F-71 Alvand

Country:  Iran

Class, [Type]: Saam/Vosper Mk5, [FF].

Builder: Vosper Thornycroft, Woolston, U.K.

Launch date: 25 July 1968.

Commission date: 20 May 1971.

Displacement ( tons ): 1.250, 1.540 at full load.

Dimensions ( metres ): 94,5 x 11,07 x 3,25

Main machinery: CODOG: 2 x Rolls-Royce Olympus TM-3A gas turbines ( 46.000 hp ); 2 Paxman Ventura diesels ( 3.800 hp ), 2 x props.

Speed ( knots ): 39; 17,5 on diesels.

Range ( miles ): 5.000 at 15 knots.

Complement: 135.

Guns: 1 x 114mm/55 Vickers Mk 8, 1 x twin 35mm/90 Oerlikon, 3 x 20mm/90 Oerlikon GAM-B01, 2 x 12,7mm.

Missiles:  SSM: 4 x C802, originally carried a Sea Killer system; SAM: Originally carried a Sea Cat system, removed later.

Torpedoes: 2 x triple 324mm launchers, unknown torpedoes make/model.

A/S Mortars: 2 x 81mm, 1 x Limbo Mk10.

Military lift: Fuel: 150tm - 250tm.

Radar: Navigation: 1 x Decca 1226; Air Search: 1 x Plessey AWS-1; Fire Control: 2 x Oerlikon-Contraves Sea Hunter RTN-10X, 1 x Type 352C missile target-detection and tracking .

Sonar: Graseby Type 174, hull-mounted, search; Type 170, hull-mounted, attack.

Countermeasures: ESM: Decca RDL-2AC (radar warning), FH-5 HFD/F.

Comment: ex - Saam.