Convoy HG 53

Convoy HG 53 was the 53rd of the numbered series of World War II HG convoys of Homeward bound merchant ships from Gibraltar to Liverpool. Convoy HG 53 lost nine ships during a coordinated attack in February 1941. HG 53 was one of the few Atlantic convoys to have ships sunk by submarines, by aircraft, and by surface ships.
Background.
Twenty-one ships departed Gibraltar on 6 February 1941 bound for Liverpool and escorted by the and the sloop HMS "Deptford". The convoy commodore was Rear Admiral Sir OH Dawson aboard "Dagmar".
Action.
While southbound to African waters on the evening of 8 February German Type IX submarine sighted the convoy southwest of Cape St. Vincent and torpedoed the British freighters "Courland" and "Estrellano" after midnight. "U-37" reported the convoy to Bordeaux-Mérignac Air Base and commenced shadowing the convoy providing beacon signals for "Kampfgeschwader" 40. Five Focke-Wulf Fw 200 Condor bombers took off at dawn and found the convoy at noon southwest of Lisbon. The Fw 200s bombed from an altitude of because they lacked bombsights. Each flight mechanic fired at their target ship with a ventral machine gun during the approach to discourage anti-aircraft gunners; but one of the bombers was hit in a wing fuel tank and crash-landed in Spain when fuel was exhausted on the return trip. Six of the twenty bombs dropped hit ships, sinking the convoy commodore's freighter "Dagmar", the Norwegian freighter "Tejo", and British freighters "Britannic", "Jura", and "Varna". "U-37" sank the British freighter "Brandenburg" after dark and continued sending beacon signals for the . "Admiral Hipper" found and sank the straggling British freighter "Iceland" on 11 February.
Aftermath.
"Hipper" was distracted from further search by finding convoy SL 64 and sinking seven ships from that unescorted convoy. The escort of convoy HG 53 was reinforced by the on 18 February, by the on 20 February, and by the , the , and the HMS "Anemone" from convoy OG 53 on 22 February. The surviving 12 ships of convoy HG 53 arrived in Liverpool on 24 February 1941. Nine ships totaling 15,217 GRT had been sunk.