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SUBSIM: The Web's #1 resource for all submarine & naval simulations since 1997
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SUBSIM: The Web's #1 resource for all submarine & naval simulations since 1997 |
06-20-23, 09:42 AM
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#466 | |
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The Old Man
 Join Date: Mar 2010
Location: Frankfurt, Germany
Posts: 1,580
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U 115 - First War Patrol (2nd leg) - Heading for Cape Town
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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, 20 June 1943 - South-Atlantic - 0222 - Qu.3478GQ - 19nm south of the underwater mountain in Qu.3449GQ (31°40'S, 8°20'E) - Reached the Air Cover Zone, about 670nm off Cape Town. Cmdr.: "All hands be on the Quivive!" 1140 - Morning Dawn. 1200 - Qu.3841GQ - Days Run: 189.6nm - ↗ (24h) Total: 8221.6nm (46tg 22h) - ↗ 7926.3nm (42tg 10h 04') - ↘ 295.3nm (4tg 11h 56') Course 117°; 470cbm (2cbm in 24h); Battery 80.0%; 1xT-3, 2xEtoFat, 1xT-4; 9xBold. SSE6/5, clear, visibility 6.5nm, >1000mb (Weather & Sea unchanged in 19days and 21h). 1240 - Sunrise. Weather and Sea unchanged in 19 days and 22h. 1928 - Qu.3894GQ - Course 119°. 2231 - Sundown. Weather and Sea unchanged in 20 days and 8h. 2313 - Qu.6311GQ - Course 117°. RST
KorvKpt.& Cmdr. U 115
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06-21-23, 04:57 AM
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#467 | |
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The Old Man
Join Date: Mar 2010
Location: Frankfurt, Germany
Posts: 1,580
Downloads: 29
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U 115 - First War Patrol (2nd leg) - Black May - New B.d.U.-Orders
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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) Monday, 21 June 1943 - West of Cape Town - 0700 - Qu.6364GQ - Diving for Torpedo Maintenance. 0705 - T=50. Beginning torpedo maintenance. 0756 - Tube I serviced (T-3/Pi39H). - Break until 0810 - 0901 - Tube V serviced (EtoFat/Pi39H). 0956 - Tube VI serviced (T-4/Pi39H). 1000 - Beginning of Trial Dive acc. B.d.U. Standing Orders No.507 & No.308. 145rpm/3kn. 1041 - Boat is safe and secure at 2A-Meter. 1045 - Setting for T=20 with 96rpm. 1100 - Reception Depth. Submerged cruise. 1150 - CO₂ - Warning at 1.7%. 1200 - Qu.6369GQ - Days Run: 163.9nm - ↗ 150.2nm (19h) - ↘ 13.7nm (5h) Total: 8385.5nm (47tg 22h) - ↗ 8076.5nm (43tg 05h 04') - ↘ 309.0nm (4tg 16h 56') Course 117°; 468cbm (2cbm in 24h); Battery 68.6%; 1xT-3, 2xEtoFat, 1xT-4; 9xBold; T=20; CO₂ 1.7%. 1235 - Sunrise. 1257 - S-Tiefe. Battery 65.7%; CO₂ 1.9% 1300 - Surfaced from S-Tiefe after 1h and 2.7nm since Etmal (Total: 6h and 16.4nm). Weather and Sea unchanged. 1301 - Boat ventilated. 1305 - Charging batteries (65.7%): Stbd.-Charging, 496RPM; Port-Propulsion, 375RPM/10kn. 1555 - Qu.4172GR - Batteries charged => 2h 50min. for 34.3%. 2xSmall-Ahead/185RPM/8kn. 2221 - Sundown. Weather and Sea unchanged in 21 days and 8h. 2309 - Incoming Radio Reports: O.K.W.-Report: a) Heavy air raid by the RAF on Krefeld, Ruhr. 44 terror bombers were shot down. From B.d.U.: a) Additonal Order, from 20 June: The following has been added to B.d.U. Standing Order No. 13: Life jackets are to be available to the entire crew in the air endangered areas according to para.1). b) Report from "Milkcow" U 462 Oblt. Bruno Vowe: On outbound transit was attacked and damaged by 5 Mosquito aircraft in BF 8153. One aircraft possibly shot down. One man killed (Mtr.Gfr. Ferdinand Brunnbaur) and several seriously wounded. Have begun return passage. B-Dienst Report: a) On 20 June, the RAF initiated shuttle bombing, where planes departed home fields to bomb Germany, re-armed in Africa, then bomb Italian targets en route back to Britain. The first of these raids targeted Friedrichshafen, Germany. b) On 20 June, Auxiliary Aircraft Carrier USS Bogue (CVE-9) arrived at Norfolk, Virginia, with survivors of U 118 (XB; KrvKpt. Werner Czygan), sunk on 12 June, west of the Canary Islands, by eight Avenger aircraft of USS Bogue (43 dead and 16 survivors). Task Group 21.12 was dissolved and made eligible for European-African-Middle Eastern Area Engagement Star E207. This sortie was one of six Bogue sortie's singled out in a Presidntial Unit Citation. RST
KorvKpt.& Cmdr. U 115
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06-23-23, 10:26 AM
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#468 | |
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The Old Man
Join Date: Mar 2010
Location: Frankfurt, Germany
Posts: 1,580
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U 115 - First War Patrol (2nd leg) - Steamer Route Cape Town-South America
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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
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KSDII-Ace/GWX 3.0 Gold/CCoM 10.0 + h.sie-patch; Windows 7 (64-bit); NVIDIA GeForce GTX650 (310.90) |
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06-24-23, 05:57 AM
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#469 | |
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The Old Man
Join Date: Mar 2010
Location: Frankfurt, Germany
Posts: 1,580
Downloads: 29
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U 115 - First War Patrol (2nd leg) - Boat detected west of South Africa
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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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06-25-23, 01:13 AM
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#470 | |
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The Old Man
Join Date: Mar 2010
Location: Frankfurt, Germany
Posts: 1,580
Downloads: 29
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U 115 - First War Patrol (2nd leg) - Boat attacked by a/c west of South Africa
