Hmsm Upstart Wreck

Field Value
Wreck Category dangerous wreck
Hmsm upstart Wreck Location
Marine Coordinates (DMM) 		50 30.414 N,1 32.794 W
Latitude, Longitude
Decimal Degrees
  • Latitude: 50.506900
  • Longitude: -1.546567
Wreck Depth 30.15 m
Water Depth 37 m
Water Level Effect always under water/submerged
Vertical Datum Approximate Lowest Astronomical Tide
Name HMSM UPSTART
Type submarine
Flag GB
Length 60 m
Width 4.9 m
Draught 4
Sonar Length 60
Sonar Width 9
Shadow Height 6.6
Orientation 290
Tonnage 740
Tonnage Type displacement
Conspic Visual not visually conspicuous
Conspic Radar not radar conspicuous
Date Sunk Jul 29, 1957
Bottom Texture Sand
Original Detection Year 1974
Last Detection Year 2020
Original Source survey vessel
Last Amended Date Oct 5, 2021

Surveying Details

H525 19.3.74 EXAM'D IN 503022N, 013245W. SWEPT CLEAR 32.5MTRS, FOUL 34.3MTRS. LEAST E/S DEPTH 32.8 IN GEN DEPTH 37.0MTRS. NO SCOUR. (SCES, H525 NO 5/73). BR STD. H1284/75 19.6.75 WK OF SUBMARINE LOCATED. LIES E/W IN 115FT OF WATER AT THE CONNING TOWER. STANDS 23FT HIGH ON SEA BED. MAY BE THE SUBMARINE A.3, SUNK 17.5.1912. APPLICATION TO MOD(N)-CONTRACTS TO PURCHASE WRECK. (LETTER FROM SPITHEAD MARINE SALVAGE LTD OF SOUTHSEA DTD 10.6.75). H1287/75 27.8.75 MAY BE THE SUBMARINE HMS UPSTART, SUNK 29.7.1957, IN A POSITION GIVEN AS 'OFF THE ISLE OF WIGHT', FOR USE AS ASDIC TARGET. (N/CP55225/75 FROM DCN(S). H2555/74 12.1.79 IDENTIFIED AS SMALL SUBMARINE, WITH BOWS EAST. CONNING TOWER LISTING TO PORT 20DEGS, THIS BEING THE PART WHICH GIVES PECULIAR E/S EFFECT. HAS NO GUN AND TOWER IS OF VERY BASIC, ROUND DESIGN WITH HATCH OPEN AS IS LARGER HATCH ON REAR DECKING. PRESSURE HULL APPEARS SOUND AND IS MOSTLY BURIED IN SAND/SHINGLE. PROPELLERS ARE MISSING. DOES NOT CORRESPOND WITH PHOTOGRAPH OF A.3 BOTH IN SIZE OR SHAPE OF CONNING TOWER. (J JAMES). HH090/962/01 4.12.02 EXAM'D IN 5030.415N, 0132.794W [WGD] USING DGPS. SWEPT CLEAR 29.6, FOUL 29.9MTRS. LEAST E/S DEPTH 30.0 IN GEN DEPTH 36MTRS. NO SCOUR. LENGTH 65MTRS, WIDTH 13MTRS. DCS3 HT 5.6MTRS. POOR MAGNETIC ANOMALY. INTACT AND UPRIGHT. PARTIALLY BURIED. (GARDLINE, HI 962). AMEND TO SW 29.5MTRS. BR STD. SEP 2020/000123102 5.10.21 EXAM�D 29.9.20 IN 5030.414N, 0132.794W [WGD]. LEAST M/B DEPTH 30.15TRS IN GEN DEPTH 37MTRS. LENGTH 60MTRS, WIDTH 9MTRS, HT 6.6MTRS. ORIENTATION 290/110 DEGS. (CLINTON MARINE SURVEY AB, HI 1586). AMEND DW 30MTRS IN REVISED POSN.

Circumstances of loss

BUILT IN 1942 BY VICKERS ARMSTRONG, BARROW-IN-FURNESS. TWO OIL ENGINES OF 317BHP, TWIN SHAFT. PASSAGE EX-PORTMOUTH FOR SCUTTLING. ONE 3 INCH DECK GUN, 4 X 21 INCH TT. SUNK FOR USE AS A SONAR TARGET. DECK GUN AND PROPS REMOVED PRIOR TO SINKING.

General Comments

INTACT, UPRIGHT, BOWS E

WRECK MAP LOADING ... 50 30.414 N,1 32.794 W
Hmsm Upstart on Wreck Map Hmsm Upstart Wreck on Google Map

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FAQ

Where is the HMSM UPSTART wreck located?

The HMSM UPSTART wreck is located at coordinates 50 30.414 N,1 32.794 W.

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

The HMSM UPSTART lies at a depth of about 30.15 meters and is located at coordinates 50 30.414 N,1 32.794 W.

How deep is the seabed around the HMSM UPSTART?

The seabed around the HMSM UPSTART lies at approximately 37 meters deep.

When did the HMSM UPSTART sink?

The HMSM UPSTART sank on Jul 29, 1957.

When was the wreck of the HMSM UPSTART discovered?

The wreck of the HMSM UPSTART was discovered in 1974.

What country did the HMSM UPSTART belong to?

The HMSM UPSTART belonged to GB.

What was the tonnage of the HMSM UPSTART?

The HMSM UPSTART had a tonnage of 740 tons.

What type of wreck is the HMSM UPSTART?

The HMSM UPSTART is classified as a submarine.

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