Ex-Hmsm H 11 Wreck

Field Value
Wreck Category non-dangerous wreck
Ex-hmsm h 11 Wreck Location
Marine Coordinates (DMM) 		55 50.106 N,1 48.598 W
Latitude, Longitude
Decimal Degrees
  • Latitude: 55.835100
  • Longitude: -1.809967
Wreck Depth 60.27 m
Water Depth 68 m
Water Level Effect always under water/submerged
Vertical Datum Approximate Lowest Astronomical Tide
Name EX-HMSM H 11
Type submarine
Flag GB
Length 45.8 m
Width 4.8 m
Draught 3.7
Sonar Length 46.3
Sonar Width 6.72
Shadow Height 6.9
Orientation 150
Tonnage 434
Tonnage Type displacement
Conspic Visual not visually conspicuous
Conspic Radar not radar conspicuous
Date Sunk Dec 17, 1920
Bottom Texture Sand
Original Detection Year 2001
Last Detection Year 2022
Original Source ship visit/hydrographic note report
Surveying Details 18.6.01 WK LOCATED IN 5550.108N, 0148.601W [WGD] USING DGPS. LEAST E/S DEPTH 60.1 IN GEN DEPTH 68MTRS. HT 6.4MTRS. (GARDLINE, HN DTD 16.6.01). BR STD. HH090/915/01 11.1.02 EXAM'D 21.4.01 IN 5550.107N, 0148.601W [WGD] USING DGPS. LEAST E/S DEPTH 60.1 IN GEN DEPTH 67MTRS. NO SCOUR. LENGTH 45MTRS, WIDTH 9MTRS. DCS3 HT 6.4MTRS. LIES 154/334 DEGS. POOR MAGNETIC ANOMALY. INTACT, UPRIGHT. GOOD SHADOW. PROBABLE SUBMARINE. (GARDLINE, HI 915). AMEND POSN. BR STD. HH100/351/20 8.9.03 CONSIDERED TO BE AN 'A' CLASS BOAT LOST ON THE WAY TO THE SCRAP YARD WHEN SHE SANK. THE HOLE IN THE TOP MAY BE THE RESULT OF A BATTERY EXPLOSION, BUT THIS IS JUST SPECULATION. BOAT IS NOT GERMAN AND MOST PROBABLY BRITISH, HOWEVER NO SUBS WERE LOST IN THIS AREA THAT HAVE NOT BEEN ACCOUNTED FOR. SIZE AND SHAPE ARE VERY SIMILAR TO THE 'A' CLASS AS THEY HAD BRASS CONNING TOWERS AND A DEADLIGHT NEXT TO THE CT HATCH. (R YOUNG, EMAIL DTD 27.8.03). NCA. H11 21.5.07 DIVED APR '07 AND IDENTIFIED AS H11 IN 5550.11N, 0148.55W [WGD]. CINC REQUESTED. (I MCCARTNEY, E-MAIL DTD 18.5.07) NCA. RSDRA2022000214078 3.10.22 EXAM'D 26.03.2022; IN 5550.106N, 0148.598W [WGD]. LEAST M/B DEPTH 60.27MTRS IN GEN DEPTH 68MTRS. LENGTH 46.30MTRS, WIDTH 6.72MTRS, HEIGHT 6.9MTRS, ORIENTATION 150/330 DEGS. INTACT, UPRIGHT. (A-2-SEA SOLUTIONS LTD, HI1711 - H525-59471). AMEND NDW 60MTRS IN REVISED POSN.
Last Amended Date Feb 6, 2023

Circumstances of loss

BUILT IN 1915 BY FORE RIVER YARD, USA. SUNK WHILE UNDER TOW FOR SCRAPPING.

General Comments

INTACT, UPRIGHT

WRECK MAP LOADING ... 55 50.106 N,1 48.598 W
Ex-Hmsm H 11 on Wreck Map Ex-Hmsm H 11 Wreck on Google Map

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FAQ

Where is the EX-HMSM H 11 wreck located?

The EX-HMSM H 11 wreck is located at coordinates 55 50.106 N,1 48.598 W.

How deep is the EX-HMSM H 11 and where exactly is it located?

The EX-HMSM H 11 lies at a depth of about 60.27 meters and is located at coordinates 55 50.106 N,1 48.598 W.

How deep is the seabed around the EX-HMSM H 11?

The seabed around the EX-HMSM H 11 lies at approximately 68 meters deep.

When did the EX-HMSM H 11 sink?

The EX-HMSM H 11 sank on Dec 17, 1920.

When was the wreck of the EX-HMSM H 11 discovered?

The wreck of the EX-HMSM H 11 was discovered in 2001.

What country did the EX-HMSM H 11 belong to?

The EX-HMSM H 11 belonged to GB.

What was the tonnage of the EX-HMSM H 11?

The EX-HMSM H 11 had a tonnage of 434 tons.

What type of wreck is the EX-HMSM H 11?

The EX-HMSM H 11 is classified as a submarine.

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