U50 1916
| Name | No | Yard No | Builder | Laid down | Launched | Comp | Fate |
| U43 | 21 | KW Danzig | 1913 | 26.9.1914 | 4.1915 | to United Kingdom 11.1918 | |
| U44 | 22 | KW Danzig | 1913 | 15.10.1914 | 5.1915 | sunk 12.8.1917 | |
| U45 | 23 | KW Danzig | 1914 | 15.4.1915 | 10.1915 | sunk 12.9.1917 | |
| U46 | 24 | KW Danzig | 1914 | 18.5.1915 | 12.1915 | to Japan 11.1918 (○2潜水艦 [O2]) | |
| U47 | 25 | KW Danzig | 1914 | 16.8.1915 | 2.1916 | Austrian flag 1917 (U36), scuttled 28.10.1918 | |
| U48 | 26 | KW Danzig | 1914 | 3.10.1915 | 4.1916 | wrecked 24.11.1917 | |
| U49 | 27 | KW Danzig | 1914 | 26.11.1915 | 5.1916 | sunk 11.9.1917 | |
| U50 | 28 | KW Danzig | 1914 | 31.12.1915 | 7.1916 | sunk 31.8.1917 |
|
Displacement standard, t |
|
|
Displacement normal, t |
725 / 940 |
|
Length, m |
65.0 |
|
Breadth, m |
6.20 |
|
Draught, m |
3.74 |
|
No of shafts |
2 |
|
Machinery |
2 MAN diesels / 2 SSW electric motors |
|
Power, h. p. |
2000 / 1200 |
|
Max speed, kts |
15.2 / 9.7 |
|
Fuel, t |
diesel oil 132 |
| Endurance, nm(kts) | 11400(8) / 51(5) |
|
Armament |
U43 - 46: 1 x 1 - 88/27 TK L/30 C/08, 4 - 500 TT (2 bow, 2 stern, 6) U47 - 50: 2 x 1 - 88/27 TK L/30 C/08, 4 - 500 TT (2 bow, 2 stern, 6) |
|
Complement |
36 |
| Diving depth operational, m | 50 |
Project history: Medium coastal submarines of Mobilization type Project 25. Double-hulled.
Modernizations: 1916, U43-46: + 1 x 1 - 88/27 TK L/30 C/08
1916-1917, all: - 2 x 1 - 88/27; + 1 x 1 - 105/43 TK L/45 C/16
Naval service: U44 was rammed by British destroyer Oracle 12.8.1917 in the North Sea. U45 was torpedoed by British submarine D7 in the English Channel 12.9.1917. Austrian U36 (ex-U47) was scuttled by own crew at Pola 28.10.1918. U48 wrecked 24.11.1917 in the mouth of Thames. U49 was rammed by British s/s British Transport 11.9.1917 S of Ireland. U50 was mined 31.8.1917 in the North Sea.
© Ivan Gogin, 2014