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Old 05-09-23, 02:05 PM   #418
Kapitän
The Old Man
 
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Default U 115 - First War Patrol (2nd leg) - Hunted by Escort Group (2)

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)

Sunday, 9 May 1943 - West of Vigo

0338 - Qu.1555CG - Course 231°.

0525 - Early Morning Dawn.

0642 - Sunrise. Weather and Sea unchanged in 24h.

0700 - Qu.1575CG - Alarm for training. T=10 after 36sec. (1sec. faster than before).

0705 - At A-Meter commencing Trial Dive acc. B.d.U.-Standing Order No.507 & 308; 145rpm.

0741 - Boat is safe and secure at 2A-Meter.

0742 - Setting for T=20; 98rpm.

0759 - Reception Depth.

0805 - Surfaced from S-Tiefe after 1h 05min. and 3.8nm.

0807 - Boat ventilated and Compressed Air Supply filled; Battery 94%; 225RPM/8kn.

0917 - Qu.1577CG - "Surface Vessel!". S Class Destroyer bearing 310°, E=13000, very fast on course 325°.

0920 - Another surface vessel as a mere shadow bearing 0°, is identified as an Escort Carrier and two FuMB-Detection (No Magic Eye).

0922 - Aircraft sighted in 163°true, E=6000, direct approach. The S Class Destroyer is turning toward the boat at high speed. "ALARM!".

0923 - At T=20, 2 bombs, light concussions, no damages.

0930 - At A-Meter, Silent Running.

0935 - 26 Wabos dropped by two destroyers at the diving position astern until 1003.

1003 - One of the destroyers heads back to the Aircraft Carrier, while the other destroyer keeps loitering around our diving position.

1025 - The second destroyer leaves for the A/C Carrier at medium speed.

1035 - Secured from Silent Running; Setting for T=20.

1044 - Reception Depth.

1049 - S-Tiefe. In relative bearing 110°, a Tribal Class Destroyer, that still searching for us but in a different location, E=8000.

1122 - Surfaced after 2h and 5.5nm.

1123 - Boat ventilated; Battery 90%.
FuMB Detection in the area of our diving position, 9700m astern (no Magic Eye).

1126 - Compressed Air Supply filled. 1/3-Ahead.

1200 - Qu.1733CG - Days Run: 164.7nm - ↗ 149.8nm (18h 45') - ↘ 14.9nm (5h 15')
Total: 954.5nm (4tg 22h) - ↗ 922.2nm (4tg 10h 20') - ↘ 32.3nm (11h 40')
498cbm (1cbm in 24h); Course 231°; Battery 90%; Weather and Sea unchanged in 29h.
Note: Possible salvo shots with 3 torpedoes are: I-II-III and II-III-IV.

1215 - 225RPM/8kn.

- 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)

Sunday, 9 May 1943 - West of Vigo

- continued from 9 May 1943, 1215 -

1657 - Qu.1755CG top right - Diving for FuMB Detection (No Magic Eye) in 210°true, E=13000.

1700 - At T=30, one bomb at the diving position and again at 1701.

1703 - At A-Meter, no sound contact.

1723 - At A-20, Sound contact warship bearing 328°, E=14000, on course NW. Seems to be too far from the position of the last contact at noon, to be the same escort group.

1729 - Reception Depth.

1737 - S-Tiefe. U Class Destroyer bearing 330° on search pattern, E=7500. Anything further cannot be seen due to the high swell and the destroyer is too close to be able to surface.

1741 - Boat turning to course 321°.

1748 - The destroyer runs off at high sped on course West.

1757 - Surfaced after 1h and 3.1nm.
Escort Carrier sighted bearing 323°, on course 323°. Boat changing course to 304° and A.K.

1815 - Qu.1752CG bottom left - Boat is attacked by carrier-based A/C with machine guns and bombs, E=2500. Turing toward the approaching A/C hard to port, which cause the two bombs to overshoot the boat. After the fly-over, "ALARM!".

1817 - At T=25, ejecting one Bold (9 pcs. left), and running off on course 004°.

1818 - At A-Meter no further bombs or damages, but two destroyers are approaching our diving position.

1821 - At E=7000 to destroyers, rigging for Silent Running. The Escort Carrier seems to have reduced its speed, most likely zig-zagging.

1832 - The two destroyers run off from our diving position, in direction toward the Escort Carrier. As before, one very fast and the other at medium speed.

1842 - At Reception Depth. Secured from Silent Running.

1845 - S-Tiefe. A G&H Destroyer bearing 225°, E=6500, still on search pattern.

1855 - In the B-Periscope a carrier based A/C is seen on our stbd. beam, approaching from NNE, on opposite course, and dropping two bombs in the area of our last diving position, 4250m astern.

1910 - At E=10000, the Destroyer is out of sight (a faint smoke trail can still be seen in the B-Periscope).

1915 - Surfaced after 1h and 3.1nm.

1918 - Qu.1752CG top left - Right after the boat is ventilated and the Compressed Air Supply is filled, the boat is attacked by an Avenger A/C with Machine Guns, bombs and RP-3 Rockets, direct approach from West. Again, turned toward the approaching A/C with A.K., which cause the bombs and rockets to overshoot the boat. Right after the fly-over, "ALARM!".

1921 - At A-Meter, rigged for Silent Running and ran-off on course 0°.

1930 - As the two destroyers about 13000m away are not approaching, secured from silent running.

1940 - A-20.

2015 - After the watch change, set for Reception Depth.

2028 - Surfaced from S-Tiefe after 1h 10min. and 3.1nm.

2033 - Boat ventilated. On course 65°.

2037 - Compressed Air Supply filled.

2040 - Charging batteries (80%): Stbd.Diesel, Charging/496RPM; Port.-Diesel, Propulsion/285RPM/8kn. FuMB-Detection in 250°true, E=14500 (No Magic Eye). Boat stays surfaced.

2108 - Sundown. Weather and Sea unchanged in 38h.

2220 - Batteries charged: 1h 40min. for 20%.

- to be continued -
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