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 |
|
| 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 |
| 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. |
| Last Amended Date | Oct 5, 2021 |
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.
Nearby Wrecks:
- Ajax Wreck 236.5 M
- Clyde Wreck 1112.8 M
- Lapwing (Possibly) Or South Western Wreck 1888.9 M
- Barge Wreck 67862 2095 M
- Terlings Wreck 4154 M
- Azemmour Wreck 4904.4 M
- Ernest Lagouve Wreck 4990.9 M
- Cleddy (Probably) Wreck 5583.4 M
- Taku Wreck 5812 M
- Brestois Wreck 5865 M
General Comments
INTACT, UPRIGHT, BOWS E