Photo courtesy Donald M. McPherson 1977. Naval History and Heritage Command NH 85474. source Mike Green
http://www.navsource.org/archives/12/1201056103.jpg
Built 1942
Incorporated 11 Jul 1942
Decommissioned 18 Sep 1959.
Tonnage 295 t / 450 t. full loaded
Length: 52.73 m
Beam: 7.01 m
Draught 3.04 m.
Propulsion: Diesel; 2 Engines 16 Cylinders; General Motors Model 16-258S with 2.000 bhp, 2 shafts with 3 blade propellers.
Speed: max. 20 knots.
Range: 3.000 Nautical miles @12 knots.
Armament: 1 3 pol. (76.2 mm/50) Oerlikon gun; 1 Bofors L/60 gun, 40 mm in one single mounting Mk 3; 2 machineguns Oerlikon 20 mm single mountings Mk 4; 2 grenade octuples throwers of A/S (LBG) 7.2 pol. Mousetrap Mk 20 at the bow ; 2 Depth Charges rack Mk 3 and 2 side throwers type K Mk 6 for Depth Charges Mk 6 or Mk 9.
Sensors: 1 surveillance surface radar type SF or SL; 1 hull sonar.
Complement: 65
Sub Chaser Grauna - G 8, ex-USS PC 561, was built at Sullivan Dry Dock and Repair Co.Brooklyn, New York. She was launched 1st/May/42 and incorporated to the Brazilian Navy on 11/Jul/42. She was transferred and incorporated to the Brazilian Navy 30/Nov/1943 in a ceremony held at Miami, Florida.
Her first commander was Lieutenant Captain Luís Antônio Medeiros Neto. On 21/Jul/43, along with Sub Chaser Jutai, as part of the escort group of the convoy JT-18, rescued the survivors of Corvette Camaqua – C 6, which capsized and sunk in rough sea some 12 miles northeast of Recife (PE).
Above, Sub Chaser Grauna seen when entering Guanabara Bay at Rio de Janeiro with Forte da Laje in the bottom. SC Grauna escorted 26 convoys during the war.