Departure from Brest on 8 May 1943.
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Sunk on 20 Jul 1943.

We have no events listed for this patrol.

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14 Jul 1943
The boat was attacked by a British Wellington bomber (RAF Sqdn 179/M) off Lisbon. AA fire damaged the aircraft, which dropped depth charges without damaging U-558. (Sources: Franks/Zimmerman)

17 Jul 1943
The boat was attacked by a British B-24 Liberator bomber (RAF Sqdn 224/P, pilot W/C A.E. Clouston, DFC, AFC) off Porto, Portugal. The aircraft bombed in bad weather from 300ft (91m) using radar and straddled the boat with 24 35lb A/S bombs. The remaining bombs hung up in a second attack, and the boat escaped with minor damage by crash-diving. AA fire and splinters from its own bombs hit the Liberator 31 times in the wings, fuselage and engines. (Sources: Franks/Zimmerman)

20 Jul 1943
Aircraft attack, aircraft shot down:
American B-24 Liberator (19th A/S Sqn USAAF/B, pilot Lt H.E. Dyment)

The aircraft was apparently lost with its crew of ten after depth charging the inbound U-558 in the Bay of Biscay. The boat was sunk shortly afterwards in further air attacks. She was attacked by five aircraft in one week, shooting down one and damaging three. (Sources: Franks/Zimmerman)

20 Jul 1943
The sinking of U-558

Approx 1200 hrs, Bay of Biscay, inbound: despite having the port inner engine stopped by flak, an American B-24 Liberator (19th A/S Sqn USAAF/F, pilot Lt C.F. Gallmeier) dropped seven depth charges which caused severe damage and left the boat unable to dive. While the Liberator was returning to base, British Halifax DT642 (RAF Sqdn 58/E, pilot F/L G.A. Sawtell) dropped a further eight depth charges, which finished off U-558. The only survivors were the commander, the 2 WO and three ratings. They were sighted by an RAF Liberator piloted by S/L T.M. Bulloch on 24 July and his report resulted in their rescue the day after by HMCS Athabaskan.

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