Snestorm

27.feb.40
AN98
2210: Underway from Wilhelshaven for the waters SW of England and W of Spain.
Magnetic pistols retained on all torpedoes. 9 G7E. 3 G7A.

4.mar.40
AF72
0500: Ahead Standard (10 - 11 knots).

7.mar.40
AM22
0700: Ahead One Third (6 - 7 knots).
Færøerne well astern.
No incidents with enemy aircraft.

9.mar.40
AM51
0810: "Ship spotted! 238. Long range." Freighter.
Turning bow on for inspection under Prize Law.
Ship IDed as C3 Cargo. Nationality determined to be english.
Target attemps to ram. Too rough for deck gun.
U37 dives, monitors target on hydrophone, and waits.

0920: Surface. Estimated course of target is 268. making 9 knots.
1213: New depth 15 meters.
1214: New course 177. Open tubes 5 & 6 (TI G7A). New depth 12 meters.
1223: Fire 5 & 6 (TI G7A) individualy. Depth 4 meters.
1224: 2 impacts! 1 bow hit, 1 midships hit.
1225: New course 267.
1229: Target speed reclassified from medium to slow.
1235: Surface. Target lies 1500 meters ahead, at 045 R.
1243: Speed estimate 6 knots.
1259: Targets speed at, or below 5 knots.
1320: New course 002. Back Full. Open tube 2 (TII G7E).
1322: Ahead Slow (3 knots).
1323: Fire 2, without speed setting, depth 4 meters.
Impact! just aft her funnel. Torpedo run 45 seconds.
AM393
C3 Cargo.

1327:
From: U37
To: BDU
1 freighter sunk this day for 7.000+ GRT.
8 G7E, and 1 G7A remaining.

1417:
From: BDU
To: U37
1 freighter sunk in all for 7.909 GRT.


12.mar.40
BE38
0857: "Ship spotted! 357. Long range." Corvette, broadside.
New depth 15 meters.
0858: Convoy detected on hydrophones.
0917: Open tubes 1, 2, 4 (TII G7E). Set depth 4 meters. AOB 90 Stb.
Our heading 265. Estimated enemy course 155, at 6 knots.
0924-0925: Fire 2! Fire 4! Fire 1! (Target = T2 Tanker).
0925: Premature! Premature! New depth 100 meters. 5 degree Left Rudder.
We have a Corvette astern!
0928: Impact! Torpedo run 2 minutes, and 45 seconds.
1002: 4+ escorts in all. 1+ Destroyer. 1+ Corvette.
1033: Straggler detected at 330 R (We are following on convoy's track).
Begin reloading tubes.
1036: At Silent Speed, we are gaining! Contact at 328 R.
1050: Tanker in periscope. ID changed from T2 to T3 Tanker.
1134: Target declared to be stationary by Hydrophone-man.
1142: Fire 2! Depth set at 6 meters.
1144: Explosion! Torp run 1 min, and 53 sec. No apparent effect. Surface!
1145: "We've been detected!"
1149: Fire 4! Depth set to 4 meters. Target at 90 degrees, stopped DIW.
1151: Explosion! Torp run 2 min, and 5 sec. No apparent effect.
1152: Dive! Resume course 255.
1158: "Sound contact! Warship. 359. Medium speed. Long range. Closing."
1159: New depth 100 meters.
1209: Starboard to starboard passage with warship, at short range.
1213: He's at the tanker, and coming back.
1221: He passed our port side at short range, and continued toward the convoy.
1251: New approach. 15 degrees off his bow. Depth set to 11,6 meters.
1252: Fire 2! (TII G7E).
1254: Explosion! Torp run 2 min, and 6 sec. Target showing a heavy bow.
1316: Fire 4! (TII G7E). Same setting as last shot. Impact!!!
1319: T3 Tanker finaly sinks! And it "only" took 7 G7Es?!!!

1337:
From: U37
To: BDU
T3 Tanker sunk for 11.000+ GRT.
7 elctric torpedoes expended.
2 prematures. Simple bow on shot.
2 exploded without apparent effect. Simple bow on shot.
1 brought target to a stop. Simple bow on shot.
1 exploded with unknown effect. 15 degree AOB, 0,9 meters below target.
1 exploded with great effect. 15 degree AOB, 0,9 meters below target.
(or perhaps struck target, as she laid low in the water.)
Wind 9 M/S.
1 G7E, and 1 G7A remaining.

1406:
From: BDU
To: U37
T3 Tanker credited at 11.653 GRT
Continue patrol into CF3000, and CF6000.

BE62
2110: Save & Exit.