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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 - - continued from 23 June, 1507 - 1533 - Submerged cruise at A-20, 96rpm. 1625 - S-Tiefe. Battery 84%; Compressed Air Supply 280Atü; CO₂ 1.2%. 1628 - Surfaced after 1h 25min. and 3.9nm. Weather and Sea unchanged; Water Depth 245m. 1629 - Boat ventilated. 1632 - Qu.5378GR bottom left - FuMB-Warning in 131°true, E=13500 and at 1633 also, by Magic Eye. 1634 - Compressed Air Supply is filled, two airplanes are sighted approaching the boat, one in 131°true, E=10000 and another in 102°true, E=7000 - "ALARM!". 1636 - At A-Meter 1 bomb and again 2 at 1638 and another 2 at 1640, each time further astern - no damages. 1653 - Submerged cruise at A-20, 96rpm, on course 80°. 1741 - At Reception Depth. Battery 81.5%; Compressed Air Supply 260Atü; CO₂ 1.2%. 1744 - Surfaced from S-Tiefe after 1h 10min. and 3.2nm. - Weather and Sea unchanged; Water Depth 211m. 1750 - Boat ventilated. 2xH.F. 1757 - Compressed Air Supply filled. 1801 - Qu.5378GR center bottom right - Dinner has just been served, FuMB-Warning in 310°true, E=9000. 1802 - Magic Eye Warning in 40°true, E=11700, shortly after a airplane is sighted in 40°true, E=11600, direct approach - "ALARM!". 1805 - At A-10, 2 Wabos and at A-Meter another 2 Wabos; in due course until 1810, 3 x 2 Wabos - no damages. 1821 - At A-20, 96rpm. 1842 - Submerged cruise at Reception Depth. 2011 - S-Tiefe. Battery 77%; Compressed Air Supply 280Atü; CO₂ 1.4%. 2012 - Qu.5379GR - Surfaced after 2h 10min. and 5.9nm. - Weather and Sea unchanged. 2013 - Boat ventilated. 2018 - Compressed Air Supply filled. 2020 - Charging batteries (77%): Stbd.-Charging, 496RPM; Port-Propulsion, 375RPM/11kn. 2022 - FuMB-Warning in 210°true, E=15600 (no Magic Eye). 2024 - Airplane sighted in 185°true, E=6000, on course NE. 2025 - Interrupting charging process - "ALARM!". 2028 - At A-Meter no bombs. Cmdr.: Apparently, this airplane was not equipped with radar. A bit strange that no Hunter Group has been dispatched to search for us ... I haven't quite finished my thought, when the listening room is reporting turbine screw noises approacing from the East ... - to be continued -
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06-26-23, 12:58 AM
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#471 | |
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The Old Man
Join Date: Mar 2010
Location: Frankfurt, Germany
Posts: 1,580
Downloads: 29
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U 115 - First War Patrol (2nd leg) - Hunted by ASW units - a/c shot down
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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 - - continued from 23 June, 2028 - 2049 - Sound contact warship bearing 345°, E=14500, is approaching our position at high speed. Boat is at A-20, setting for Reception Depth with 1/3-Ahead. 2057 - T=20. 2059 - S-Tiefe. Water Depth 162m, about 20nm off Cape Town. Nothing can be seen through the A-Periscope. 2106 - Adding the B-Periscope. 2109 - An airplane can be seen on opposite course West to our port beam, dropping Deterrent-Wabos and again at 2111. Rigging for Silent Running. 2113 - Retracting B-Periscope. The approaching surface vessel is identified as a Flower Corvette, passes our port beam on opposite course WSW, at a distance of 1000m. A second airplane is sighted to our stbd. beam on course West. 2118 - Retracting A-Periscope to prevent a mirroring effect in the low setting sun and going to T=18. 2121 - Wabos in the distance and at 2122 the Flower Corvette is dropping Wabos at our last diving position. This means, that the airplane at 2024 did in fact detect the boat but instead of dropping bombs, must have marked our diving position with some kind of sonar buoy and/or smoke flares, in order to setup for a surprise attack on the boat. 2126 - Wabos at our diving position. 2143 - Boat is about 19nm off Cape Town. The Corvette is still sniffing around our diving position and Wabos are continuing to be dropped in the area. The listening room is reporting a second warship contact bearing 301°, E=12800, also, approaching our position, comes into sight and is identified as a Black Swan Sloop, also heading toward our last diving position. 2158 - 13nm off Cape Town, a third sound contact is heard, bearing 339°, E=14600. 2224 - A Consolidated with a search light can be seen 1500m to our Stbd.beam on course West, is dropping Wabos 3-times at our last diving position, about 10000m astern. 2236 - Sundown. Switching B-Periscope. 2251 - Secured from Silent Running. Battery 71.5%; Compressed Air Supply 280Atü; CO₂ 1.4%. 2255 - Qu.5387GR - Surfaced after 2h 30' and 6.8nm. - Weather and Sea unchanged in 23days and 8h. Water Depth 136m. FuMB-Signal in 263°true, E=12800, which is at the diving position, suspect it originated from one of the two patrol vessels there. 2302 - Boat ventilated and Compressed Air Supply filled. Charging batteries (71.5%): Stbd.-Charging, 496RPM; Port-Propulsion, 285RPM/7kn. 2303 - Third FuMB-Warning in 255°true, E=11000 (no Magic Eye). Diving to S-Tiefe, however, boat is sinking to T=20. Sound contact with the two patrol vessels at our last diving position, the third sound contact was therefore a airplane. 2308 - Wabos are continued to being dropped at our last diving position. 2310 - Back to S-Tiefe, a Consolidated on course East 1500m to our Stbd. beam (suspect the same A/C returning to Cape Town). Nothing else can be seen. 2318 - Surfaced after 15' and 0.7nm. Water Depth 124m. Getting closer to land, wind and sea are subsiding: SSE4/3, clear, visibility 4-5nm, >1000mb. 2320 - Charging batteries (71.5%): Stbd.-Charging, 496RPM; Port-Propulsion, 285RPM/7kn. 2330 - Batteries charged to 75% (10min. for 3.5%). 2344 - An Armed Trawler is protecting the harbor entry, bearing 317°, E=8400, on course ENE, slow speed. Reducing own speed to Port, 185RPM/5kn. 2349 - Qu.5387GR - Water Depth 100m - After somewhat of a quite spell, a Liberator appears without prior warning in 30°true, E=4700, direct approach, search light. Both Flak guns manned. The A/C drops bombs behind the boat - no damage. After the fly-over, our Flak shoots down the Liberator. However, none of the patrol vessels react to it. Boat remains surfaced and Flak guns manned. Loud explosions and fires can be seen and heard in and around Cape Town harbor. RST
KorvKpt.& Cmdr. U 115
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06-27-23, 01:53 AM
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#472 | |
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The Old Man
Join Date: Mar 2010
Location: Frankfurt, Germany
Posts: 1,580
