This is the information page about the shipwreck Hms narwahl, the water chart below shows the wreck in its immediate vicinity. The position of this wreck is 56 44.122 N,1 35.875 E (56.9658667, 1.2936333)

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: HMS Narwahl

Year of registration: 1981

Water depth above wreck: 96 meter, Height above seabed: 150 cm

Known since: 1981, last detected: 2020

Details measurements/cartography: H3227/78 27.4.81 OBSTN LOCATED 6.4.81 IN 564412N, 013548E [EUR] USING DECCA. EXAMINATION SHOWED OBSTN 13MTRS HIGH IN GEN DEPTH 95MTRS [UNREDUCED]. NO SCOUR. (HNLMS TYDEMAN, TLX DTD 7.4.81). TIDAL REDUCTION 1MTR. INS AS OBSTN 81MTRS.

- NM 101/81. H3227/78 10.6.81 E/S TRACES OF OBSTN RECEIVED UNDER COVER OF LETTER C 8671/811472/VG, DTD 20.5.81. LEAST DEPTH FROM TRACE 78 IN GEN DEPTH 91MTRS [UNCORRECTED]. AMEND TO OBSTN 77MTRS. BR STD. 23.8.84 POSSIBLE SUBMARINE LOCATED IN 564411N, 013556E [EUR] USING PULSE/8. LENGTH 95MTRS. LYING 100/280DEGS. WK STANDS 15MTRS HIGH. (T WOODWARD, SHELL EXPRO (UK) TELECON 23.8.84). NCA. HH262/410/02 30.11.95 LOCATED BY DCS3 USING DGPS AND SHORT BASE LINE POSITIONING OF THE FISH IN 564425.55N, 013558.41E [EUR]. LEAST DEPTH NOT OBTAINED, BUT ONE 'ON TOP' GAVE HT OF 77MTRS. NUMBER OF FISHING NETS NOTED IN THE AREA. GEN DEPTH 95.8MTRS. LENGTH 90MTRS. LIES 150/330 DEGS. (GARDLINE SURVEYS, LTR DTD 28.11.95). AMEND POSN. BR STD. 9.8.17 SUBMARINE LOCATED IN 5644.386N, 0135.881E [WGD] IS PROBABLY THAT OF "HMS NARWAHL". LOCATED BY M/B BY POLISH PRIVATE EXPEDITION SANTI ODNALEZC ORLA SURVEY TEAM 2017. (CAPT DARIUSZ GRABIEC, POLISH NAVY, E-MAIL DTD 5.6.2017). MOVE TO REVISED POSN. (POSITIVE IDENTIFICATION STILL REQUIRED) RSDRA2020/000217481 14.09.2020 WK LOCATED IN 5644.122N, 0135.875E [WGD]. LEAST M/B DEPTH 84MTRS, LENGTH 88.67MTRS, WIDTH 8.36MTRS, HEIGHT 12.54MTRS. (OSV CECILIA H102, DTD 05.09.2020). AMEND TO UPDATED POSN, AWAITING FULL SURVEY DETAILS BEFORE CHANGING LEAST DEPTH, RETAINED AT 77MTRS.
Comment researcher: UK Hydrographic Office

Position: 56 44.122 N,1 35.875 E

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