Spanish submarine Tramontana (S74)

History
Spain
Name:	Tramontana
Builder:	Bazán, Cartagena, Spain
Launched:	1984
Commissioned:	1985
Identification:	S74
Status:	in active service, as of 2010
General characteristics
Class & type:	Agosta-class submarine
Displacement:	1,500 long tons (1,524 t) surfaced 1,760 long tons (1,788 t) submerged
Length:	67 m (219 ft 10 in)
Beam:	6 m (19 ft 8 in)
Speed:	12 knots (22 km/h; 14 mph) surfaced 20.5 knots (38.0 km/h; 23.6 mph) submerged 10.5 knots (19.4 km/h; 12.1 mph) submerged (snort)
Test depth:	300 m (984 ft 3 in)
Complement:	5 officers 36 men
Sensors and processing systems:	Thomson CSF DRUA 33 Radar Thomson Sintra DSUV 22 DUUA 2D Sonar DUUA 1D Sonar DUUX 2 Sonar DSUV 62A towed array
Armament:	SM 39 Exocet 4 × 550 millimetres (22 in) bow torpedo tubes ECAN L5 Mod 3 & ECAN Fl7 Mod 2 torpedoes

Tramontana is an Agosta-class submarine built for the Spanish Navy by Bazán at Cartagena, Spain. The submarine was launched in 1984, commissioned in 1985, and is currently active with the Spanish Navy.

On 22 March 2011, it was deployed as part of Spanish contribution to the multi-national task force enforcing UN resolution 1973 "to take all necessary measures to protect civilians under threat of attack" in Libya.