Patrol info for U-66
| Departure | Arrival / Fate | Duration | ||
| 23 Jun 1942 | Lorient | 29 Sep 1942 | Lorient | 99 days |
Commander | Officers * |
 Kptlt. Friedrich Markworth |
1WO Oblt. Karl-Hartwig Siebold |
The translated war diary of U-66 for this patrol is available on our partner website: uboatarchive.net
Daily positions, sinkings and allied attacks during the patrol of U-66
We have 98 daily positions for the 99 days U-66 was at sea.
Departure from Lorient on 23 Jun 1942.
24 Jun 1942 - 25 Jun 1942 - 26 Jun 1942 - 27 Jun 1942 - 28 Jun 1942 - 29 Jun 1942 - 30 Jun 1942 - 1 Jul 1942 - 2 Jul 1942 - 3 Jul 1942 - 4 Jul 1942 - 5 Jul 1942 - 6 Jul 1942 - 7 Jul 1942 - 8 Jul 1942 - 9 Jul 1942 - 10 Jul 1942 - 11 Jul 1942 - 12 Jul 1942 - 13 Jul 1942 - 14 Jul 1942 - 15 Jul 1942 - 16 Jul 1942 - 17 Jul 1942 - 18 Jul 1942 - 19 Jul 1942 - 20 Jul 1942 - 21 Jul 1942 - 22 Jul 1942 - 23 Jul 1942 - 24 Jul 1942 - 25 Jul 1942 - 26 Jul 1942 - 27 Jul 1942 - 28 Jul 1942 - 29 Jul 1942 - 30 Jul 1942 - 31 Jul 1942 - 1 Aug 1942 - 2 Aug 1942 - 3 Aug 1942 - 4 Aug 1942 - 5 Aug 1942 - 6 Aug 1942 - 7 Aug 1942 - 8 Aug 1942 - 9 Aug 1942 - 10 Aug 1942 - 11 Aug 1942 - 12 Aug 1942 - 13 Aug 1942 - 14 Aug 1942 - 15 Aug 1942 - 16 Aug 1942 - 17 Aug 1942 - 18 Aug 1942 - 19 Aug 1942 - 20 Aug 1942 - 21 Aug 1942 - 22 Aug 1942 - 23 Aug 1942 - 24 Aug 1942 - 25 Aug 1942 - 26 Aug 1942 - 27 Aug 1942 - 28 Aug 1942 - 29 Aug 1942 - 30 Aug 1942 - 31 Aug 1942 - 1 Sep 1942 - 2 Sep 1942 - 3 Sep 1942 - 4 Sep 1942 - 5 Sep 1942 - 6 Sep 1942 - 7 Sep 1942 - 8 Sep 1942 - 9 Sep 1942 - 10 Sep 1942 - 11 Sep 1942 - 12 Sep 1942 - 13 Sep 1942 - 14 Sep 1942 - 15 Sep 1942 - 16 Sep 1942 - 17 Sep 1942 - 18 Sep 1942 - 19 Sep 1942 - 20 Sep 1942 - 21 Sep 1942 - 22 Sep 1942 - 23 Sep 1942 - 24 Sep 1942 - 25 Sep 1942 - 26 Sep 1942 - 27 Sep 1942 - 28 Sep 1942 -
Arrival at Lorient on 29 Sep 1942.
Ships hit by U-66 during this patrol
| Date | U-boat | Commander | Name of ship | Tons | Nat. | Convoy | Map | ||
|---|---|---|---|---|---|---|---|---|---|
| 9 Jul 1942 | U-66 | Friedrich Markworth |  | Triglav | 6,363 |  | yu | A | |
| 26 Jul 1942 | U-66 | Friedrich Markworth | Tamandaré | 4,942 |  | bz | B | ||
| 28 Jul 1942 | U-66 | Friedrich Markworth | | Weirbank | 5,150 |  | br | C | |
| 2 Aug 1942 | U-66 | Friedrich Markworth | HMS MTB-339 (d.) [Mine] | 32 | | br | D | ||
| 2 Aug 1942 | U-66 | Friedrich Markworth | HMS MTB-342 (d.) [Mine] | 32 | | br | E | ||
| 6 Aug 1942 | U-66 | Friedrich Markworth | Rozewie | 766 |  | po | F | ||
| 29 Aug 1942 | U-66 | Friedrich Markworth | | Topa Topa | 5,356 |  | am | G | |
| 30 Aug 1942 | U-66 | Friedrich Markworth | | Sir Huon | 6,049 |  | pa | H | |
| 30 Aug 1942 | U-66 | Friedrich Markworth | | West Lashaway | 5,637 | | am | I | |
| 31 Aug 1942 | U-66 | Friedrich Markworth | | Winamac | 8,621 | | br | TRIN-3 | J |
| 9 Sep 1942 | U-66 | Friedrich Markworth | | Peiping | 6,390 |  | sw | K | |
| 49,338 | |||||||||
9 ships sunk (49,274 tons) and 2 ships damaged (64 tons). Legend | |||||||||
General Events during this patrol
1942
25 Sep 1942. U-66 put a medical case ashore at El Ferrol, Spain.
Add more events! If you know of an interesting event either missing from this date or an upcoming event that you'd like to share please contact us. We continuously update these databases.
Attacks on U-66 during this patrol
We have no recorded attacks on U-66 duing this patrol.
If you believe we have omitted an attack on U-66 please let us know.
Mine-laying operations during this patrol
U-66 laid mines on the following dates during this patrol:
| Date | Start | End | Grid | Location | Mines |
|---|---|---|---|---|---|
| 20 Jul 1942 | 00h48 | 01h09 | ED 6913 | Port Castries, St. Lucia | 6 TMB |
See all patrols for U-66
* These are officers that later became commanders themselves.