Unknown
Submarine (20th Century)
Site Name Unknown
Classification Submarine (20th Century)
Alternative Name(s) Hms Narwhal (Possibly)
Canmore ID 322413
Site Number OM26NW 8001
NGR OM 20139 66664
Datum WGS84 - Lat/Long
Permalink http://canmore.org.uk/site/322413
- Council Maritime
- Parish Maritime - Offshore
- Former Region Not Applicable
- Former District Not Applicable
- Former County Not Applicable
Reference (19 April 2012)
UKHO Identifier : 003222
Feature Class : Wreck
Wreck Category : Non-dangerous wreck
State : LIVE
Classification : Unclassified
Position (Lat/long) : 56.74028,1.59944
Horizontal Datum : EUROPEAN (1950) (ED50)
WGS84 Position (Lat/long) : 56.73961,1.59794
WGS84 Origin : Block Shift
Previous Position : 56.73667,1.59667
Position Method : Global Positioning System
Position Quality : Precisely known
Depth : 77.0
Depth Method : Found by side-scan sonar
Depth Quality : Least depth known
Water Depth : 96
Water Level Effect : Always under water/submerged
Vertical Datum : Lowest Astronomical Tide
Name : UNKNOWN
Type : ?SUBMARINE
Sonar Length : 90.0
Shadow Height : 15.0
Orientation : 150.0
Contact Description : Entire wreck
Original Sensor : Acoustic Sensor
Last Sensor : Acoustic Sensor
Original Detection Year : 1981
Last Detection Year : 1995
Original Source : Survey Vessel
Last Source : Survey Vessel
Surveying Details : **H3227/78 27.4.81 OBSTN LOCATED 6.4.81 IN 564412N, 013548E [EUR] USING DECCA. EXAMINATION SHOWED OB 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. WKSTANDS 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 7MTRS. 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.
Chart Symbol : WK 77.0
Date Last Amended : 12/03/1999
Date Position Last Amended : 30/11/1995
Note (18 December 2017)
The obstruction originally detected in 1981 and identified as a possible submarine in 1984 was re-surveyed during the Santi Odnalezc Orla expedition in 2017 (Collection ref: WP 004818). The submarine has been tentatively identified as HMS Narwhal, lost in late June 1940, on the basis of her size and shape, the character of the damage to her deck, and the reported sinking of an unidentified Allied submarine in this area by a German aircraft.
Information from HES Survey and Recording (GFG) 18 December 2017.
