November 1979. The Mediterranean Sea. Photo from the archives of A. Andreev.

Country: Turkey.
Class, [Type]: Guppy IIA, [SS].

Builder: Portsmouth Naval Shipyard, Groton, USA.
Laid down: 9 September 1943.
Launch date: 27 January 1944.
Commission date: 3 April 1944.
Recommission date: 17 December 1971.
Decommission date: 8 August 2001.

Displacement ( tons ): 1850 surfaced, 2450 dived.
Dimensions ( metres ): 93,2 x 8,3 x 5,2.
Main machinery: Diesel-electric: 3 x Fairbanks-Morse 38D8-1/8-10 diesels ( 4500 hp ), 2 x Elliott motors ( 4800 hp )
Speed ( knots ): 17 surfaced; 14 dived.
Range ( miles ): 12000 at 10 knots.
Diving depth ( metres ): 120.
Complement: 85 ( 9 officers ).

Torpedoes: 10 x 533mm tubes for 21 Mk37 torpedoes.

Mines: 40 in lieu of torpedoes.

Radar: Surface search: SS-2A.
Sonars: EDO BQR-2B, BQS-4, BQG-3.
Comments: Ex – USS Razorback ( SS - 394 ).