Patrol info for U-77
| Departure | Arrival / Fate | Duration | ||
| 6 Jun 1942 | La Spezia | 17 Jun 1942 | Salamis | 12 days |
| 23 Jun 1942 | Salamis | 9 Jul 1942 | Salamis | 17 days |
| 29 days | ||||
Commander | Officers * |
 Kptlt. Heinrich Schonder |
Daily positions, sinkings and allied attacks during the patrol of U-77
We have 27 daily positions for the 29 days U-77 was at sea.
Departure from La Spezia on 6 Jun 1942.
7 Jun 1942 - 8 Jun 1942 - 9 Jun 1942 - 10 Jun 1942 - 11 Jun 1942 - 12 Jun 1942 - 13 Jun 1942 - 14 Jun 1942 - 15 Jun 1942 - 16 Jun 1942 -
Arrival at Salamis on 17 Jun 1942.
Departure from Salamis 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 -
Arrival at Salamis on 9 Jul 1942.
Ships hit by U-77 during this patrol
| Date | U-boat | Commander | Name of ship | Tons | Nat. | Convoy | Map | ||
|---|---|---|---|---|---|---|---|---|---|
| 12 Jun 1942 | U-77 | Heinrich Schonder | HMS Grove (L 77) | 1,050 |  | br | MW-11 | A | |
| 1,050 | |||||||||
1 ship sunk (1,050 tons). | |||||||||
General Events during this patrol
1942
24 Jun 1942. The British submarine HMS Ultimatum fired a spread of four torpedoes from a distance of 7000 yards (6400m) at U-77 north of Tobruk in position 34°20N/24°09E. The submarine claimed a possible hit, but the U-boat only reported being shaken by two detonations at 07.10 hrs in grid CO 5365. Two torpedoes presumably detonated at the end of their run or on the seabed.
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Attacks on U-77 during this patrol
4 Jul 1942
HMS Thrasher (Lt. H.S. Mackenzie, DSO, RN) fired three torpedoes at U-77 in position 32º48N, 33º36E, which all missed. Thrasher then surfaced to engage with gunfire, but U-77 dived and escaped.
About this data
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See all patrols for U-77
* These are officers that later became commanders themselves.