This is the information page about the shipwreck Hmsm grampus, the water chart below shows the wreck in its immediate vicinity. The position of this wreck is 55 56.928 N,5 23.772 W (55.839633333333, -5.2771333333333)

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: HMSM GRAMPUS

Length 73.5 meter, width: 8.2 meter, draught: 5.5, tonnage 1610 ton

Cause: was to be scuttled for use as u/w target, but sank prematurely.

Year of registration: 1980

Water depth above wreck: 130 meter, Height above seabed: 0 cm

Known since: 1980, last detected: 2016

Details measurements/cartography: H4800/80 17.10.80 VESSEL HAS FOUNDERED IN 555639N, 052330W & IS UNMARKED. (CLYDE PORT AUTHORITY, HN H/6/80, 13.10.80). 31.10.80 REPD AS WK OF SUBMARINE HMS GRAMPUS. POSITIONAL DETAILS WILL BE FORWARDED. (SOO, COMCLYDE, TELECON 31.10.80). NCA YET. H4800/80 25.11.80 HULK OF GRAMPUS LOCATED BY MV SEAFORTH CLANSMAN IN 555654N, 052336W. IT IS INTACT, LYING ROUGHLY N/S & LEVEL ON SEABED. IT IS INTENDED TO MARK IT WITH A SONAR TRANSPONDER WITH 3.5 YEAR LIFE. IT IS POSSIBLE THE HULK MAY BE RECOVERED AS DMS(N) SALVAGE EXERCISE IN ABOUT 3 YEARS TIME. (COMCLYDE, LTR DTD 3.11.80). INS AS USC 110MTRS.

- NM 2656/80. H4800/80 13.11.87 POSN CHECKED USING ARTEMIS. LIES IN 555651.5N, 052336W [OGB]. (P D BOUCHARD, MV BALGOWNIE, HN 2.10.87). AMEND POSN. BR STD. SEP 2020/000234877 2.10.20 WK LOCATED IN 5556.928N, 0523.772W [WGD]. LEAST M/B DEPTH 125.624MTRS. NFS. (BRITISH GEOLOGICAL SURVEY 25.11.15-17.4.16). RETAIN PREVIOUS DEPTH IN REVISED POSN.
Comment researcher: UK Hydrographic Office

Commentaar onderzoeker: INTACT & UPRIGHT

Position: 55 56.928 N,5 23.772 W

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