Downloads: 29
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U 115 - First War Patrol (2nd leg) - Steamer sunk off Cape Town
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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, 24 June 1943 - Off Cape Town - 0015 - FuMB-Signal in 95°true, E=15000, 1nm off the coast, Lions Head; Water Depth 86m. 6000m to our port beam, the Armed Trawler is running at slow speed on parallel course. The loud explosions continue until about 0025. 0032 - There is a shadow with two tall masts in front of Lions Head, in the area of the 0015 FuMB-Signal, suddenly, is out of sight again. Water Depth 77m. Turning off the FuMO29. Cmdr.: The is an eerie stillness, nothing is seen or heard, the Armed Trawler 6000m to port is quiet. All lights and beacon fires are extinguished. We have to be very careful, not to run into some kind of trap. 0044 - The two tall masts appear again, must have been hidden by a haze cloud/fog bank. The vessel is identified as a Black Swan Sloop, is lying stopped, E=8000. 0053 - FuMB Warning coming from the direction of the Sloop, E=9000. 0056 - Interrupting charging process at 85% batteries charged. Decks awash. 0101 - An armed Australian steamer putting out to sea on course 260°, bearing 326°, E=8000. Turning toward the steamer. 0107 - Without prior FuMB or Magic Eye warning, the boat is attacked by a land-based A/C, direct approach from ENE, the bombs fall wide to port - no damages. After the fly-over, diving to S-Tiefe. The steamer is changing course to 229°, other than that, everything stays calm. 0121 - Boat is in attack position, 7.5nm off Cape Town. "Battle Stations!". 0124 - Flooding tube I. 0126 - Qu.5385GR bottom center - Submerged Single Shot with tube I (B-Periscope): T-3/Pi39H (MZ); Running depth 8.7m (1m below target draught); Vt30. Target ship: Australian Highspeed Cargo Star of 3923ts, draught 7.7m. Target course 229°; Target distance 450m*; Target angle red90°; Target speed 11.0kn; Firing angle α 000°. Own course 318°; Own speed 1.6kn ahead. Weather/Sea: SSE4/3, clear, visibility 4-5nm, >1000mb; Water Depth 69m. Shooter: KvtKpt. & Cmdr. RST. => Torpedo is a hit midships underneath the forecastle/bridge after 29 Sec.! => 35 Sec. x 15.43m/s (30kn) => 447.5m*. 0134 - The steamer is loosing speed and turning to stbd, has barrels as upper deck cargo. An airplane is dropping Wabos at our diving position. 0139 - The steamer sinks by the stem and seems to hit the ocean floor with the bow, causing the stern to stand upright in the air until 0144, when it finally turns to the side and slowly and quietly glides beneath the waves. 0145 - "Dismissed from Battle Stations!". 0150 - Running off in direction of Cape Town, in order to inspect the harbor. Several fires are still burning in and around the harbor. Wabos are being dropped off in the distance. - to be continued -
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KSDII-Ace/GWX 3.0 Gold/CCoM 10.0 + h.sie-patch; Windows 7 (64-bit); NVIDIA GeForce GTX650 (310.90) Last edited by Kapitän; 06-28-23 at 12:43 AM. |
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06-28-23, 12:46 AM
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#473 | |
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The Old Man
Join Date: Mar 2010
Location: Frankfurt, Germany
Posts: 1,580
Downloads: 29
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U 115 - First War Patrol (2nd leg) - Hunted by ASW units
Quote:
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, 24 June 1943 - Off Cape Town - - continued from 24 June, 0150 - 0217 - The #1 Black Swan Sloop lying beneath Lions Head is approaching our position at high speed. Rigging for Silent Running and turning away to the North. 0222 - The Sloop is going on a search pattern and a second Black Swan Sloop is approaching from direction of Cape Town. New course 345°. "Battle Stations!". 0226 - Flooding tube V (EtoFat) and turning away from the second Sloop on course 315°. All the while, a Hunt-I Destroyer is lying stopped between Lions Head and Robben Island. 0236 - Both Sloops are dropping Wabos at our diving position, after the last A/C attack. A Large Ore Carrier of 7330ts and a 2-Mast Schooner are leaving Cape Town and running close to shore on a southerly heading. 0238 - On course 270°. Closing tube V. 0254 - The Ore Carrier changes courses from SSW-West-SSW around a mean course of SW, speed 7-8kn. A 2-Mast Motor Schooner is entering Cape Town harbor. Both Sloops continue to drop Wabos at our last diving position until 0315. "Dismissed from Battle Stations!". 0325 - Both Sloops turn back toward Cape Town and the Ore Carrier turns around and heads back to Cape Town at high speed, as well. 0335 - Secured from Silent Running, as the boat is not quite outside the sonar field of the #1 Sloop. A mistake! The Sloop immediately turns around and heads toward our position at high speed. Going to course 315° and showing our stern. Rigging for Silent Running, as the Sloop begins to go on a search pattern. 0350 - The Sloop stops in relative bearing 172°, E=2800, and remains stationary, searching the water surface with searchlights. 0425 - On course 270°. We are outside the Sloop's Sound Sensor field, which is still stationary 5100m astern. Secured from Silent Running. Nonetheless, again the Sloop heads toward our position at high speed and goes on search pattern at 0427. Again, rigging for Silent Running. 0430 - The Sloop turns around for no apparent reason and runs off at high speed on course ENE, towards Robben Island. 0437 - Secured from Silent Running and Surfacing after 9.0nm and 3h 30min.; CO₂ 1.5%; Battery 83%. 0438 - Boat ventilated; Weather and Sea unchanged. 0440 - FuMB-Signals coming from direction of the Sloop. 0443 - Qu.5385GR center right - Shortly after a Magic Eye Warning, "ALARM!" for a twin-engine A/C, direct approache from NE, is already very close; 1 bomb wide to port; At first manning Flak guns but after the fly-over crash diving; Water Depth is 95m. 0445 - At A-Meter no damages. Depth under keel 10m. 0451 - Setting for Reception Depth at 96rpm. 0501 - T=20. Battery 80%; Compressed Air Supply 290Atü; CO₂ 1.1%. 0513 - Surfaced from S-Tiefe after 1.6nm and 30min. 0514 - Weather and Sea unchanged. Water Depth 105m. Boat ventilated. Sloop sighted in relative bearing 180°, coming up at high speed with AOB 0°, E=7100. 0518 - Running off at high speed. Compressed Air Supply filled. At E=6200, the Sloop turns away again and runs off at high speed towards Robben Island. 0523 - The Sloop is out of sight at 4.9nm. Reducing speed. FuMB-Warning in 250°true, E=14500 and again at 0524 in 91°true, E=12000. Suspect ASW surface vessels. Boat remains surfaced. Water Depth 124m. 0532 - Qu.5384GR center - A/C in SW, is already very close, crosses our stern on course NE and distance of less than 1000m. Received FuMB-Warning from direction of the airplane, after it goes out of sight. Cmdr.: Very strange: The fact that we received a FuMB-Warning after the airplane has flown off, indicates that it is equipped with radar gear. Still, it didn't attack the boat. - to be continued -
