April 2010. The Sevastopol. Photo by A. Andreev.

Country: Turkey.
Class, [Type]: Type 209/1200, [SSK].
Homeport: Aksaz.

Callsign: TBRZ (     )

Builder: Gölcük, Izmit, Turkey.
Laid down: 1 May 1976.
Launch date: 20 July 1979.
Commission date: 20 July 1981.

Displacement ( tons ): 980 surfaced, 1200 dived.
Dimensions ( metres ): 61 x 6,2 x 5,5.
Main machinery: Diesel-electric: 4 x MTU diesels ( 2400 hp ), 1 x Siemens motor ( 4600 hp ).
Speed ( knots ): 11 surfaced; 22 dived.
Range ( miles ): 7500 at 8 knots.
Diving depth ( metres ): 250.
Complement: 38 ( 9 officers ).

Torpedoes: 8 x 533mm tubes for 14 SST-4 torpedoes.

Radar: Surface search: S-63B.
Sonar: CSU-3.
Countermeasures: ESM: DR-2000.