Chilean submarine Thomson (SS-20)

	Thomson at Coquimbo, 1996
History
Chile
Name	Thomson
Namesake	Manuel Thomson
Builder	Howaldtswerke-Deutsche Werft, Kiel
Launched	28 October 1982
Commissioned	31 August 1984
Homeport	Talcahuano
Status	Active
General characteristics
Class and type	Thomson class (Type 209/1400-L)
Displacement	1,260 long tons (1,280 t) surfaced; 1,586 long tons (1,611 t) submerged;
Length	61.2 m (200 ft 9 in)
Beam	6.25 m (20 ft 6 in)
Draft	5.5 m (18 ft 1 in)
Depth	300m
Installed power	2400 HP 4600 HP (submerged)
Propulsion	Diesel-electric • 4 diesel engines • 1 axle
Speed	11 knots (20 km/h; 13 mph) surfaced; 22 kn (41 km/h; 25 mph) submerged;
Range	10,000 km (6,200 mi) at 8 kn (15 km/h; 9.2 mph) (surface); 8,000 km (5,000 mi) at 8 kn (15 km/h; 9.2 mph) (snorkeling); 400 km (250 mi) at 4 kn (7.4 km/h; 4.6 mph) (submerged); 50 days;
Complement	33
Armament	8 × 533 mm (21 in) torpedo tubes for 16 Whitehead Alenia Sistemi Subacquei Black Shark heavyweight torpedoes

Thomson (SS-20) is a Type 209 submarine, 1400-l variant and referred to as the Thomson class. The boat was built for the Chilean Navy by Howaldtswerke-Deutsche Werft shipyards in Kiel, Germany. The boats namesake is Manuel Thomson Porto Mariño, who died as commander of the Huáscar, during the blockade of Arica in the War of the Pacific.

Thomson is homeported in Talcahuano. A systems modernisation was carried out between 2007 and 2009.^[1]

She has one sister ship in Chilean service Simpson.

References