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06-30-23, 04:18 AM
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#474 | |
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The Old Man
Join Date: Mar 2010
Location: Frankfurt, Germany
Posts: 1,580
Downloads: 29
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U 115 - First War Patrol (2nd leg) - Hunted by ASW units off Cape Town
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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, 24 June 1943 - Off Cape Town - - continued from 24 June, 0532 - 0540 - Qu.5384GR - On course 180°. Water Depth 131m. 0548 - A Sloop in relative bearing 70°, E=7700, approaching the boat at high speed at AOB 0°. Trying to evade on course 157° and A.K. 0550 - Qu.5384GR bottom center - The Sloop is coming up quickly. Diving at a distance of 6100m. T=10 after 70 Sec. 0553 - S-Tiefe, course 180°, rigging for Silent Running. The Sloop is approaching the position where the boat was at T=10. Cmdr.: Apparently a trap, the A/C not attacking but signaling our position to the Sloop. 0603 - The Sloop is 900m astern, drops 10 Wabos, and in due course another 40 Wabos in 4 runs astern until 0624. Each time the boat is in the Sloop's baffles, increasing speed to A.K. and thus, managing to gain distance to the Sloop. 0624 - Distance to the Sloop is 3000m. Sound contact with steamer bearing 300°, E=15500, on course 238°, speed 7kn. 0628 - The Sloop drops another 24 Wabos in 3 runs astern until 0640, E=4300. 0649 - The Sloop lies stopped 5000m astern, searching the water surface with searchlights. 0700 - Qu.5387GR center - Water Depth 124m. Distance to Sloop is 6000m. Secured from silent running. AGAIN, about 2min. after securing from silent running, the Sloop runs at high speed toward our position. Rigging for Silent Running again. 0708 - Sloop is 3200m astern, on a search pattern. 0714 - At a distance of 1500m, the Sloop starts firing with surface weapons at our periscope. 0717 - ASDIC! Water Depth is 118m. Diving to Reception Depth. 0718 - Boat is located by ASDIC. Secured from Silent Running, ejecting Bold (8 remaining), and diving deeper with A.K. At T=30, the first series of 12 Wabos, strong concussions, broken glass. 0722 - Rigging for Silent Running. At A+30, depth under keel is 10m. L.I. reports that the boat sustained another 2% hull damage (9% accumulation since leaving BDX): 9% => 91% of 230m = 209.3m safe max. diving depth). From 0715 until 0745, another 40 Wabos in 4 runs, each time further astern (attacking the Bold?). 0745 - Sound contact with steamer bearing 267°, E=16000, on course 239°, speed 7-8kn. Setting for A+20. From 0746 until 0752, another 20 Wabos in 2 runs astern. Distance is 3000m. 0755 - Setting for A-Meter. 0757 - 12 Wabos 3300m astern. 0805 - A-Meter. Lost sound contact with Sloop (again, lying still?). Steamer sound contact 0624 now located in Qu.5621GR bottom left, on course 205°. Setting for Reception Depth. 0815 - T=20. 0818 - At S-Tiefe, the Sloop is seen lying stopped 3900m astern. Steamer sound contact 0745 comes into sight, is a Clan-Type-Transport of 2350ts. - to be continued -
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07-01-23, 03:23 AM
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#475 | |
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The Old Man
Join Date: Mar 2010
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U 115 - First War Patrol (2nd leg) - Another steamer sunk off Cape Town
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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, 24 June 1943 - Off Cape Town - - continued from 24 June, 0818 - 0837 - Steamer sound contact bearing 259°, course 242°, speed 10kn, E=14500, located in Qu.5388GR center bottom left. 0852 - Qu.5387GR bottom center - The Clan-Type-Transport is now bearing 300°, on course 239°, speed 10kn, E=6000. The distance is too great for an attack and the boat cannot secure from Silent Running and increase speed, as the Sloop is still too close, about 5300m astern. 0855 - Steamer sound contact bearing 257°, course 242°, speed 10kn, E=16900. 0910 - Sound contact 0837 comes into sight, is identified as a Granville Class Dry Bulk Carrier of 2197ts. Cmdr.: Apparently, the steamers are now leaving Capetown in intervals of 20-50min. 0928 - The Granville Class Carrier is crossing our stern at a distance of 1200m, has a deck gun on the stern, and flying a Australian flag. 0929 - Boat is maneuvering into attack position, when a Flying Boat is sighted right over the boat on course SW. 0931 - Sound contact 0855 is identified as a Large Ore Carrier of 7333ts, draught 5.8m, max. speed 17kn. Seems to be the same one, that turned around and back to Capetown at 0325, after sinking the High Speed Cargo Star at 0144. 0938 - "Battle Stations!". 0943 - Qu.5621GR center top right - Flooding tube VI. Submerged Single Shot with tube VI (B-Periscope): T-4 "Falke"/Pi39H (MZ); Running depth 6.8m (1m below target draught); Vt20. Target ship: Australian Large Ore Carrier of 7333ts, draught 5.8m. Target course 242°; Target distance 2000m*; Target angle green90°; Target speed 9.0kn; Firing angle α 000°. Own course 152°; Own speed 1.6kn astern. Weather/Sea: SSE4/3, clear, visibility 4-5nm, >1000mb; Water Depth 125m. Shooter: KvtKpt. & Cmdr. RST. After the shot, flooding Tube V (EtoFat). => Torpedo is a hit underneath the aft section after 3min. and 27 Sec.! => 207 Sec. x 10.29m/s (20kn) => 2130.03m*. Steamer turns away to port on a southerly heading and then turns eastward, settles in the water and comes to a stop. Steamer is armed and has upper deck cargo in crates. Cmdr.: Looks like the steamer is trying to escape back to Capetown again. 