FD81 | UJ129, 8.1941- UJ1205 | 426 | Jos. L. Meyer, Papenburg | 28.3.1941 | 8.1941 | collision 1.12.1942 | |
| Mob-FD82 | UJ117 | 427 | Jos. L. Meyer, Papenburg | 4.4.1941 | 8.1941 | sunk 30.9.1941 | |
| Mob-FD83 | UJ1407 | 438 | Jos. L. Meyer, Papenburg | 7.8.1941 | 11.1941 | lost 4.1944 | |
| Mob-FD84 | UJ1408 | 439 | Jos. L. Meyer, Papenburg | 6.12.1941 | 4.1942 | sunk 30.6.1944 |
Technical data
| Displacement standard, t | |
|---|---|
| Displacement full, t | Mob-FD1 - 3: 869 Mob-FD4 - 6, 31 - 36, 61 - 65: 885 Mob-FD81 - 84: 835 |
| Length, m | Mob-FD1 - 3: 53.4 wl 57.8 oa Mob-FD4 - 6, 31 - 36, 61 - 65, 81 - 84: 52.0 wl 58.9 oa |
| Breadth, m | 8.40 |
| Draught, m | Mob-FD1 - 3: 4.03 Mob-FD4 - 6, 31 - 36, 61 - 65: 3.80 Mob-FD81 - 84: 4.00 |
| No of shafts | 1 |
| Machinery | 1 VTE with exhaust steam turbine, 1 fire-tube boiler |
| Power, h. p. | Mob-FD1 - 3, 81 - 84: 700 Mob-FD4 - 6, 31 - 36, 61 - 65: 800 |
| Max speed, kts | Mob-FD1 - 6, 31 - 36, 61 - 65: 11 Mob-FD81 - 84: 10 |
| Fuel, t | Mob-FD1 - 4, 31 - 36, 61 - 65: coal 198 Mob-FD5, 6: oil 230 Mob-FD81 - 84: coal 190 |
| Endurance, nm(kts) | 5500(12) Mob-FD81 - 84: 3600(12) |
| Armament | Mob-FD1 - 3: 1 x 1 - 88/42 SK C/35, 1 x 1 - 20/65 C/38, 4 x 1 - 533 TT, 2 DCR (30) Mob-FD4 - 6, 31 - 36, 61 - 65, 81 - 84: 1 x 1 - 88/42 SK C/30, 1 x 1 - 20/65 C/38, 1 x 1 - 13/94, 4 DCT (76) |
| Electronic equipment | GHG hydrophone |
| Complement | 70 |
Standard scale images
UJ175 1941
Project history
Special project of patrol ship / submarine chaser based on design of trawler Uhlenhorst of Norderwerft with enhanced compartment division, strengthened stem and stern and double bottom at about half of length.
Modernizations
Mob-FD1 - 3, 1941: - 4 x 1 - 533 TT, 2 DCR; + 1 x 1 - 13/94, 4 DCT (76 DC).
all survived, 1943: - 1 x 1 - 13/94; + 1 x 1 - 37/80 SK C/30, 1 x 4 - 20/65 C/38, 4 x 1 - 20/65 C/38
Naval service
V6308 (Mob-FD1) was badly damaged by Allied aircraft 22.10.11944 off Sylte Fjord but transferred to GMSA 9.1945 and later transferred to the USSR. V6307 (Mob-FD2) was sunk by Allied aircraft 17.7.1944 off Loppen. UJ1214 (Mob-FD3) was mined 4.10.1943 in Bussesund. UJ1406 (Mob-FD4) was bombed by Allied aircraft 15.1.1943 at Lorient. UJ1110 (Mob-FD6) was mined 9.7.1942 off Hammerfest. UJ175 (Mob-FD32) was mined 7.1.1941 S off Feiestein. UJ1201 (Mob-FD33) was sunk by torpedo 26.9.1941 from British submarine Tigris W of Nordkap, aft part of ship was towed to Rostock and 29.4.1944 ship was commissioned again. UJ1405 (Mob-FD35) was sunk in 1944 at St. Nazaire by Allied aircraft. UJ1111 (Mob-FD36) was torpedoed by British submarine Sceptre 20.10.1944 NW Egersund. UJ1705 (Mob-FD61) was sunk by British aircraft 17.7.1943 SW off Bergen. UJ1702 (Mob-FD62) was sunk 1.2.1944 by British aircraft W off Stadlandet. UJ1703 (Mob-FD63) was sunk by Allied air torpedo 5.3.1944 off Lindesnes. UJ1205 (Mob-FD81) sunk after collision with minesweeper M29 1.12.1942 off Suursaaki. UJ117 (Mob-FD82) was mined off Hangö 30.9.1941. UJ1407 (Mob-FD83) was lost by unknown cause after April, 1944, salvaged by Italians. UJ1408 (Mob-FD84) was sunk by Allied aircraft 30.6.1944 off Concarneau.
