Snestorm

Underway d. 1.jul.40 from Wilhelmhaven.
Bound for AM47.

D. 16.jul.40.
AM01
10.54. Radio. Convoy. AM18. East. 7 Knots.

AM18
16.02. Managed to find Convoy, and gain a forward position.
Problem 1: U37 is right in the Convoys path. (I prefer working from outside).
Problem 2: Heavy Fog set in.
Tryed to go deep and avoid, but my positions was (unintentionaly) perfect.
Made a U-turn to match the Convoy's Course, and started up from 90 Meters, at 2 Knots.
Preset the UZO to my 270, and Targets 090. 7 Knots (from Radio Report).
Range 300 (limit of visibility). (Torpedoes turn offsets the minimum range).
If anything happened into my preset Perescope it would get 3 x G7Es. Course 105.
Came up JUST outside the Convoy's Starboard Side.

17.23. Open Tubes 1, 2, 4. Periscope Depth (From 20 Meters).
17.26. Merchant. 7 Degrees past perfect. Fire! New Depth 101 Meters
17.27. Impact! Destroyed! Impact! Impact! Full Ahead.
17.28. "We have been detected". New Course 059.
17.42. Last D.C. heard.
17.59. "Warship moving away. Medium Range.

Result: Little Merchant (2.335 GRT).
Followed via Hydrophone and short surface runs until the situation was futile.
Fog wouldn't lift. Shallows and Aircraft Operating Range were closing in fast.

D. 19.jul.40. AM47
06.00. Arrived On Station. Heavy Fog!
Remain On Station until d. 25.jul.40.
Send Status Report and head North.

D. 27.jul.40. AM19.
12.19. Radio Report. Convoy. AM17. East. 7 Knots.
Full Ahead for AM18.

16.22. Radio Report. Convoy. AM18. East. 7 Knots.

AM18

18.52. Dive for Sound Check. "No Sound Contacts". (I don't man the hydrophones).

19.05. "Sound Contact. Merchant. 003. Moving Slow. Closing. Long Range."

20.27. Firing Tubes 5, 6. (G7A x 2). Target is T2 Tanker. Course 088. 7 Knots.

20.28. Torpedo Impact! (The other missed). No sinkings. (Daylight Submerged)

D. 28.jul.40.
02.01. Damaged Tanker Spotted. Lots of smoke. Hi Convoy!

02.51. Fire Tubes 1, 2, 4, on T3 Tanker. Course 086. 7 Knots. Dive! (Surface Attack).

02.53. 2 Impacts. T3 Tanker (11.673 GRT) Sunk. (G7E x 3)

04.38. Surface & Persuit.

AM27

05.58. Flower Class Corvette sighted. (Rear Escort)

06.55. V & W Class Destroyer sighted by me. Periscope Depth.

07.25. Fire Tubes 1, 3, 4. (G7A x 3) at T2 Tanker. Fire Tube 2 (G7E) at C3 Cargo.
T2 Tanker (10.817 GRT) Sunk. Course 086. 7 Knots.

07.53. Pass directly under Warship (nose to nose) undetedted. (102 to 113 Meters).

10.15. Surface & Send Patrol Report. All 12 Torpedoes Expended.
(Type IX(A) External Stern Tubes not reloadable
No external reloads carried. Ever!)

D. 12.aug.40.
20.00. Docked at Wilhelmshaven.

Patrol Results: 3 Ships Sunk. 24.879 GRT. 100% Hull Integrity.
U37 to date: 5 Patrols. 132.653 GRT.

For me, this boat is doing great. Ekstra happy with boat & crew.