0955 - The stern settles more and more in the water, lifting the bow out of the water. The Sloop picks up speed but doesn't approach. Closing tube V. 0958 - The steamer sinks by the stern, the bow standing straight up in the air as the stern hits the ocean floor 1001 - The Steamer silently slips beneath the waves. "Dismissed from Battle Stations!". 1004 - Running off on westerly heading. All of a sudden, underwater explosions can be heard from direction of the sunk steamer. 1035 - On course 225°. Battery 71.4%; Compressed Air Supply 290Atü; CO₂ 1.7%. 0513 - Surfaced after 5h and 12.7nm. - Weather and Sea unchanged. Water Depth 153m. 1053 - Boat ventilated and Compressed Air Supply filled. 1/3-Ahead. Course 180°. 1057 - FuMB-Detection in 35°true, E=10800. Boat remains surfaced, suspect FuMB signal is coming from the Sloop. - to be continued -
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07-02-23, 02:22 AM
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#476 | |
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The Old Man
Join Date: Mar 2010
Location: Frankfurt, Germany
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U 115 - First War Patrol (2nd leg) - Stalking small convoy escorted by a/c
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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, 24 June 1943 - Off Cape Town - - continued from 24 June, 1057 - 1155 - Outgoing F.T.: To B.d.U.: 24 June sunk 2 steamers off Capetown: 0139 Australian High Speed Cargo 3923ts, Qu.5385GR bottom center. 0958 Australian Large Ore Carrier 7333ts, Qu.5621GR center top right, with Falke. Steamers leaving Capetown in intervals of 20-50min., on course 240°, via Qu.5388GR center until Qu.5621GR center left, and then continue on course SSW. Medium air patrol: 23 June, 2349 shot down 1 Liberator in QU.5385GR top right. On 24 June, 0443 attack from twin engine airplane in Qu.5385GR center right, 2% hull damage, no further damages. Entry between Capetown and Robben Island is patrolled by 1 Hunt-I and 1 Armed Trawler. Area off Capetown is patrolled by several Black Swan Sloops. During ASW chase on 24 June from 0600 to 0800, received 158 Wabos, 2% hull damage, total hull damage 9%. No further damages. Still have 2 EtoFat and 461cbm. SSE4/3, clear, visibility 4-5nm, >1000mb. Continue outbound transit. - RST - 1200 - Qu.5627GR - Days Run: 119.7nm - ↗ 75.9nm (7h 30') - ↘ 43.8nm (16h 30') Total: 8895.1nm (50tg 22h) - ↗ 8525.0nm (45tg 6h 29') - ↘ 370.1nm (5tg 15h 31') Course 180°; 461cbm (1cbm in 24h); Battery 71.4%; 2xEtoFat; 8xBold. SSE4/3, clear, visibility 4.5nm, >1000mb (Weather & Sea unchanged in 13h) - Early Morning Dawn - Diving for submerged cruise at Reception Depth. 1202 - Deterrent-Wabos are being dropped about 6 times in the distance until 1258. As there is no sound contact with warships, suspect being dropped by A/C. 1305 - Sunrise - After lunch break, going to T=50 for torpedo maintenance and loading. Sound contact steamer bearing 43°, on course SSW, speed 10kn, E=37400; Suspect steamers leaving Capetown along the ascertained shipping lane. 1309 - At T=50. Beginning of torpedo maintenance and loading. 1400 - Tube V serviced (EtoFat/Pi39H). 1416 - Tube VI loaded (EtoFat/Pi39H). Sound contact bearing 145, fast on course SSW, along the steamer route course 202°. Setting for Reception Depth. 1423 - T=20. 1425 - S-Tiefe. Just before surfacing, a Catalina is sighted in the B-Periscope bearing 151°, on course 202°, along the shipping lane, E=8000; Goes out of sight at 1430 in relative bearing 55°. 1432 - Qu.5651GR top center - Surfaced after 2h 32min. and 6.6nm. 1437 - On course 270°. 2xH.F. going to investigate the sound contacts. 1441 - Steamer sighted bearing 38°, E=13300; Is identified as a Large Ore Carrier of 7330ts, on course 200°, speed 10kn. 1445 - When going on course 245° to intercept, a Hansa-Type Cargo of 3291ts is sighted, and between the two another steamer, all appear to be going on course 200°, speed 10kn. Cmdr.: It appears as though, that the steamers leaving Capetown have assembled to a small convoy. 1451 - On course 235°; Full-Ahead, 16kn. 1454 - Qu.5643GR top center right - FuMB-Detecion in 240°true, E=16500. 1455 - Airplane in direction of the FuMB-Detection, E=6000, direct approach. It's too late to dive. Evading with A.K. hard to port, presenting our beam. The airplane drops 3 bombs behind the boat and flies off on course NE, no damages. 1457 - The 3rd steamer comes into sight, a Vostok Cargo of 7200ts, running 4000m to the stbd. beam of the Hansa Cargo. Boat is continuing on course 235° and Full-Ahead, 16kn. 1503 - Qu.5643GR center right - Again airplane (Consolidated) in 225°true on course NE, E=9000 (no FuMB or Magic Eye Detection). "ALARM!". At T=25, 2 bombs, lights go out temporarily. At T=75, another 3 bombs. Pressure Hull sustained 2% damage (Total 11% => 89% of 230m => 204.7m safe diving depth). 1512 - Sound contact with 4 steamers. Setting for Reception Depth. 1521 - T=20. Compressed Air Supply 290Atü, Battery 65.7%. 1523 - At S-Tiefe the Large Ore Carrier can be seen 7600m to our stbd. beam, and behind the Hansa Carrier, E=7400. 1526 - Surfaced after 23min. and 1.2nm. Going to parallel course 200°, 1/3-Ahead. 1530 - Compressed Air Supply filled. 2xH.F. The Vostock Carrier comes into sight and 3000m behind her another Hansa Carrier. 1535 - Full-Ahead. 1540 - Qu.5643GR top center right - Magic Eye Detection and right afterwards a Catalina in 52°true, E=6300, direct approach out of the sun. Evading with A.K. hard to port, presenting our beam. 1541 - The Catalina flies over the boat without attacking it. 3 bombs underneath each wing can clearly be seen. After the fly-over, "ALARM!". At E=2900, the Catalina turns around and approaches again. At T=35, 3 bombs, little concussions. 1545 - At A-Meter 2 more bombs and 1 more at 1546 - that was all of the 6 bombs she had. No damages. 1548 - Sound contact with to surface vessels bearing 225°, E=38000 and 235°, E=32500. Setting for Reception Depth. 1558 - T=20. Compressed Air Supply 290Atü, Battery 63%, CO₂ 1.1%. 1600 - At S-Tiefe, only the Hansa Carrier 4400m behind the Large Ore Carrier can be seen. Turning boat around hard to stbd. to course 290°, and operating on sound contacts 1548. 1610 - Surfaced after 29min. and 1.5nm. 1613 - Boat ventilated and Compressed Air Supply filled. 1/3-Ahead. 1618 - Qu.5646GR top center - FuMB-Detection in 204°true and right after a airplane on course NNE, E=11500. 1619 - "ALARM!". At T=45, 1 Wabo. 1622 - At A-Meter, 4 bombs and at 1623 1 more bomb. No damages. 1627 - 2 more bombs - no damages. 1628 - Sound contact 1548 now bearing 80°, E=29000 and 62°, E=28000. Setting for Reception Depth. 2 more bombs - seems to be more than one airplane. - to be continued -
