Patrol info for U-503
Date lookup for 15 Mar 1942
| Departure | Arrival / Fate | Duration | ||
| 28 Feb 1942 | Bergen | 15 Mar 1942 | Lost | 16 days |
Commander | Officers * |
 Kptlt. Otto Gericke |
U-503's position on 15 Mar 1942
Ships hit by U-503 on this date
General Events during this patrol
We have no events listed for this date.
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Attacks on U-503 during this patrol
15 Mar 1942
The sinking of U-503
The boat was bombed and sunk south-east of Newfoundland by a PBO-1 Hudson (VP-82 USN, pilot CPO Donald F. Mason, DFC, USNR) from Argentia escorting convoy ON 72. The PBO-1 Hudsons were 20 Hudson Mk.IIIAs diverted from Lend-Lease to equip USN Sqdn VP-82, and were responsible for the first two U-boat sinkings by US forces: U-656 on 1 March and U-503 on 15 March 1942.
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* These are officers that later became commanders themselves.