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Old 05-18-23, 07:30 AM   #431
Kapitän
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Default U 115 - First War Patrol (2nd leg) - U-Stahl reports A/C shot down; U-Clausen is lost

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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)

Monday, 17 May 1943 - West of Madeira

0810 - Early Morning Dawn.

0909 - Sunrise. Weather and Sea unchanged in 17h.

1130 - Wind and Sea increasing, shifting East.

1200 - Qu.6974DG - Days Run: 193.4nm - ↗ (24h)
Total: 2425.2nm (12tg 22h) - ↗ 2337.7nm (11tg 14h 44') - ↘ 87.5nm (1tg 7h 16')
474cbm (3cbm in 24h); Course 211°; Battery 97%; 3xT-3, 2xEtoFat, 1xT-4; 9xBold; ESE7/6, medium swell, clear, light haze, good visibility, >1000mb.

1501 - ENE7/6, medium swell, clear, light haze, good visibility, >1000mb –
F.T. from U 460: To B.d.U.:
Alarm for aircraft. Lost contact to convoy ONS.7. - Nagel -

1704 - F.T. from U 128: To B.d.U.:
Attacked by destroyer out of a rain squall. Sinking. - Steinert –

According to B-Dienst Report, U 128 (Oblt. Hermann Steinert), was sunk by enemy aircraft and patrol boat, south of Recife, Brazil, in FJ 68 and FJ 59.

1838 - F.T. from U 528: To B.d.U.:
Boat attacked from aircraft and destroyer. Not able to dive. Scuttling the boat. - Rabenau -

1912 - F.T. from U 646: To B.d.U.:
Surprise attack from airplane. Direct approach. Casualties and sinking. - Wulff -

Cmdr.: Something is going on. Why all of these sudden and unexplainable sinkings of our boats?! It must have something to do with the B.d.U.-F.T. from 15 May 1317.

2101 - Qu.9289DG top left - Destroyer bearing 284°, E=5300, medium speed, on course North. Further FuMB Detections (no Magic Eye).
Turns out to be a Hunter/Escort Group of five destroyers traveling in line abreast, no detection.

2105 - Running off on course WNW, as attack conditions are unfavourable: Daylight and high sea and swell.

2115 - Continuing on course 211°, 2x225RPM/8kn.

2137 - Outgoing F.T.: To B.d.U.:
Sunderland on 15.5. 1214 Qu.1255DH bottom right, 1802 Qu.1515DH bottom right, and on 16.5. 0007 Qu.1496DH center left, each time on westerly heading. On 17.5. 2101 Qu.9289DG top left Hunter Group 5 Destroyers abreast on northerly heading medium speed. 473cbm and 6 eels. Switching to Circuit Amerika-II. ENE7/6, medium swell, clear light haze, visibility 3nm, >1000mb. Continue outbound transit acc. Op. Orders. - RST -

2244 - Sundown. Weather and Sea unchanged in 8h.

2305 – Incoming Radio Reports:

OKW-Report:
a) Our troops in the Balkans launch their 5th Offensive against Tito's partisans.
b) The Luftwaffe bombards Cardiff, Wales, with 89 airplanes.

B.d.U.-Report:
a) U 198 (IXD2; Kpt.z.S. Werner Hartmann): Reported sighting at 1400 in KP 8441 a convoy of 6 ships with southerly course and slow speed. She fired 2 two fan torpedoes on 2 large vessels, together 12,000 GRT. Sinking hydrophoned but not observed owing to defence activity. Subsequently air patrol. Commanding Officer confirmed with certainty deterrent depth charges at the convoy 2 hours after attack.
b) According to an enemy U-boat situation report of the 15th May, the enemy surprisingly knew exactly the disposition of the Groups "Danube 1 and 2". The Groups are ordered to maintain radio silence except for important tactical messages.

B-Dienst Report:
a) Enemy U-boat sightings: AL 3828, AM 5111, AL 39, BE 51, BB 30, FC 78, FC37.
b) Enemy Aircraft in the Iceland area reported 3 U-boat sightings and a depth-charge attack, probably with hits. At 2105 on the 13th May a further aircraft attacked a U-boat with depth charges. Auxiliary Aircraft Carrier USS Bogue (CVE-9) arrived at Hvalfjöršur, Iceland, where she stayed just one night.