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07-03-23, 07:03 AM
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#477 | |
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The Old Man
Join Date: Mar 2010
Location: Frankfurt, Germany
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U 115 - First War Patrol (2nd leg) - Hunted by ASW units off Cape Town
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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, 24 June 1943 - Off Cape Town - - continued from 24 June, 1628 - 1635 - T=20. Sound contact warship bearing 76°, E=17500. 1639 - S-Tiefe. In the A-Periscope a smoke plume can be seen bearing 80°; The II.W.O. is scanning the sky with the B-Periscope. 1643 - One by one, 6 sound contacts with warships approaching from general direction North, distance between 12500m and 17500m. Turning boat hard to port, in order to evade to East. 1653 - 7th sound contact warship. The first warship comes into sight (Hunt-III-Destroyer) and one by one the others as well, E=7000, all on course South. 1/3-Ahead and turning boat back around hard to stbd., in order to evade to west. 1658 - On course 270°. The 8th sound contact warship and at 1659, #9. Rigging for Silent Running. 1707 - #10 sound contact with warship. 1708 - A Sunderland and a Catalina drop 12 Wabos at our last diving position and fly off again in opposite directions at 1715. The enemy has assembled a U-Hunt Group of 10 (!) escorts and at least 4 airplanes in search for us, the escorts are sniffing around our last diving position but not dropping any Wabos. Luckily, they are not conducting a "Swamp-Action". The search group consists of: 3 Black Swan Sloops, 2 Hunt-I Destroyers, and 1 each Hunt-III, A&B, E&F and G&H Destroyer and 1 River Class Frigate. 1730 - The Search Group has split up with 5 searching around and diving position and 5 a bit more towards our direction. 1749 - A Catalina appears from SW and drops 3 bombs and the diving position, circles once and flies off on course NE. 1754 until 1800 - 3 airplanes that appear to be 2 Sunderlands and another twin-engine airplane, drop 16 bombs at our diving position. After they fly off, it seems as though, that one of the Hunt-I Destroyers is burning and lying low in the water by the stern. E=7000. Apparently, she was hit by one of the bombs dropped by the airplanes. 1843 - A Sunderland and another airplane continue to drop 13 Wabos at the diving position. 1849 - After dropping another 6 Wabos, the Sunderland flies off on course SW. 1851 - Another 1 Wabo can be heard and at 1853 2 more. 1854 - An airplane at the diving postition 11000m astern, flies off on course NE. 1912 - Retracting the A-Periscope and continuing to observe the situation with the B-Periscope. 1926 - 3 Wabos are dropped at the diving position by A/C and again 1 at 1929 and 1 at 1932. 1959 - An airplane (Consolidated) can be seen in 193°true, E=6000, on course 68° and disappears in 108°true, E=7000, in Qu,5646GR center top. 2008 - With the change of watch, secured from Silent Running. 2112 - CO₂-Warning at 1.7%. 2132 - Catalina in 217°true, E=6800, on course 47°, turns to course 85° when positioned 2000m abeam to port and is out of sight in 100°true, E=8000. About 1min. later, 6 Wabos are being dropped at the diving position, about 23000m astern, where the destroyers are still searching for us. 2136 - 2 Wabos at the diving position and 3 Wabos at 2138; a airplane can be seen flying off on course NE. 2149 - Surfaced after 5h 30min. and 14.9nm. Compressed Air Supply 285Atü, Battery 51.4%, Weather and Sea unchanged. 2153 - Boat ventilated and Compressed Air Supply filled. 2200 - Charging batteries (51.4%): Stbd.-Diesel Charging 496RPM; Port-Diesel Propulsion 185RPM/5kn. 2201 - Manning the 2cm-Flak Gun. 2210 - 1/3-Ahead, 285RPM, 8kn. - to be continued -
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07-04-23, 09:41 AM
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#478 | |
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The Old Man
Join Date: Mar 2010
Location: Frankfurt, Germany
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U 115 - First War Patrol (2nd leg) - Attacked by a/c off Cape Town - a/c shot down
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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, 24 June 1943 - Off Cape Town - - continued from 24 June, 2210 - 2215 - Qu.5644GR top center - Wellington bomber in 240°true, E=5000, direct approach (No FuMB and Magic Eye detection). Going to A.K. A/C is attacking with machine guns only. After the fly-over, the 2cm-C/30 shoots down the airplane, which is catching fire and crashing into the sea off to stbd., the flames lingering on the water for about 1min. Boat stays surfaced and continues battery charging, Port Diesel Half-Ahead, 375RPM, 10kn. 2256 - Qu.5566GR center top - Magic Eye detection, shortly after a airplane (Hudson or Ventura) in 64°true, direct approach. Going to A.K. and hard to stbd., "Open Fire!". The airplane drops 2 bombs that too short and flies off on course SW, "Cease Fire!". 2258 - Now a Catalina is approaching from 85°true, E=4200 (no FuMB/Magic Eye detection). Going to A.K. and hard to stbd., "Open Fire!". During the first approach spot light, but no bombs are dropped (perhaps, due to the accurate Flak fire). 3 bombs underneath each wing can clearly be seen. 2259 - Sundown. After the fly-over, "Cease Fire!", interrupting charging process and "ALARM!". Catalina is turning around and approaching from 275°true, E=2600. During the diving process no bombs. 2301 - At T=75, 3 Wabos, no damages. On course 13°. 2316 - On course 270°. Setting for Reception Depth. 2325 - T=20. Battery 64.3%, Compressed Air Supply 285Atü, CO₂ 1.1%. 2332 - Surfaced from S-Tiefe after 33min. and 1.7nm. - Weather and Sea unchanged. 2336 - Boat ventilated and Compressed Air Supply filled. 2337 - Charging batteries (64.3%): Stbd.-Diesel Charging 496RPM; Port-Diesel Propulsion 285RPM/8kn. 2339 - Right after manning the 2cm-Flak Gun, FuMB-Detection and right after a Catalina in 187°true, E=6000, direct approach, spot light. "Open Fire!". During the first approach no bombs are dropped, 3 bombs underneath each wing can clearly be seen. 2342 - After Magic Eye detection, a second airplane appears and drops 3 Wabos wide to port and behind the boat. 2343 - "ALARM!". During the diving process no bombs. At T=55, 2 Wabos. 2346 - At A-Meter, another 2+1 Wabos. No damages. 2354 - Setting for Reception Depth. RST
