This is the information page about the shipwreck Ub 74, the water chart below shows the wreck in its immediate vicinity. The position of this wreck is 50 31.817 N,2 33.429 W (50.530283, -2.557150)

The texts accompanying this shipwreck are in English 🇬🇧, as they are prepared by the UK Hydrographic Office (UKHO) based on data from UKHO and the hydrographic services of the Netherlands, Belgium and Germany, among others. They include the known details of the wreck and the comments of the cartographers who have checked the position and condition of the wreck over time.

Name: UB 74

Length 55.5 meter, width: 5.8 meter, tonnage 650 ton

Cause: depth-charged & sunk by hm yacht lorna.

Year of registration: 1918

Water depth above wreck: 33 meter, Height above seabed: 165 cm

Known since: 1918, last detected: 2009

Details measurements/cartography: 4.6.18 SUNK IN 503200N, 023330W, 4M N 60M W OF PORTLAND BILL. (PORTLAND AP REPORT). H820/32 29.4.32 GERMAN SUBMARINE 291DEGS, 3.7M FROM PORTLAND BILL. DEPTH OVER WRECK 15FMS. (RA GOSPORT, FEB 1932). CHART AS WK 15FMS 0FT IN 503206N, 023342W BY NM. 22.3.45 SONAR CONTACT IN APPROX 503212N, 023318W. (AUBD 303/154). H3971/52 3.7.52 WK IN 503158N, 023306W USING HSA. WIRE DRIFT SWEEP ON 27.5.52, CLEAR AT 12FMS FOUL AT 13FMS. LEAST DEPTH 86FT. EXTENDS FOR ABOUT 250FT IN A NE/SW DIRECTION. LIES IN SURROUNDING DEPTHS OF 18FMS. (HMS SCOTT/SCES, 27.5.52, SURVEY [E9419]). CHART AS WK 12FMS 0FT IN REVISED POSN. NOTE. HH3950/70 21.5.71 NOW CHARTED AS WK 21.5 MTRS [LAT - 0.4MTRS]. NC 3315. H2923/83 2.1.85 EXAM'D ON 8.7.84 IN 503200N, 023304W [OGB] USING SYLEDIS. SWEPT CLEAR AT 26.0, FOUL AT 26.2MTRS. LEAST E/S DEPTH 26.6 IN GEN DEPTH 33MTRS. SCOUR 2MTRS DEEP. DCS3 HT 7.3MTRS. LYING 150/330DEGS. (GARDLINE SURVEYS, HI 202). AMEND TO SW 26MTRS IN REVISED POSN. HH100/351/16 13.10.00 DIVED IN 5031.816N, 0233.430W [WGD] USING DGPS. FAIRLY HEAVILY BROKEN. PRESSURE HULL BREACHED. (T JOHNSON. LTR DTD 10.10.00). NCA. SEP 2010/000005843 29.12.09 LOCATED 25.2.09 IN 5031.817N, 0233.429W [WGD] USING DGPS. LEAST M/B DEPTH 30.30 IN GEN DEPTH 34.5MTRS. NO SCOUR. LENGTH 51.5MTRS, WIDTH 18.3MTRS, HT 4.65MTRS. LIES 015/195 DEGS. STRONG MAGNETIC ANOMALY. (FUGRO OSAE, HI 1154). POOR SONAR CONTACT. INTACT. AMEND WK 30MTRS IN REVISED POSN. BR STD. 30.7.18 DIVED 2018 BY GRAHAM LOCKETT (NAVAL AIR COMMAND, SAC) CONFIRMED AS A SUBMARINE. NFA.
Comment researcher: UK Hydrographic Office

Commentaar onderzoeker: INTACT

Position: 50 31.817 N,2 33.429 W

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