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)

Tuesday, 18 May 1943 - West of the Canary Islands

- 2nd week at sea completed -

0700 - Qu.9577DG - Diving for torpedo maintenance and trial dive.

0705 - T=50. Beginning torpedo maintenance.

0756 - Tube I serviced.

0813 - Tube II pulled - Watch Change -

0849 - Tube II serviced.

0924 - Sunrise.

0940 - Tube III serviced (tubes I-III are T-3/Pi39H) - Break until 1000 -

1051 - Tube V serviced (EtoFat/Pi39H).

1142 - Tube VI serviced (T-4/Pi39H).

1148 - Reception Depth. CO₂ Warning at 1.7% (after 4h 48min.).

1200 - Qu.9736DG - Days Run: 160.7nm - ↗ 147.7nm (19h) - ↘ 13.0nm (5h)
Total: 2585.9nm (13tg 22h) - ↗ 2485.4nm (12tg 9h 44') - ↘ 100.5nm (1tg 12h 16')
472cbm (2cbm in 24h); Course 211°; T=20; CO₂ 1.7%; Battery 88.6%; 3xT-3, 2xEtoFat, 1xT-4; 9xBold.

1300 - Beginning of Trial Dive acc. B.d.U. Standing Order No.507 & 308. 145rpm/3kn.

1345 - Boat is safe and secure at 2A-Meter. Setting for T=20 with 96rpm.

1403 - At Reception Depth (140m in 17min. at 96rpm).

1410 - Surfaced after 2h 10min. and 6.5nm - since Etmal; Total 7h 10min. and 19.5nm.
CO₂ 2.0%; Compressed Air 280 Atü; Battery 82.9%; Weather and Sea unchanged.

1413 - Boat ventilated and Compressed Air Supply filled (3min. for 20 Atü). 2x225RPM/8kn.

2256 - Sundown. NNW7/6 medium swell, clear light haze, medium visibility, >1000mb.

2305 – Incoming Radio Reports:

From O.K.W.:
a) Japanese Forces launch an offensive along the Yangtze River, about 400km northeast of the Nationalists Capitol of Chungking.

From B.d.U.:
a) U 648 (Oblt.d.R. Peter-Arthur Stahl) while entering the Bay of Biscay shot down a Whitley at 1424h in BF 4543, after dropping four depth charges, none of which caused any damage. The crew of six were all killed.
b) U 198 (IXD2; Kpt.z.S. Werner Hartmann) was driven off during night attack on convoy, reported yesterday in KP 8541, by aircraft using searchlights. During the night aircraft were continuously located but none approached. During the day active sea and air reconnaissance up to 50 miles from the coast. U 178 (IXD2; KrvKpt. Wilhelm Dommes) was detected by two aircraft carrying lights. She suspected cooperation of air cover with convoy of U 198. (Unlikely, since positions were too far apart). U 195 (IXD1; KrvKpt. Heinz Buchholz) is to operate in the area S. of Madagascar. Passage thence making long legs, sweeps under the coast. The attention of boats in the Capetown area is drawn to the fact that in Lourwence Marques and other harbors ships are delayed owing to U-boat warning and therefore, heavy traffic is to be expected off the harbors at times.
c) U 182 (IXD2; Kptlt. Asmus Nicolai Clausen) has probably been lost - has been at sea for over 5 months. According to an intercepted message, a U-boat was bombed on the 15th May in DH 4365 by a British aircraft which scored two hits. According to dead reckoning, U 182 was in this position. She was asked for her position but did not report again after the attack. She must be considered lost.
d) U 214 (VIID; Oblt. Rupprecht Stock) has put out for minelaying operations off Dakar.

B-Dienst Report:
a) Auxiliary Aircraft Carrier USS Bogue (CVE-9) and her task group departed Iceland and joined the escort of Convoy ON-184.
b) At 0730 hours, a Spitfire aircraft of No. 542 Squadron RAF flew across the Ruhr region and photographed the extent of the damage from the Dambuster Raid.

RST
KorvKpt.& Cmdr. U 115
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