KorvKpt.& Cmdr. U 115
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07-05-23, 06:14 AM
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#479 | |
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The Old Man
Join Date: Mar 2010
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U 115 - First War Patrol (2nd leg) - Attacked by a/c off Cape Town
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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) Friday, 25 June 1943 - West of the Cape of Good Hope - 0003 - T=20. Battery 62.9%, Compressed Air Supply 285Atü, CO₂ 1.2%. 0053 - Surfaced from S-Tiefe after 1h 10min. and 3.4nm. - Weather and Sea unchanged. 0057 - Boat ventilated and Compressed Air Supply filled. 0058 - Charging batteries (62.9%): Stbd.-Diesel Charging 496RPM; Port-Diesel Propulsion 285RPM/8kn. 0115 - Qu.5562GR bottom right - FuMB-Detection in 87°true, E=8700. Interrupting charging process (65.7%). Shortly after an airplane approaching from 87°true, is already fairly close. Going to A.K. and hard to port. The airplane (Hudson or Ventura) is dropping 3 bombs behind the boat and flies off on course SW. Pressure Hull sustained 2% damage (Total 13% => 87% of 230m => 200.1m safe diving depth). 0118 - Boat stays surfaced. On course 270°. 2xH.F.-Ahead 0140 - Charging batteries (65.7%): Stbd.-Diesel Charging 496RPM; Port-Diesel Propulsion 285RPM/8kn. 0147 - Port-Diesel Propulsion 375RPM/10kn. 0157 - Qu.5561GR bottom right - Hudson or Bolo in 164°true, is already fairly close, flying over the boat without attacking (no FuMB/Magic Eye detection). The airplane is approaching the boat again from NW. Interrupting charging process (70.0%) and going to A.K. 2 bombs fall wide to stbd., no damages. The airplane flies off on course ENE, and is out of sight at E=4000. Suspect that the A/C had no radar fitted, which may explain not sighting the boat at first and the inaccurate bomb attack. 0212 - Boat stays surfaced. Charging batteries (70.0%): Stbd.-Diesel Charging 496RPM; Port-Diesel Propulsion 285RPM/8kn. 0228 - Port-Diesel Propulsion 375RPM/10kn. 0230 - Batteries charged 75% (74.3% acc. gauge). 0415 - Port-Diesel Propulsion 285RPM/8kn. 0445 - Qu.5551GR - bottom right - Batteries fully charged: 2h 33min. for 30%). 2x1/3-Ahead, 285RPM, 10kn. On course 180°. 0505 - Outgoing F.T.: To B.d.U.: Continued from F.T.1155/24: Steamers leaving Cape Town run from Qu.5621GR center left, on course 200° to Qu.5646GR centr left. From 24.6., 1500 until 25.6., 0200, U-Hunt with A/C and up to 10 escorts. Damage to hull, safe diving depth 200m. On 24.6., 2215, shot down one Wellington bomber in Qu.5644GR top right. Still have 2 EtoFat and 460cbm. Continue outbound transit acc. Op.-Orders. SSE4/3, clear, visibility 4-5nm, >1000mb. - RST - 1058 - Qu.5851GR - On course 130°. 1200 - Qu.5855GR - Days Run: 163.6nm - ↗ 147.8nm (13h 23') - ↘ 15.8nm (10h 37') Total: 9058.7nm (51tg 22h) - ↗ 8672.8nm (45tg 19h 52') - ↘ 385.9nm (6tg 02h 08') Course 130°; 459cbm (2cbm in 24h); Battery 100%; 2xEtoFat; 8xBold. SSE4/3, clear, visibility 4.5nm, >1000mb (Weather & Sea unchanged in 37h) - Early Morning Dawn - 1209 - Incoming Radio Reports: From O.K.W.: a) On 22 June, 60 British Lancaster bombers attacked factories at Friedrichshafen. The enemy had planned to attack a factory producing radar parts, but in actuality it is manufacturing parts for V-2 rockets. b) Riots fueled by racial tension are finally under control in Detroit, Michigan, after three days of violence committed by both whites and African-Americans. During this period, 34 were killed (9 whites, 25 African-Americans), about 500 were wounded (about 75% African-Americans), more than 1,800 were arrested (about 80% African-Americans), and US$2,000,000 worth of damage were done to property. From B.d.U.: After an evaluation of the latest experiences on the Biscay passage, the boats receive the following directions in Standing Order No. 13, issued on 22 June 1943. A. The procedure of U-boats in approach and operational areas depends to a great extent on the appearance, behavior and numerical deployment of the enemy U-boat chaser planes equipped with radar apparatus. Attacking tactics, time and place of the enemy operational concentration constantly changes and this, as soon as known, necessitates an alteration in the tactics of the U-boats and a continuous unavoidable amendment of the orders accordingly. As far as possible, a certain report of enemy air force dispositions in the North Atlantic will be transmitted regularly. B. The greatest danger to the U-boat lies in the surprise attack of aircraft locating by radar. Danger of surprise consists: By day: In medium to heavy cloud, low-lying cloud, medium to poor visibility. By night: In clear peaceful weather, bright moon light, phosphorescence on the sea. Unfavorable for an attacking aircraft is: clear cloudless weather with good visibility or thick fog by day; further: changeable, stormy nights, in which the rough confirmation of the boat is possible with the radar apparatus, but the location of its exact position, speed and course and a therefore precise placing of the bombs, is greatly complicated. C. The following principles are laid down: Proceed with greatest caution on passage and in the waiting position in the operations area. Avoid losses. If operations on a decided target are being carried out, then act with dash and determination, in spite of threatening aircraft activity, remain on the surface and beat off aircraft if necessary. See also Standing Order No. 181, Section C and Appendix 1. It is ordered in this connection: 1) a) On the out and return passage in the Biscay area as far as 18 W and outward passage Home Waters to North Atlantic as far as upper third of Naval Grid AL, boats must proceed principally submerged. Surface only to recharge batteries and ventilation of the boat generally only by day. If daylight passage appears inadvisable owing to especially strong air activity, unfavorable visibility and defence conditions, proceed at night (See Section B). If the visibility is sufficiently good to make surprise impossible, surface passage by day is permissible. Then, however, proceed at high speed, to gain distance. 1) b) On putting in routes, boats are to proceed on the surface. Submerge only in the event of acute danger from the air. Boats put out in the morning and put in the evening, so that the approach routes are passed during the daytime. See Standing Order No. 483, Section D, para. 1). - to be continued -
