Triaina 1968
Papanikolis 1975
| Name | No | Yard No | Builder | Laid down | Launched | Comp | Fate |
| Fleet Snorkel | |||||||
| Τρίαινα [Triaina] (ex-Scabbardfish) | S86 | Portsmouth N Yd, USA | 9.1943 | 27.1.1944 | 4.1944 // 26.2.1965 | training hulk 1980 | |
| GUPPY IIA | |||||||
| Παπανικολής [Papanikolis] (ex-Hardhead) | S114 | Manitowoc SB, USA | 7.1943 | 12.12.1943 | 4/1944 // 26.7.1972 | stricken 1993 | |
| Data variant | Fleet Snorkel |
|
Displacement standard, t |
|
|
Displacement normal, t |
1830 / 2440 |
|
Length, m |
95.0 |
|
Breadth, m |
8.31 |
|
Draught, m |
5.20 |
|
No of shafts |
2 |
|
Machinery |
4 Fairbanks-Morse diesel-generators / 4 electric motors |
|
Power, h. p. |
4610 / 2700 |
|
Max speed, kts |
20 / 10 (6.5 with snorkel) |
|
Fuel, t |
diesel oil 378 - 472 |
| Endurance, nm(kts) | 11000 (10) / 96 (2) |
|
Armament |
10 - 533 TT (24 torpedoes or 40 mines, 6 bow, 4 stern) |
|
Electronic equipment |
SS, ST, SV radars, BQR-2, BQS-2, JT or SQR-3 sonars, APR-1 ECM suite |
|
Complement |
82 |
|
Diving depth operational, m |
120 |
| Data variant | GUPPY IIA |
|
Displacement standard, t |
|
|
Displacement normal, t |
1848 / 2440 |
|
Length, m |
93.6 |
|
Breadth, m |
8.20 |
|
Draught, m |
5.20 |
|
No of shafts |
2 |
|
Machinery |
3 General Motors diesel-generators / 4 electric motors |
|
Power, h. p. |
3430 / 5400 |
|
Max speed, kts |
17 / 15 |
|
Fuel, t |
diesel oil 378 - 472 |
| Endurance, nm(kts) | 11000 (10) / 96 (2) |
|
Armament |
10 - 533 TT (24 torpedoes or 40 mines, 6 bow, 4 stern) |
|
Electronic equipment |
BPS-1, BPS-4, SS radars, BQR-2, BQS-2, SQR-3 sonars, BLR-1 ECM suite |
|
Complement |
82 |
|
Diving depth operational, m |
120 |
Project history: Former USN Balao class submarines. Scabbardfish was modified under Fleet Snorkel design in the USN service, Hardhead was modernized to the GUPPY IIA configuration.
Modernizations: None.
Naval service: No significant events.
Triaina 1970
Papanikolis 1979
© Ivan Gogin, 2015