Brazilian submarine Tamoio (S-31)

	S Tamoio
History
Brazil
Name	Tamoio
Namesake	Tamoio
Builder	Arsenal de Marinha do Rio de Janeiro
Laid down	15 July 1986
Launched	18 November 1993
Commissioned	17 July 1995
Decommissioned	14 September 2023
Identification	Pennant number: S-31
Status	Decommissioned
General characteristics
Class and type	Tupi-class submarine
Displacement	1,170 t (1,150 long tons) surfaced; 1,460 t (1,440 long tons) 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)
Propulsion	4 ×diesel-electric engines; 1 × shaft, 4,500 kW (6,100 shp);
Speed	11 kn (20 kilometres per hour; 13 miles per hour) surfaced; 22 kn (41 km/h; 25 mph) submerged;
Range	11,000 nmi (20,000 km; 13,000 mi) at 19 km/h (10 kn) surfaced; 8,000 nmi (15,000 km; 9,200 mi) at 19 km/h (10 kn) snorkeling; 400 nmi (740 km; 460 mi) at 7 km/h (4 kn) submerged;
Endurance	50 days
Test depth	500 m (1,600 ft)
Complement	30
Armament	8 × 21 in (533 mm) torpedo tubes,; 14 × torpedoes; optional UGM-84 Harpoon integration;

S Tamoio (S-31) was the second Tupi-class submarine of the Brazilian Navy.^[3]^[4]

Construction and career

The boat was built at Arsenal de Marinha do Rio de Janeiro in Rio de Janeiro and was launched on 18 November 1993 and commissioned on 17 July 1995. She was decommissioned in 14 September 2023, having served the Brazilian Navy for 28 years.^[1]

^ ^a ^b Guilherme Wiltgen (14 September 2023). "Marinha dá baixa no Submarino 'Tamoio' (S 31)" (in Portuguese). Defesa Aérea & Naval. Retrieved 16 September 2023.
^ "Type 209 Diesel-Electric Attack Submarine (1971)". Military Factory. 2016-04-14. Archived from the original on 2016-09-18. Retrieved 2016-08-29.
^ Gardiner, Robert; Chumbley, Stephen; Budzbon, Przemysław (1995). Conway's All the World's Fighting Ships 1947–1995. Annapolis, Maryland: Naval Institute Press. ISBN 1-55750-132-7.
^ ""S Tamoio - S 31 Classe Tupi/IKL 209."". www.webcitation.org. Archived from the original on 2015-03-24. Retrieved 2021-08-10.

Media related to S31 Tamoio (submarine, 1995) at Wikimedia Commons

History
S Tamoio
Brazil
Name	Tamoio
Namesake	Tamoio
Builder	Arsenal de Marinha do Rio de Janeiro
Laid down	15 July 1986
Launched	18 November 1993
Commissioned	17 July 1995
Decommissioned	14 September 2023 ^[1]
Identification	Pennant number: S-31
Status	Decommissioned
General characteristics
Class and type	Tupi-class submarine
Displacement	1,170 t (1,150 long tons) surfaced 1,460 t (1,440 long tons) 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)
Propulsion	4 ×diesel-electric engines 1 × shaft, 4,500 kW (6,100 shp)
Speed	11 kn (20 kilometres per hour; 13 miles per hour) surfaced 22 kn (41 km/h; 25 mph) submerged
Range	11,000 nmi (20,000 km; 13,000 mi) at 19 km/h (10 kn) surfaced 8,000 nmi (15,000 km; 9,200 mi) at 19 km/h (10 kn) snorkeling 400 nmi (740 km; 460 mi) at 7 km/h (4 kn) submerged
Endurance	50 days^[2]
Test depth	500 m (1,600 ft)
Complement	30
Armament	8 × 21 in (533 mm) torpedo tubes, 14 × torpedoes; optional UGM-84 Harpoon integration