Hmsm Sidon Wreck

Field Value
Wreck Category dangerous wreck
Hmsm sidon Wreck Location
Marine Coordinates (DMM) 		50 32.973 N,2 38.471 W
Latitude, Longitude
Decimal Degrees
  • Latitude: 50.549550
  • Longitude: -2.641183
Wreck Depth 23.32 m
Water Depth 33 m
Water Level Effect always under water/submerged
Vertical Datum Approximate Lowest Astronomical Tide
Name HMSM SIDON
Type submarine
Flag GB
Length 66.1 m
Width 7.3 m
Draught 5.2
Sonar Length 64.9
Sonar Width 9.1
Shadow Height 8.5
Orientation 30
Conspic Visual not visually conspicuous
Conspic Radar not radar conspicuous
Date Sunk Jun 14, 1957
Bottom Texture 4/6
Original Detection Year 1957
Last Detection Year 2015
Original Source other
Surveying Details H4446/56 28.2.57 NDW IN 503300N, 023842W. (ADMIRALTY). BR STD. H4446/56 25.1.60 WRECK IS HEADING 280DEGS. POSN 503300N 023842W. (AUTHORITY NOT STATED). 16.1.73 INS AS USC 28MTRS. NC 3315. H4078/76 11.11.76 NOW WK 27MTRS IN 503255N, 023824W [OGB]. POSN FROM DECCA. (QHM PORTLAND, 4.11.76). - NM 2371/76. H2923/83 28.6.84 EXAM'D 26.6.84 IN 503256N, 023824W [OGB]. SWEPT CLEAR 22.8MTRS, FOUL 23.3MTRS. LEAST E/S DEPTH 23.4MTRS. LENGTH 55MTRS. LYING 040/220 DEGS. LOCAL DIVER STATES PERISCOPE INTACT AND PROJECTING 8FT ABOVE CONNING TOWER. (GARDLINE SURVEYS, HI 202, TLX DTD 27.6.84). - NM 1917/84. HH100/351/16 12.10.00 DIVED WITH BOW IN 5032.954N, 0238.498W [WGD] & STERN IN 5032.980N, 0238.446W [WGD]. STANDS 7.3MTRS HIGH BY DEPTH GAUGE. NO SCOUR. NO DEBRIS. SEABED SAND & SHINGLE. WK IS UPRIGHT & WHOLLY INTACT. LOOKS LIKE AN OPERATIONAL SUBMARINE. LIMITED MARINE GROWTH. (T JOHNSON, LETTER DTD 10.10.00). LIES 046/226 DEGS WITH LENGTH 70MTRS BY CALCULATION. AMEND POSN. BR STD. SEP 2015/000019320 8.7.15 EXAM'D 14.3.15 LEAST M/B DEPTH 23.32MTRS IN 5032.973N, 0238.471W [WGD], GEN DEPTHS 33MTRS. LENGTH 64.9MTRS, WIDTH 9.1MTRS, HEIGHT 8.5MTRS. ORIENTATION 030/210 DEGS. INTACT, LISTING TO STB. STRONG MAGNETIC ANOMALY. (MMT, HI 1453). AMEND TO DW 23MTRS IN REVISED POSN.
Last Amended Date Jul 8, 2015

Circumstances of loss

16.6.55 VESSEL, SUNK ON 16.6.55 BY ACCIDENTAL TORPEDO EXPLOSION AT PORTLAND. WAS RAISED THE SAME YEAR & SUNK AGAIN FOR USE AS AN A/S TARGET IN JUNE 1957.

General Comments

INTACT, LISTING TO STB.

WRECK MAP LOADING ... 50 32.973 N,2 38.471 W
Hmsm Sidon on Wreck Map Hmsm Sidon Wreck on Google Map

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FAQ

Where is the HMSM SIDON wreck located?

The HMSM SIDON wreck is located at coordinates 50 32.973 N,2 38.471 W.

How deep is the HMSM SIDON and where exactly is it located?

The HMSM SIDON lies at a depth of about 23.32 meters and is located at coordinates 50 32.973 N,2 38.471 W.

How deep is the seabed around the HMSM SIDON?

The seabed around the HMSM SIDON lies at approximately 33 meters deep.

When did the HMSM SIDON sink?

The HMSM SIDON sank on Jun 14, 1957.

When was the wreck of the HMSM SIDON discovered?

The wreck of the HMSM SIDON was discovered in 1957.

What country did the HMSM SIDON belong to?

The HMSM SIDON belonged to GB.

What type of wreck is the HMSM SIDON?

The HMSM SIDON is classified as a submarine.

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