Name | No | Yard No | Builder | Laid down | Launched | Comm | Fate |
---|---|---|---|---|---|---|---|
Simpson (ex-Spot) | 21 | Mare Island N Yd, Vallejo, USA | 8.1943 | 19.5.1944 | 8.1944 // 23.1.1961 | stricken 1982 | |
Thomson (ex-Springer) | 22 | Mare Island N Yd, Vallejo, USA | 10.1943 | 3.8.1944 | 10.1944 // 12.1.1962 | for spares 9.1972 |
Displacement standard, t | |
---|---|
Displacement normal, t | 1845 / 2415 |
Length, m | 92.2 wl 95.0 oa |
Breadth, m | 8.31 |
Draught, m | 4.65 |
No of shafts | 2 |
Machinery | 4 Fairbanks-Morse diesel-generators / 4 electric motors |
Power, h. p. | 5400 / 2740 |
Max speed, kts | 20.25 / 8.75 |
Fuel, t | diesel oil 378 - 472 |
Endurance, nm(kts) | 11000 (10) / 96 (2) |
Armament | 1 x 1 - 127/25 Mk 40, 1 x 1 - 40/60 Mk 3, 10 - 533 TT (24 torpedoes or 40 mines, 6 bow, 4 stern) |
Electronic equipment | SS, ST, SV radars, WFA, JT sonars, APR-1 ECM suite |
Complement | 60 |
Diving depth operational, m | 120 |
Former USN Balao class submarines.
1966, Thomson; 1977, Simpson: CT was streamlined; - 1 x 1 - 40/60
No significant events.