Niteroi class frigate

The Niterói class frigates are a class of warships of the Brazilian Navy

History

The Niterói Class Frigates were designed and built by the English shipyard Vosper Thornycroft in the 1970's. These ships were designated Mk 10 by Vosper Thornycroft and are the largest of a series of ships built by that firm for both foreign and buyers the Royal Navy ( type 21 frigate). They are undergoing an extensive modernisation in Brazil, with new weapons and electronics (as of 2005).

six ships were built, four of an anti submarine version built in England

• F40 Niterói - launched 8/2/74, completed 20/11/76
• F41 Defensora - launched 27/3/75, completed 5/3/77
• F42 Constituição - launched 15/4/76, completed 31/3/78
• F43 Liberal- launched 15/4/76, completed 31/3/78

Two general purpose ships built at the Arsenal da Marinha no Rio de Janeiro with assistance from VT

• F44 Independência - launched 2/9/74, completed 3/9/79
• F45 União - launched 14/3/75, completed 17/9/80

General Characteristics

• Displacement (tons):3,355-standard / 3,707-full load

• Dimensions:
  • Length : 129.2m
  • Beam: 13.5m
  • Draught 5.5m

• Machinery: 2 shaft CODAG 2 Rols Royce Olympus gas turbines, 56000 hp + 4 MTU Diesels 18,000 hp
• Speed : 30 knots (22 knots diesels only)

• Range: 5,300 nm - at 17 knots / 4,200-a 19 knots /1300 nm -a 28 knots, endurance 45 days
• Crew: 217 men

• Armament (after the modernization):
  • Missile antiship MM-40 Exocet;
  • Anti-aircraft missile ASPIDE;
  • 1 Vickers gun 4.5 inch Mk 8 (114 mm), (22 km range);
  • 2 Cannons Antiaircraft Bofors SAK 40mm/70;
  • 2 x3 torpedo tubes for Mk-46 torpedoes;
  • anti-submarinee rocket launcher

• Helicopter: 1 Westland Super Ah-11a Lynx or 1 Uh-12/13 Squirrel

Marinha do Brasil (Brazilian Navy)

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