November November 3, 1941 U-boats sink nine ships from convoy SC 52. December December 10, 1941 sinks three ships from convoy SC 57. 1942 January January 12, 1942 is sunk 160 miles south of Halifax, heralding the start of a U-boat campaign that saw approximately 200 merchant vessels sunk within 10 miles of the east coast of the US. January 30, 1942 Convoy SC 67 departs from Halifax and picks up a transatlantic escort in Newfoundland, which accompanies the convoy as far as Northern Ireland. This marks the start of the allied end-to-end convoy escort system, which remained in effect until the end of the war. February February 10, 1942 sinks Heina from convoy SC 67. February 15, 1942 30 miles southwest of Cape Henry sinks Brazilian steamer Buarque (which became the 1st of 36 Brazilian merchant ships that would be sunk in WWII). February 16, 1942 Operation Neuland opens with attacks on Aruba, Curaçao and Lake Maracaibo petroleum facilities. March March 20, 1942 A new system of BX and XB convoys is initiated between Halifax and Boston, to counter the U-boat campaign along the east coast of the US. May May 12, 1942 sinks Denpark from convoy SL 109. May 18–22, 1942 Along Natal coast, although damaged the Italian submarine Barbarigo manage to escape two times of attacks done by Brazilians B-25, after have unsuccessfully tried to sink Brazilian merchant ship "Comandante Lyra" at May 18. June June 10, 1942 torpedoes and sinks the British freighter Nicoya at the mouth of the St. Lawrence River several kilometres off Anticosti Island, followed by the Dutch freighter Leto July July 4, 1942 Convoy PQ 17 is scattered in the Barents Sea leading to the loss of 22 Allied merchant ships. July 5, 1942 Six ships are sunk when convoy QP 13 strays into Allied minefield SN72 in the Denmark Strait. July 6, 1942 sinks three freighters off the Gaspé coast August August 8, 1942 U-boats sink eleven ships from convoy SC 94. August 15, 1942 sinks Balladier from convoy SC 95. August 16, 1942 sinks Baependy, a Brazilian merchant ship, killing 270 civilians. Few hours later, the same U-507 sinks another Brazilian passenger ship, the SS Araraquara, killing another 131 people, Followed hours later by the SS Annibal Benevolo, on which 150 civilians drowned. August 17, 1942 U-507 continues its slaughter, sinking another Brazilian merchant ship, the SS Itagiba at the