HMS Ambush P-418 / S-18 / S-68

Type:
Submarine
Class:
A (Amphion)
Number in Class:
Pennant Number :
P-418
S-18
S-68
Built By:
Vickers Armstrongs
Barrow-in-Furness, England
Keel Laid Down:
May 17, 1945
Launched:
September 24, 1945
Commissioned:
July 22, 1947
Decommissioned:
N/A
Stricken:
N/A
Fate:
Sold June 24, 1971 and scrapped in Inverkeithing in July 1971.
Note: Dimensions and armament are general for class as built.
Length:
280' 6"
Beam:
22' 4"
Draft:
16' 9"
Displacement:
1,385 (Surfaced)
1,620 (Submerged)
Depth Limit:
350'
Speed:
18.5 knots (Surfaced)
8 knots (Submerged)
Range:
10,500 (Surfaced at 11 knots)
16 (Submerged at 8 knots)
Armament:
10 x 21" torpedo tubes (6 forward, 4 aft.)
Note: 2 each forward and aft were external one shot tubes which were later removed.
20 torpedoes or 26 mines
1 x 4" deck gun
1 x 20mm Oerlikon
3 x .303 cal. machine guns
Crew:
61
Notes:
Surviving boats modernized between 1955-1960. Both forward and aft sections were
rebuilt, sail modified and the external torpedo tubes were removed.


Builder's Data
Page published May 10, 2006