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|
| Career |
 |
| Builder: |
Vickers Barrow-in-Furness |
| General characteristics |
| Displacement: |
190 tons surfaced, 207 tons submerged |
| Length: |
105.25 ft (32.08 m) |
| Beam: |
12.75 ft (3.89 m) |
| Draught: |
10.5 ft (3.2 m) |
| Propulsion: |
550 hp petrol engine
150 hp electric engine |
| Speed: |
11 knots (20 km/h) maximum surfaced 8 knots (15 km/h) maximum submerged |
| Range: |
325 nautical miles (602 km) at 11 knots (20 km/h) surfaced 20 nautical miles (40 km) at 6 knots (11 km/h) submerged |
| Complement: |
11 (2 officers and 9 ratings) |
| Armament: |
Two 18 inch (457 mm) torpedo tubes, plus two reloads |
HMS A9 was an early Royal Navy submarine.
She was a member of Group Two of the first British A-class of submarines (a second, much different A-class submarine appeared towards the end of the Second World War). Like all members of her class, she was built at Vickers Barrow-in-Furness.
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