Skate 1957
Skate 1963
| No | Name | Yard No | Builder | Laid down | Launched | Comm | Fate |
| SSN578 | Skate | 147 | Electric Boat, Groton | 21.7.1955 | 16.5.1957 | 23.12.1957 | stricken 10.1986 |
| SSN579 | Swordfish | Portsmouth N Yd, Kittery | 25.1.1956 | 27.8.1957 | 15.9.1958 | stricken 1.1990 | |
| SSN583 | Sargo | Mare Island N Yd, Vallejo | 21.2.1956 | 10.10.1957 | 1.10.1958 | stricken 4.1988 | |
| SSN584 | Seadragon | 1041 | Portsmouth N Yd, Kittery | 20.6.1956 | 16.8.1958 | 5.12.1959 | stricken 4.1986 |
|
Displacement standard, t |
|
|
Displacement normal, t |
2550 / 2848 |
|
Length, m |
81.6 |
|
Breadth, m |
7.60 |
|
Draught, m |
6.30 |
|
No of shafts |
2 |
|
Machinery |
SSN578, 583: 2 sets Westinghouse geared steam turbines, 1 Westinghouse S3W nuclear reactor SSN579, 584: 2 sets Westinghouse geared steam turbines, 1 Westinghouse S4W nuclear reactor |
|
Power, h. p. |
6600 |
|
Max speed, kts |
15.5 / 20 |
|
Fuel, t |
nuclear |
| Endurance, nm(kts) | practically unlimited |
|
Armament |
8 - 533 TT (6 Mk 56 bow, 2 Mk 57 stern, 22) |
|
Electronic equipment |
BPS-12 radar, BQS-4, BQR-2 sonars, BLR-1 ECM suite |
|
Complement |
84 |
|
Diving depth operational, m |
210 |
Project history: These four attack boats were the first US approach to a 'production' nuclear submarine, considerably smaller than Nautilus, with about half her power; they corresponded approximately to the earlier Tang class in dimensions, although they were somewhat heavier. Production was abandoned in favour of the much faster Skipjack class, the transition occurring in die FY56 programme.
Modernizations: 1960s, all: - BLR-1 ECM suite; + WLR-1 ECM suite
1980s, Swordfish, Sargo: - BQS-4 sonar; + SQS-49 sonar
Naval service: No significant events.
Skate 1980
© Ivan Gogin, 2015