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07-06-23, 06:45 AM
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#480 | |
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The Old Man
Join Date: Mar 2010
Location: Frankfurt, Germany
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U 115 - First War Patrol (2nd leg) - Hunted by a/c off Cape Town
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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) Friday, 25 June 1943 - West of the Cape of Good Hope - - continued from 25 June, 1209 - 1215 - Incoming Radio Reports: From O.K.W.: a) On 24 June, RAF bombers attacked Elberfeld in the Ruhr region. b) Commanding officer of the 4th Group of the Nachtjagdgeschwader 5 wing, Heinrich Prinz zu Sayn-Wittgenstein flew the Bf 110 nightfighter for the first time, discovered technical issues, and returned to flying his usual Ju 88 aircraft, in which he shot down four British Lancaster bombers. His victories now stand at 35. From B.d.U.: a) To all boats: Status report about development of new boat type XXI and Walter boats. b) As a result of the last traffic report the Cape Town boats at present refueling from the tanker "Schliemann" are ordered on 23 June to take up position in the following operational areas: U 178: western half, U 196: eastern half of KE. Center point : narrows of Mozambique channel. U 198: northern half, U 197 southern half of area off Durban, depth 800 sea miles. U 177: area round KQ 92, depth 400 sea miles. (S. of Madagascar), U 181: area round KG 83, depth 400 sea miles (Mauritius Islands). U 115: Continue to supply point acc. Op.-Orders. All boats will be informed of the presumed traffic situation in their areas. 1323 - Sunrise. Weather and Sea unchanged in 38.5h. 1827 - Qu.8315GR top center left - Magic Eye Detection. Shortly after, a Catalina in 297°true, E=9000, is positioned in Qu.8311GR bottom left, on course SSW and turns toward the boat in 275°true and E=9000. 1829 - "ALARM!". At T=55, 2 bombs and at A-Meter 1 more. No damages. Suspect that the A/C was not fitted with radar, but sighted the boats keel water. 1842 - Setting for Reception Depth. 1851 - T=20. Battery 97.0%, Compressed Air Supply 285Atü, CO₂ 1.1%. 1859 - Surfaced from S-Tiefe after 30min. and 1.6nm. - Weather and Sea unchanged. 1902 - Boat ventilated and Compressed Air Supply filled. 2x1/3-Ahead, 285RPM, 10kn. 2002 - Qu.8319GR top center left - FuMB-Detection in 28°true, E=13000. Giving order to dive. 2003 - Right during the watch change, airplane (is a Wellington) in 28°true, E=9000, direct approach out of the sun. "ALARM!". During the diving process no bombs. 2005 - 1 Wabo and 3 more until 2010 - no damages. 2017 - Setting for Reception Depth. 2026 - T=20. Battery 97.0%, Compressed Air Supply 290Atü, CO₂ 1.1%. 2032 - Surfaced from S-Tiefe after 30min. and 1.5nm. - Weather and Sea unchanged. 2036 - Boat ventilated and Compressed Air Supply filled. 2x1/3-Ahead, 285RPM, 10kn and at 2041 - 2xH.F. 2050 - Qu.8319GR bottom right - Airplane in 005°true, E=5300, direct approach out of the sun, it's a Hudson or Ventura (No FuMB/Magic Eye Detection). Evading with A.K. hard to port. 1 bomb is dropped wide to port - no damages. Airplane flies off on course SSW, boat going back to general course. 2057 - Qu.8319GR bottom right - Airplane in 255°true, E=6700, direct approach, it's a Wellington (No FuMB/Magic Eye Detection). Evading with A.K. hard to stbd., machine-gun fire. 2058 - After the fly-over, "ALARM!". Airplane turns around at E=3400. At T=40, 2 Wabos behind the boat - no damages. 2101 - At A-Meter another 2 Wabos - no damages. Boat going back to general course. 2112 - Setting for Reception Depth. 2121 - T=20. Battery 94.0%, Compressed Air Supply 285Atü, CO₂ 1.1%. 2128 - Surfaced from S-Tiefe after 30min. and 1.6nm. - Weather and Sea unchanged. 2132 - Boat ventilated and Compressed Air Supply filled. 2x1/3-Ahead, 285RPM, 10kn. 2133 - Qu.8351GR top left - Airplane in 21°true, E=8100, direct approach, it's a Sunderland (No FuMB/Magic Eye Detection). 2134 - "ALARM!". At T=35, 1 Wabo wide to Stbd. - no damages. 2138 - At A-Meter, 2 Wabos and again at 2139, 3 Wabos, and another 2 Wabos at 2141 - no damages. 2215 - At A-20. Setting for Reception Depth. 2222 - T=20. Battery 91.4%, Compressed Air Supply 270Atü, CO₂ 1.2%. 2228 - S-Tiefe. A Sunderland can be seen in 250°true, E=9800, on course 24°, is out of sight in 336°true, E=9700 (position is in Qu.8327GR bottom left). 2234 - Surfaced after 1h and 2.9nm. - Weather and Sea unchanged. 2235 - Boat ventilated. 2244 - Compressed Air Supply filled. 2x1/3-Ahead, 285RPM, 10kn, and at 2250, 2xH.F. 2302 - Qu.8351GR bottom right - FuMB-Detection in 215°true, E=14500. Giving the order to dive. Before closing the Conning Tower Hatch, can see a approaching in 215°true, E=8300. At T=25, 1 Wabo behind the boat and at T=45, 1 more Wabo - no damages. At A-10, 6 Wabos - no damges. Boat sinks to A+20 and can only be brought back up to A-Meter with 135rpm. 2307 - Sundown. 2333 - Back to Reception Depth. Battery 90%, Compressed Air Supply 290Atü, CO₂ 1.1%. 2341 - S-Tiefe. A airplane can be seen in 175°true, crosses the bow of the boat at short distance on course NNE. 2347 - Surfaced after 45' and 2.2nm. - Weather and Sea unchanged. 2350 - Boat ventilated and Compressed Air Supply filled. 2x1/3-Ahead, 285RPM, 10kn, and at 2255, 2xH.F. RST
KorvKpt.& Cmdr. U 115
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