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Old 07-12-23, 02:48 PM   #11
Kapitän
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Default U 115 - First War Patrol (2nd leg) - Allied forces advancing in the Pacific

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

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

Wednesday, 30 June 1943 - South of Durban -

0310 - Qu.8187KZ -

1110 - F.T. from O.K.M.:
a) C-in-C has ordered the fragmentation of the Uboats force, in order to force dissipation of the enemy ASW forces. Re-fueling to be done in the South-Atlantic.
b) Because of the loss of U 194 (Kptlt. Hermann Hesse) and U 200 (IXD2; KrvKpt. Heinrich Schonder) and previous experiences, C-in-C has ordered with immediate effect, that no boat is to put out without quadruple mounted guns. A temporary postponement of operational orders for 3 to 4 weeks and a hold up in German shipyards must be taken into account.
The intention of sending several boats through the Channel, i.e. under strong escort at night and lying on the bottom during the day, is postponed for the time being as:
1) The prevailing moon quarter is unsuitable for such an undertaking.
2) The necessary forces are not available for the escort groups at such short notice. Further, the first attempt should not be made with a IXd2 (U 847; Kptlt. Herbert Kuppisch). The first breakthrough will probably take place during the next new moon period.
3) C-in-C has also ordered that the 4 boats, U 387, 277, 307 and 713 at present outward bound in the North Sea are to be temporarily placed at the disposal of S.O. U-boats Norway. S.O. U-boats Norway is planning the execution of several minelaying operations in the Kara Sea.

1145 - Early Morning Dawn -

1200 - Qu.8226KZ - Days Run: 193.6nm - ↗ (24h)
Total: 10077.7nm (56tg 22h) - ↗ 9672.9nm (50tg 13h 25') - ↘ 404.8nm (6tg 08h 35')
Course 87°; 444.5cbm (2.5cbm in 24h); Battery 100%; 2xEtoFat; 8xBold.
SSE4/3, clear, visibility 4.5nm, >1000mb (Weather & Sea unchanged in 6d 13h)

1247 - Sunrise. Weather and Sea unchanged.

1300 - Qu.8234KZ - Diving for torpedo maintenance and trial dive.

1305 - T=49. Beginning torpedo maintenance.

1400 - Tube V serviced (EtoFat/Pi39H). - Break until 1409 -

1500 - Tube VI serviced (EtoFat/Pi39H).

1505 - Beginning of Trial Dive acc. B.d.U. Standing Orders No.507 and No.308. 145rpm.

1547 - Boat is safe and secure at 2A-Meter.

1550 - Setting for T=20 with 96rpm.

1606 - Reception Depth.
Battery 91.4%, Compressed Air Supply 300Atü(!), CO₂ 1.5%.

Cmdr.: L.I. reports that the Compressed Air Supply Gauge is faulty. Seems to be stuck at full. Repair is ongoing.

1610 - Qu.8235KZ - Surfaced from S-Tiefe after 3h 10' and 9.0nm. Weather and Sea unchanged.

- to be continued -


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, 30 June 1943 - South of Durban -

- continued from 30 June, 1610 -

1615 - Boat ventilated. Testing main diesels acc. B.d.U.-Standing Order No. 510. Running diesels up and back down in 5min. intervals:
- 1/3-Ahead, 285RPM, 10kn/10.0kn
- 2xH.F., 375RPM, 13.3kn/13.3kn
- Full-Ahead, 455RPM, 16.4kn/16.4kn
- A.K., 496RPM, 18.2kn, from 1630 until 1700.

1715 - 235RPM/8kn.

1840 - Qu.8315KZ -

2218 - Sundown. Weather and Sea unchanged.

2311 - Incoming Radio Reports:

From O.K.W.:
a) US occupation troops arrived early at Nono, New Georgia, Solomon Islands and will join the US Marine Corps 4th Raider Battalion on the planned attack on Viru Harbor; nearby on the island of Vangunu, Companies N and Q of the US Marine Corps 4th Raider Battalion and 2nd Battalion of US Army 103rd Infantry Regiment landed unopposed near Oloana Bay; they will capture Wickham Anchorage by the end of the day. On Rendova Island, elements of the US Army 172nd Infantry Regiment, US Army 103nd Infantry Regiment, US Navy 24th Naval Construction Battalion, and US Navy 9th Defense Battalion landed against light resistance; Japanese aircraft attempted to disrupt landing operations, but they were intercepted by aircraft of US Marine Fighter Squadrons 121, 122, 213, and 221.
b) The Wehrmacht authorised the issue of the 21 cm Nebelwerfer 42 rocket launcher.

From B.d.U.:
a) U 180 (IXD1; Fregkpt. Werner Musenberg) was attacked by carrier borne aircraft in BF 7564. The boat reported strong air escort. It is to be picked up by our destroyers in BF 7643 and escorted to Bordeaux.
b) U 511 (Kptlt. Fritz Schneewind) received freedom of action. Attacks are forbidden, however, S. of the communicating line from KS 33 to LQ 58, owing to Eastbound tanker "Schliemann".
c) U 188 (Kptlt. Siegfried Lüdden) is the first Monsoon boat to put out from Lorient, following U 115. - See Monsoon Appendix. -

B-Dienst Report:
a) The United States Marine Corps reported the active duty strength of 21,384 officers and 287,139 enlisted, for a total of 308,523 personnel.

RST
KorvKpt.& Cmdr. U 115
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