Brazilian cruiser Bahia information

	Bahia sometime before its mid-1920s modernization, as indicated by its two funnels
History
Brazil
Name	Bahia
Namesake	State of Bahia
Builder	Armstrong Whitworth
Yard number	809
Laid down	19 August 1907
Launched	20 January 1909
Sponsored by	Madame Altino Correia
Commissioned	21 May 1910
Fate	Sunk by an explosion, 4 July 1945
General characteristics (as built)
Class and type	Bahia-class cruiser
Displacement	3,100 tonnes (3,050 long tons; 3,420 short tons)
Length	122.38 m (401.5 ft) oa; 115.82 m (380.0 ft) pp;
Beam	11.89–11.91 m (39.0–39.1 ft)
Draft	3.81 m (12.5 ft) forward; 4.75 m (15.6 ft) amidships; 4.42 m (14.5 ft) aft;
Propulsion	Five Parsons steam turbines, ten Yarrow boilers; Coal normal 150 t (148 long tons; 165 short tons); Maximum 650 t (640 long tons; 717 short tons);
Speed	27.016 knots (50.034 km/h; 31.089 mph) trial; 25 knots (46 km/h; 29 mph) at full load;
Endurance	1,400 nautical miles (2,600 km; 1,600 mi) at 23.5 knots (43.5 km/h; 27.0 mph); 3,500 nautical miles (6,500 km; 4,000 mi) at 10 knots (19 km/h; 12 mph);
Complement	320 to 357
Armament	10 × 120 mm (4.724 in)/50 caliber,; 6 × 3-pounder 47 mm (1.85 in)/50 caliber,; 2 × 457 mm (18.0 in) torpedo tubes;
Armor	Deck: 19 mm (0.748 in); Conning tower: 76 mm (2.992 in);

Bahia was the lead ship of a two-vessel class of cruisers built for Brazil by the British company Armstrong Whitworth. Crewmen mutinied in November 1910 aboard Bahia, Deodoro, Minas Geraes, and São Paulo, beginning the four-day Revolta da Chibata (Revolt of the Lash). Brazil's capital city of Rio de Janeiro was held hostage by the possibility of a naval bombardment, leading the government to give in to the rebel demands which included the abolition of flogging in the navy. During the First World War, Bahia and its sister ship Rio Grande do Sul were assigned to the Divisão Naval em Operações de Guerra (Naval Division in War Operations), the Brazilian Navy's main contribution in that conflict. The squadron was based in Sierra Leone and Dakar and escorted convoys through an area believed to be heavily patrolled by U-boats.

Bahia was extensively modernized in the mid-1920s. It received three new Brown–Curtis turbine engines and six new Thornycroft boilers, and it was converted from coal-burning to oil. The refit resulted in a striking aesthetic change, with the exhaust being trunked into three funnels instead of two. The armament was also modified, adding three 20 mm (0.79 in) Madsen autocannons, a 7 mm (0.28 in) Hotchkiss machine gun, and four 533 mm (21.0 in) torpedo tubes. In the 1930s, it served with government forces during multiple revolutions.

In the Second World War, Bahia was once again used as a convoy escort, sailing over 100,000 nautical miles (190,000 km; 120,000 mi) in the span of about a year. On 4 July 1945, it was acting as a plane guard for transport aircraft flying from the Atlantic to Pacific theaters of war. Bahia's gunners were firing at a kite for anti-aircraft practice when one aimed too low and hit depth charges stored near the stern of the ship, resulting in a massive explosion that incapacitated the ship and sank it within minutes. Only a few of the crew survived the blast, and fewer still were alive when their rafts were discovered days later.

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History
Bahia sometime before its mid-1920s modernization, as indicated by its two funnels^[1]
Brazil
Name	Bahia
Namesake	State of Bahia
Builder	Armstrong Whitworth^[1]^[2]
Yard number	809^[2]
Laid down	19 August 1907^[1]^[2]
Launched	20 January 1909^[2]
Sponsored by	Madame Altino Correia
Commissioned	21 May 1910^[3]
Fate	Sunk by an explosion, 4 July 1945^[3]^[4]
General characteristics (as built)
Class and type	Bahia-class cruiser
Displacement	3,100 tonnes (3,050 long tons; 3,420 short tons)^[1]^[3]
Length	122.38 m (401.5 ft) oa 115.82 m (380.0 ft) pp^[3]
Beam	11.89–11.91 m (39.0–39.1 ft)^[3]
Draft	3.81 m (12.5 ft) forward^[3] 4.75 m (15.6 ft) amidships^[3] 4.42 m (14.5 ft) aft^[3]
Propulsion	Five Parsons steam turbines,^[5] ten Yarrow boilers^[3] Coal normal 150 t (148 long tons; 165 short tons)^[5] Maximum 650 t (640 long tons; 717 short tons)^[5]
Speed	27.016 knots (50.034 km/h; 31.089 mph) trial^[1] 25 knots (46 km/h; 29 mph) at full load^[3]
Endurance	1,400 nautical miles (2,600 km; 1,600 mi) at 23.5 knots (43.5 km/h; 27.0 mph)^[5] 3,500 nautical miles (6,500 km; 4,000 mi) at 10 knots (19 km/h; 12 mph)^[5]
Complement	320^[5] to 357^[3]
Armament	10 × 120 mm (4.724 in)/50 caliber,^[3] 6 × 3-pounder 47 mm (1.85 in)/50 caliber,^[1]^[3] 2 × 457 mm (18.0 in) torpedo tubes^[1]
Armor	Deck: 19 mm (0.748 in)^[1] Conning tower: 76 mm (2.992 in)^[1]