NAVYPEDIA

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 variant	Fleet 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 equipment	SS, 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

Graphics

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.