Patrol info for U-409
| Departure | Arrival / Fate | Duration | ||
| 18 May 1943 | Brest | 21 May 1943 | Brest | 4 days |
| 26 May 1943 | Brest | 11 Jun 1943 | Toulon | 17 days |
| 21 days | ||||
Commander | Officers * |
 Oblt. Hanns-Ferdinand Massmann |
Daily positions, sinkings and allied attacks during the patrol of U-409
We have daily positions for all 21 days on this patrol.
Departure from Brest on 18 May 1943.
19 May 1943 - 20 May 1943 -
Arrival at Brest on 21 May 1943.
Departure from Brest on 26 May 1943.
27 May 1943 - 28 May 1943 - 29 May 1943 - 30 May 1943 - 31 May 1943 - 1 Jun 1943 - 2 Jun 1943 - 3 Jun 1943 - 4 Jun 1943 - 5 Jun 1943 - 6 Jun 1943 - 7 Jun 1943 - 8 Jun 1943 - 9 Jun 1943 - 10 Jun 1943 -
Arrival at Toulon on 11 Jun 1943.
Ships hit by U-409 during this patrol
General Events during this patrol
We have no events listed for this patrol.
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Attacks on U-409 during this patrol
We have no recorded attacks on U-409 duing this patrol.
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See all patrols for U-409
* These are officers that later became commanders themselves.