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Old 02-02-21, 04:12 PM   #5787
Kapitän
The Old Man
 
Join Date: Mar 2010
Location: Frankfurt, Germany
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Default U 112 Type IXB 1941/2021 - 4th War Patrol - Convoy battle

Quote:
Originally Posted by Kapitän View Post
Started a new career in August 2019, to commemorate the beginning of WWII, 80 years ago ...

++++

KTB - U 112

- continued from 31 Jan. 1810h -

1837 - Qu.1795AM - Turning boat to heading 0°, in order to bring the stern torpedoes to bear.
"Battle Stations!".
Own course 180°; own speed 1.6kn astern.
Shooter: Ob.Ltnt.z.S. & I.W.O. Emmo MARBACH.

1855 - Shot with Tube V+VI, G7a, K-a/G7H (contact fuse); Running depth 4m; Vt30kn.
Target ship: A Standard Merchant in the second stbd. column.
Target course 88°; Target distance 5500m; Target angle red65°; Target speed 7kn; Firing angle 10/9°.

Distance to the Corvette is 2400m. Running off on course 47° and 2xH.F.-Ahead.

Both torpedoes are hits after 5min., 18sec.

The steamer explodes and breaks in two, both halves sink within 1 min.

1905 - On course 88°, 1/3-Ahead. Reloading Tubes V+VI until 1922h.

1948 - The Corvette runs back to the convoy. Attack run with Full Speed Ahead. The convoy is still zig-zagging. Breaking off attack, running off on course 88°.

Cmdr.: "The convoy has changed its formation: The large targets are now all running on the stbd. side of the convoy, also, the two torpedoed Ami's. The aft V&W Destroyer has also taken up station on the port flank of the convoy."

2008 - Convoy stopped zig-zagging. Water depth is 150m. It seems that the forward sweeper has disappeared. At a distance of 3200m to the Flower Corvette, the forward sweeper comes back in sight, it was on ASW action behind the convoy, is now returning and back on station in front of the convoy at 2013h.

2020 - Turning boat to heading 0°, in order to bring the stern torpedoes to bear.
Own course 001°; own speed 4kn ahead.
Shooter: Ob.Ltnt.z.S. & I.W.O. Emmo MARBACH.

2029 - Shot with Tube V+VI, G7a, K-a/G7H (contact fuse); Running depth 4m; Vt30kn.
Target ship: A Standard Merchant in the second stbd. column.
Target course 88°; Target distance 6000m; Target angle red73°; Target speed 7kn; Firing angle 359°.

Tube V is a hit midships after 6min.
Tube VI is a failure, understeers.

The steamer is burning but keeps going. Running off on course 103°. "Dismissed from Battle Stations!".

- to be continued -
Started a new career in August 2019, to commemorate the beginning of WWII, 80 years ago ...

++++

KTB - U 112

- continued from 31 Jan. 2029h -

2103 - The forward sweeper returns from ASW action, the Flower Corvette stayed on station during this time.

2142 - The convoy stopped zig-zagging. On course 88°.

2212 - Turning a full circle to port. "Battle Stations!".

2222 - Qu.1874AM - Own course 176°; own speed 7kn ahead.
Shooter: Ob.Ltnt.z.S. & I.W.O. Emmo MARBACH.

2223 - Shot with Tube III, G7a, K-a/G7H (contact fuse); Running depth 4m; Vt30kn.
Target ship: The Standard Merchant torpedoed at 2035h, in the second stbd. column.
Target course 88°; Target distance 4000m; Target angle red79°; Target speed 7kn; Firing angle 357°.

After the shot, running off hard to port and Full Speed Ahead. Distance to the closest ship is a mere 1900m. As we are positioned above the Rockall Bank, the water depth here is only 60m!

The torpedo is a hit after 4min, 22sec.!

Cmdr.: "Just before the torpedo hits, the convoy begins zig-zagging and search lights are illuminated. The torpedo strikes the target ship just at the bow but that is enough: The steamer explodes and breaks in two."

2255 - On course 70°. The forward sweeper is on ASW action along the port flank of the convoy, as the convoy is in disarray. The Flower Corvette returns from a search pattern. Water depth here is 46m. "Dismissed from Battle Station!".

2331 - Rockall Bank - Water depth is 23m and at 2352h it is 39m.

RST
Kptlt.&Cmdr.
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