Friday, 7 February 1941 - Lorient
The totals of this 4th war patrol with U 112 and 12th war patrol overall are:
Traveled surfaced: 3669,4sm - 14 days, 2h, 38min.
Traveled submerged: 171,1sm - 3 days, 12h, 47min.
Traveled total: 3840,5sm - 17 days, 15h, 25min.
Total of 15 ships for 109826ts sunk!
Of that from Op. against convoys SC19/20:
- 1 Aircraft Carrier of 26518ts, 1 Heavy Cruiser of 13300ts and 1 Corvette of 950ts sunk.
- 1 Tanker of 8229ts and 9 cargo ships of 47343ts sunk.
- 3 cargo ships of together 20726ts torpedoed.
Independently travelling ships:
1 Tanker of 8286ts and 1 merchant of 5200ts sunk and 1 merchant of 3019ts damaged with the deck gun.
Torpedo hits: 18 (15 ships sunk and 4 damaged)
Torpedo misses: 1 when the convoy was turning away.
Torpedo failures:
- 1 Ato (Pi-G7H) hit but failed to ignite,
- 1 Ato understeered in calm sea and
- 1 Eto understeered in heavy sea.
Crash Dives: 4
- 2 from airplanes in the Bay of Biscay,
- 1 from convoy escorts and
- 1 from an armed merchant.
Depth Charges: In all, 54 Wabos were dropped on the boat, inflicting no damage, 6-8 Wabos per drop, depth of about 130m.
Pressure hull damage: 89.58% (Accumulated: 32.78%) + 11 days (Sunday, 16 February 1941).
Honour points: 1318.56 (Accumulated: 20758.47).
Kptlt.&Cmdr.