Operation Hartmut. Radio traffic and sailing. Only a lucky shot gave me destroyer tonnage.
Patrol 5
U-55, 7th Flotilla
Left at: April 2, 1940, 09:35
From: Wilhelmshaven
3.4.1940
23:27 Ship spotted. AN 4623
4.4.1940
00:20 Fired tube II against large freighter. G7a, Range 900m, Speed 7 kts, AoB green 90. Definite detonation failure as torpedo exploded behind the target.
00:23 Fired tube III. G7a , Range 1200m, Speed 7 kts, AoB green 100. Likely detonation failure.
00.34 Large freighter sunk with gunfire. AN 4389
10.4.1940
00:30 Positioned front of Vestfjörden. AF 3798
21:09 Ship spotted. AF 3729
21:17 Small fishing trawler. Not worth attacking.
23:09 Task force of four destroyers spotted. AF 3761
23:17 Fired tubes III and IV against destroyer. G7a, Range 1300m, Speed 27 kts, AoB green 90. One hit which sunk a destroyer.
23:18 Detected. Crash dive. AF3761
11.4.1940
01:04 Sustained a depth charge attack. No damage. AF 3762
12.4.1940
03:00 Received new orders. Deploy to defend Harstad. AF 3735
13.4.1940
20:45 In position north of Harstad.
16.4.1940
16:47 Received new orders. Patrol grid AF 53
18.4.1940
17:00 Arrived operations area.
24.4.1940
01:11 Received new orders. Patrol grid AF 81
25.4.1940
21:50 Arrived operations area. AF 8133
26.4.1940
12:02 Ordered to withdraw from Norway. Returning to base. AF 8139
30.4.1940
08:10 Docked at Kiel.
Patrol results
Crew losses: 0
Ships sunk: 2
Aircraft destroyed: 0
Patrol tonnage: 11052 tons
Ships sunk:
SS Umtali (Large Merchant), 9677 tons.
HMCS Restigouche (C&D classes), 1375 tons.
Oberleutnant z. s. Siegfried Strand
U-5 (3 patrols)
U-55 (2 patrols)
Career Tonnage: 36 482 tons
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Himmel, sukeltakaa!
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