SM UB-109
UB-148 at sea, a U-boat similar to UB-109. | |
| History | |
|---|---|
| German Empire | |
| Name | UB-109 |
| Ordered | 6 / 8 February 1917 |
| Builder | Blohm & Voss, Hamburg |
| Cost | 3,714,000 German Papiermark |
| Yard number | 315 |
| Launched | 7 July 1917 |
| Commissioned | 31 December 1917 |
| Fate | Sunk by mine on 29 August 1918 at 51°3′N 1°44′E / 51.050°N 1.733°E |
| General characteristics | |
| Class & type | Type UB III submarine |
| Displacement | |
| Length | 55.30 m (181 ft 5 in) (o/a) |
| Beam | 5.80 m (19 ft) |
| Draught | 3.70 m (12 ft 2 in) |
| Propulsion |
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| Speed |
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| Range |
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| Test depth | 50 m (160 ft) |
| Complement | 3 officers, 31 men |
| Armament |
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| Service record | |
| Part of: |
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| Commanders: |
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| Operations: | 3 patrols |
| Victories: |
7 merchant ships sunk (14,092 GRT) |
SM UB-109 was a German Type UB III submarine or U-boat in the German Imperial Navy (German: Kaiserliche Marine) during World War I. She was commissioned into the German Imperial Navy on 31 December 1917 as SM UB-109.
UB-109 was sunk by mine in the English Channel on 29 August 1918 and underwater scanning of the area covered by the Dover Barrage shows her wreck broken in half.