SM U-77
| History | |
|---|---|
| German Empire | |
| Name | U-77 |
| Ordered | 9 March 1915 |
| Builder | AG Vulkan, Hamburg |
| Yard number | 59 |
| Launched | 9 January 1916 |
| Commissioned | 10 March 1916 |
| Fate | Missing since 7 July 1916 during a minelaying mission off Kinnaird Head, Scotland. 33 dead (all hands lost). |
| General characteristics | |
| Class & type | Type UE I submarine |
| Displacement | |
| Length |
|
| Beam |
|
| Height | 8.25 m (27 ft 1 in) |
| Draught | 4.86 m (15 ft 11 in) |
| Installed power | |
| Propulsion | 2 shafts, 2× 1.41 m (4 ft 8 in) propellers |
| Speed |
|
| Range |
|
| Test depth | 50 m (164 ft 1 in) |
| Complement | 4 officers, 28 enlisted |
| Armament |
|
| Service record | |
| Part of: |
|
| Commanders: |
|
| Operations: | 2 patrols |
| Victories: | No ships sunk or damaged |
SM U-77 was one of 329 submarines serving in the Imperial German Navy in World War I, engaged in commerce warfare during the First Battle of the Atlantic.