Patrol info for U-503
| Departure | Arrival / Fate | Duration | ||
| 28 Feb 1942 | Bergen | 15 Mar 1942 | Lost | 16 days |
Commander | Officers * |
 Kptlt. Otto Gericke |
Daily positions, sinkings and allied attacks during the patrol of U-503
We have daily positions for all 16 days on this patrol.
Departure from Bergen on 28 Feb 1942.
1 Mar 1942 - 2 Mar 1942 - 3 Mar 1942 - 4 Mar 1942 - 5 Mar 1942 - 6 Mar 1942 - 7 Mar 1942 - 8 Mar 1942 - 9 Mar 1942 - 10 Mar 1942 - 11 Mar 1942 - 12 Mar 1942 - 13 Mar 1942 - 14 Mar 1942 -
Sunk on 15 Mar 1942.
Ships hit by U-503 during this patrol
General Events during this patrol
We have no events listed for this patrol.
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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.
About this data
If you believe we have missed an attack on a German U-boat in this listing please let us know.
See all patrols for U-503
* These are officers that later became commanders themselves.