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Old 06-24-23, 05:57 AM   #469
Kapitän
The Old Man
 
Join Date: Mar 2010
Location: Frankfurt, Germany
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Default U 115 - First War Patrol (2nd leg) - Boat detected west of South Africa

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)


Tuesday, 22 June 1943 - South-Atlantic -

- 7th week at sea completed -

0250 - Qu.4543GR - Course 119°.

0635 - Qu.4559GR - Course 90°. Reached the Shipping Lane Cape Town - Buenos Aires - Cape Town, within the Surface Patrol Area off Cape Town.

0950 - Qu.4569GR - Course 80°.

1130 - Morning Dawn.

1200 - Qu.4648GR - Days Run: 191.7nm - ↗ 189.0nm (23h) - 2.7nm (1h)
Total: 8577.2nm (48tg 22h) - ↗ 8265.5nm (44tg 04h 04') - ↘ 311.7nm (4tg 17h 56')
Course 80°; 465cbm (3cbm in 24h); Battery 100%; 1xT-3, 2xEtoFat, 1xT-4; 9xBold.
SSE6/5, clear, visibility 6.5nm, >1000mb (Weather & Sea unchanged in 21days and 21h).

1209 - Qu.4648GR - "Surface Vessel!". Steamer bearing 93°, E=7500 (4.6nm). A large fast tanker of 9165ts, on opposite course 254°, speed 19kn. Boat going on parallel course and A.K.

1229 - Sunrise. Weather & Sea unchanged in 21days and 22h.

1230 - Broke off chase due to high speed of tanker. Returned to original course 80°; 2x245RPM/8kn.

Cmdr.: Right after reaching the shipping lane, we run into a large tanker. Too bad, we were too far off for an attack and that the steamer was too fast for us to be able to maneuver into attack position.

1315 - Outgoing F.T.: To B.d.U.:
Reached Steamer Route Cape Town - South America and at 1209 sighted Tanker 9165ts, on course 254°, speed 19kn, Qu.4648GR. Broke off pursuit due to high speed of tanker. Still have 4 eels and 465cbm. Weather and Sea unchanged in over 3 weeks: SSE6/5, medium swell, clear, visibility 6.5nm, >1000mb. Continue outbound transit. - RST -

1330 - Qu.4649GR - Crash dive for training. T=10 after 39 Sec. (1st Watch with Diving Officer); T=20 after 58 Sec.; A-Meter after 2min, 37 Sec.

1335 - Setting for A-20 with 96rpm.

1344 - T=20. Battery 97%; Compressed Air Supply 290Atü; CO₂ 1.1%.

1350 - Surfaced from S-Tiefe after 20 min. and 1.3nm. - Weather and Sea unchanged.

1353 - Boat ventilated and Compressed Air Supply filled. 2x245RPM, 8kn.

2210 - Sundown. Weather and Sea unchanged in 22 days and 8h.

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)


Wednesday, 23 June 1943 - Off South-Africa -

0036 - Qu.5443GR top right - FuMB Detection (Magic Eye) in 62°true. Shortly after Sunderland sighted, E=5000, direct approach, machine gun fire, going to A.K. 3 bombs behind the boat.

0037 - After the fly-over, "ALARM!". At T=35, 3 bombs and at A-Meter another two.

It is assessed that the boat sustained 5% hull damage (7% accumulation since leaving BDX): 7% => 93% of 230m = 213.9m safe max. diving depth).

0105 - Submerged cruise at A-20, 96rpm.

0253 - At Reception Depth. Battery 94.5%; Compressed Air Supply 280Atü; CO₂ 1.3%.

0257 - Qu.5427GR - Surfaced from S-Tiefe after 2h 20min. and 6.8nm. Weather and Sea unchanged; Visibility 4.8nm.

0258 - Boat ventilated.

0303 - Compressed Air Supply filled. 2xH.F.

0336 - Qu.5428GR - FuMB-Warning (no Magic Eye) in 40°true, E=15500. One minute later an airplane in 15°true, on course WSW, E=8000, crosses the boats port beam at a distance of 6200m. Boat remains surfaced.

0428 - Qu.5429GR center right - "ALARM!" for Sunderland in 303°true, E=6200, direct approach, no FuMB-Warning (also, no Magic Eye). At T=18, 3 bombs off to Stbd., and at A-10 another one - no damages.

0501 - Submerged cruise at A-20, 96rpm.

0647 - At Reception Depth. Battery 87%; Compressed Air Supply 280Atü; CO₂ 1.4%.

0653 - Qu.5437GR - Surfaced from S-Tiefe after 2h 25min. and 6.5nm. Weather and Sea unchanged.

0658 - Boat ventilated and Compressed Air Supply filled. 2xH.F.

0813 - Qu.5436GR - Right after the watch change, FUMB-Warning (no Magic Eye) in 30°true, E=11000. Boat remains surfaced.

0858 - Qu.5514GR - FUMB-Warning (no Magic Eye) in 287°true, E=13500 - is located in Qu.5436 center right.

0900 - Still dark. Airplane sighted in 315°true, E=6000 on course East, passes our port beam at at distance of 4600m (doesn't seem to have radar installed). Boat remains surfaced.

1200 - Qu.5523GR - Days Run: 198.2nm - ↗ 183.6nm (18h 55') - ↘ 14.6nm (5h 05')
Total: 8775.4nm (49tg 22h) - ↗ 8449.1nm (44tg 22h 59') - ↘ 326.3nm (4tg 23h 01')
Course 80°; 462cbm (3cbm in 24h); Battery 87%; 1xT-3, 2xEtoFat, 1xT-4; 9xBold.
SSE6/5, clear, visibility 6.5nm, >1000mb (Weather & Sea unchanged in 22days and 21h) - Morning Dawn -

1230 - Sunrise. Weather & Sea unchanged in 22days and 22h.

1502 - Qu.5377GR bottom center - FuMB-Warning (Magic Eye), shortly after a twin-engine A/C (Avro Anson?) is sighted in 121°true, E=3600, direct approach; turning with A.K. toward the approaching airplane, machine gun fire from but no bombs.

1503 - After the fly-over "ALARM!". Just before closing the C/T-hatch, another airplane (Consolidated) is sighted in 97°true, E=6000. At T=25 about 4 Wabos to Stbd., concussions. At A-Meter another 2 Wabos - no damages.

1507 - Boat remains submerged, going on course 75°.

Cmdr.: The last 10 1/2 hours we did not encounter any airplanes, and now about 38nm off Cape Town, we are attacked by two at the same time. Unfortunately, our presence is now known and this shipping lane will be closed.

- to be continued -
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