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TRIAINA submarines (1944/1965-1972)


Photo



Triaina 1970

Ships


Name No Yard No Builder Laid down Launched Comp Fate Modification
Τρίαινα [Triaina] (ex-Scabbardfish) S86   Portsmouth N Yd, USA 9.1943 27.1.1944 4.1944 // 26.2.1965 training hulk 1980 Fleet Snorkel
Παπανικολής [Papanikolis] (ex-Hardhead) S114   Manitowoc SB, USA 7.1943 12.12.1943 4/1944 // 26.7.1972 stricken 1993 GUPPY IIA


Technical data


Data variantFleet Snorkel GUPPY IIA
Displacement standard, t   
Displacement normal, t

1830 / 2440

1848 / 2440

Length, m

95.0

93.6

Breadth, m

8.31

8.20

Draught, m

5.20

5.20

No of shafts

2

2

Machinery

4 Fairbanks-Morse diesel-generators / 4 electric motors

3 General Motors diesel-generators / 4 electric motors

Power, h. p.

4610 / 2700

3430 / 5400

Max speed, kts

20 / 10 (6.5 with snorkel)

17 / 15

Fuel, t

diesel oil 378 - 472

diesel oil 378 - 472

Endurance, nm(kts)11000 (10) / 96 (2) 11000 (10) / 96 (2)
Armament

10 - 533 TT (24 torpedoes or 40 mines, 6 bow, 4 stern)

10 - 533 TT (24 torpedoes or 40 mines, 6 bow, 4 stern)

Electronic equipmentSS, ST, SV radars, BQR-2, BQS-2, JT or SQR-3 sonars, APR-1 ECM suite BPS-1, BPS-4, SS radars, BQR-2, BQS-2, SQR-3 sonars, BLR-1 ECM suite
Complement

82

82

Diving depth operational, m

120

120


Standard scale images


<i>Triaina </i>1968
Triaina 1968
<i>Papanikolis </i>1975
Papanikolis 1975


Graphics


<i>Triaina </i>1970
Triaina 1970
<i>Papanikolis </i>1979
Papanikolis 1979


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.