U-138 is a small German II-D type submarine for coastal waters, during the Second World War . Serial number 267.
| U-138 | |
|---|---|
| Ship history | |
| Flag state |  Germany |
| Port of registry | Kiel , Lorient , Bergen |
| Launching | May 18, 1940 |
| Withdrawn from the fleet | June 18, 1941 |
| Current status | sunk |
| Main characteristics | |
| Type of ship | Small DPL |
| Project designation | IID |
| Speed (surface) | 12.7 knots |
| Speed (underwater) | 7.9 knots |
| Immersion depth | 150 |
| Crew | 26 people |
| Dimensions | |
| Surface displacement | 314 t |
| Underwater displacement | 364 t |
| The length is the greatest (on design basis) | 44 m |
| The width of the body naib. | 4.92 m |
| Height | 8.4 m |
| Average draft (on design basis) | 3.93 m |
| Power point | |
| 6-cylinder 4-stroke "MWM" RS127S 2x350 Electric motor "Siemens" 2x210 | |
| Armament | |
| Artillery | 1 x 2 cm / 65 C / 30 (1000 shells) |
| Torpedo mine weapons | 3 TA 5 torpedoes or 18 min (according to other sources 12 TMA) |
It was commissioned on June 27, 1940 . It was part of the 1st flotilla ; from January 1, 1941, it was part of the 22nd flotilla as a training boat; on May 1, 1941, the 3rd flotilla was transferred. She made 5 military campaigns, sank 6 vessels (48,564 gross ) and damaged one ship (6,993 gross). Died on June 18, 1941 east of Cape Trafalgar , the submarine was discovered and damaged by British depth charges, was forced to emerge, after which it was sunk by artillery.