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Old 05-20-23, 12:30 PM   #433
Kapitän
The Old Man
 
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Default U 115 - First War Patrol (2nd leg) - Attacked by Carrier-based A/C

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

+++++++

U 115
- KTB -
First War Patrol
(17th war patrol overall)

Wednesday, 19 May 1943 - Southwest of the Canary Islands

0840 - Early Morning Dawn. Setting Full Moon in WSW.

0942 - Sunrise. Weather and Sea unchanged in 11h.

1200 - Qu.3695DS - Days Run: 177.2nm - ↗ 170.7nm (21h 50') - ↘ 6.5nm (2h 10')
Total: 2763.1nm (14tg 22h) - ↗ 2656.1nm (13tg 7h 34') - ↘ 107.0nm (1tg 14h 26')
470cbm (2cbm in 24h); Course 211°; Battery 82.9%; 3xT-3, 2xEtoFat, 1xT-4; 9xBold; NNW7/6 medium swell, clear light haze, medium visibility, >1000mb.

1212 - F.T. from U 954: To B.d.U.:
After Wabo attack by escort, heavy water entry, unable to dive. - Loewe -

Cmdr.: B.d.U.'s youngest son Peter, is Watch Officer on U 954.

1313 - F.T. from U 273: To B.d.U.:
Surprised by aircraft. Bombs. After section and 15 men gone. Sinking. - Rossmann -

1601 - Change of Watch - Wind and Sea subsiding.

1900 - WNW1/1, clear light haze, good visibility, >1000mb.

2113 - Qu.3975DS - Crash Dive for training. T=10 after 39sec.

2116 - A-Meter. Setting for T=20 with 96rpm.

2127 - At Reception Depth (60m in 10min. at 96rpm).

2133 - Surfaced after 20min. and 1.1nm.
SW1/1, clear light haze, good visibility, >1000mb.

2136 - Compressed Air Supply filled.

2138 - Test Run of main diesels acc. B.d.U.-Standing Order No.510. 185RPM/Small-Ahead/7kn.

2140 - 285RPM/1/3-Ahead/10kn.

2145 - 375RPM/2xH.F./13kn.

2150 - 455RPM/Full-Ahead/16kn.

2155 - 496RPM/A.K./18kn/30min.

2225 - Reducing speed in speed settings of 5min. decrements.

2240 - 2x225RPM/8kn.

2304 - Sundown. Weather and Sea unchanged in 1.5h.

2309 - New Course 180°.

2310 - Charging batteries (82.9%):
Stbd.-Charging, 496RPM; Port-Propulsion, 285RPM/8kn.

RST
KorvKpt.& Cmdr. U 115
Started new career in August 2019 to commemorate the beginning of WWII, 80 years before ...

+++++++

U 115
- KTB -
First War Patrol
(17th war patrol overall)

Thursday, 20 May 1943 - North of the Cape Verde Islands

0050 - Batteries charged (1h 40min. for 17.1%). 2x225RPM/8kn.

0900 - Early Morning Dawn.

0957 - Sunrise. SSW1/1, clear light haze, good visibility, >1000mb.

1000 - Qu.6593DS - Crash Dive for training. T=10 after 39sec.

1003 - A-Meter.

1005 - Setting for T=20 with 96rpm.

1015 - At Reception Depth (60m in 10min. at 96rpm).

1020 - Surfaced after 20min. and 1.1nm.
SW1/1, clear light haze, good visibility, >1000mb.

1023 - Compressed Air Supply filled. Battery 97%. 2x225RPM/8kn.

1200 - Qu.6833DS - Days Run: 198.0nm - ↗ 195.8nm (23h 20') - ↘ 2.2nm (40')
Total: 2961.1nm (15tg 22h) - ↗ 2851.9nm (14tg 6h 54') - ↘ 109.2nm (1tg 15h 06')
468cbm (2cbm in 24h); Course 180°; Battery 97%; 3xT-3, 2xEtoFat, 1xT-4; 9xBold; SW1/1, clear light haze, good visibility, >1000mb.

1957 - Qu.9236DS center right - "ALARM!" for carrier-based airplane approaching from 80°true. Is already very close (no FuMB Detection or Magic Eye). Turning hard to port and A.K. toward the approaching airplane. Machine Gun Fire. After the fly-over, crash diving to A-Meter.

2000 - At A-Meter, 2 bombs behind the boat - no damages.
Returning to general course at 96rpm/2kn.

2035 - A-20 and course 180°.

2137 - Reception Depth.

2142 - Surfaced after 1h 45min. and 4.6nm.

2143 - Boat ventilated.

2147 - Compressed Air Supply filled. 2x225RPM/8kn.

2215 - Qu.9239DS bottom right - FuMB Detection in 36°true, E=10000 (no Magic Eye).

2216 - "ALARM!" for carrier-based airplane approaching from 33°true, E=5100, direct approach.

2218 - At A-Meter, 2 bombs behind the boat. No damages.

Cmdr.: The direct approach by both airplanes indicate, that even carrier-based airplanes seem to have some kind of radar installed. I therefore haven given the order to immediatly dive upon FuMB and/or Magic Eye Detection.

2239 - A-20.

2301 - Reception Depth.

2306 - Surfaced after 50min. and 2.4nm.

2307 - Boat ventilated.

2312 - Compressed Air Supply filled.

2305 - Incoming Radio Reports:

From O.K.W.:
a) The Chinese have launched a counter-offensive along the Yantze river.

From O.K.M.:
a) The Italian Navy withdrew all its personnel from Yalta, Ukraine; all of the Italian torpedo boats were given to the German Navy in the region.

B-Dienst Report:
a) Yesterday, Battleship USS Alabama (BB-60) arrived at Scapa Flow.

2312 - Sundown. Weather and Sea unchanged in 11h.

2314 - Charging batteries (91.4%): Stbd.-Charging, 496RPM; Port-Propulsion, 285RPM/8kn.

2356 - Batteries charged => 42min. for 8.6%. 225RPM/8kn.

RST
KorvKpt.& Cmdr. U 115
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Last edited by Kapitän; 05-20-23 at 12:32 PM. Reason: Forgot headline
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