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05-30-23, 09:10 AM | #11 | |
The Old Man
Join Date: Mar 2010
Location: Frankfurt, Germany
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U 115 - First War Patrol (2nd leg) - Equator Crossing
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) Sunday, 30 May 1943 - Northeast of Brazil 0445 - Qu.2785FD - Crossing Equator - Outgoing F.T.: To B.d.U.: After standing up and down for 3 days, supply boat still not found. Continued outbound transit. Switching to Circuit Afrika-I. 6 eels. 447 cbm. WNW1/1, clear, very good visibility, >1000mb. 1006 - Incoming Radio Report: From B.d.U.: The orders given, in view of the new situation, for the protection of boats against surprise aircraft attacks are summarized as follows in B.d.U.-Standing Order No. 13: The danger of surprise by locating aircraft, particularly by night is great. The following basic principles should be observed by the boats: be as careful as possible while under way and at waiting positions - avoid losses. If the enemy is sighted then go into operation with courage and tenacity in spite of danger from aircraft, remain surfaced and ward off attacks of aircraft when necessary. It is, therefore, ordered that: 1) U-boats approaching and returning from the Biscay area up to 18° W and in the approach area home North Atlantic up to and including square AL, upper third, will proceed submerged as a general rule. They will surface only for charging the battery and ventilating the boat and only by day. Surface run by day is permissible only in very good visibility which excludes the possibility of surprise. Boats should proceed surfaced as a rule on incoming routes. Only submerge when danger of aircraft is acute. Boats will proceed out in the morning and in at evening, so that the incoming route is passed by day. See Standing Order 483, Section D 1. 2) Special instructions will follow regarding passage of several boats together. 3) Procedure in the operational area North Atlantic, i.e. AL, lower and middle third, AK, AD, AJ, BC, BD, north half BE, CG, CF east half, under way and when stopped in position. a) By night: One main engine slow to half speed and the other Diesel engine ready to start up, boat's ventilator switched off. Reason: to detect aircraft approaching by means of hydrophone. b) By day: With higher cruising speed than before confirm that the boats is maneuverable and able to dive. c) If weather conditions are unfavorable, proceed only submerged by day and night. 4) Procedure in coastal area os America, the Caribbean, middle and South Atlantic according to situation and decision of the Commanding Officer. 5) When operating against the enemy no restrictions as to surface run, attack is the most important factor. 6) When proceeding on the surface always keep radar interception apparatus and Flak guns ready for action and manned. 7) B.d.U.-Standing Order No. 483, Section a) Fig. 2 and Section C) invalid at present. Carry out correction in pencil. B.d.U.-Standing Order No. 13, dated April 1943 and admonitory radio message 2303/22/48/165/259/379/416/718/845 is therefore invalid and should be destroyed. 8) In message to O.K.M., O.K.W. is reporting that development of new FuMB-Technology and Accoustic Torpedoes is continuing with highest priority. 1025 - Early Morning Dawn. 1/4-Moon in the East. 1122 - Sunrise. SW1/1, clear, very good visibility, >1000mb. 1149 - All engines stop. Manning flak guns (still outside of Ascension Island air cover zone) - Equator-Crossing Ceremony - 1200 - Qu.5194FD - Days Run: 187.9nm - ↗ 180.6nm (21h 35') - ↘ 7.3nm (2h 25') Total: 4682.4 (25tg 22h) - ↗ 4473.4nm (22tg 17h 59') - ↘ 209.0nm (3tg 04h 01') 447cbm (1.5cbm in 24h); Battery 97%; Course 169°; 3xT-3, 2xEtoFat, 1xT-4; 9xBold; SSW1/1, clear, very good visibility, >1000mb. 1400 - Continuing outbound transit. 2x225RPM/8kn. 2000 - SE5/4, clear, very good visibility, >1000mb. 2321 - Sundown. RST
KorvKpt.& Cmdr. U 115
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