Other Wreck 9590

Field Value
Wreck Category dangerous wreck
Wreck Location
Marine Coordinates (DMM) 		51 30.066 N,1 16.796 E
Latitude, Longitude
Decimal Degrees
  • Latitude: 51.501100
  • Longitude: 1.279933
Wreck Depth 8.5 m
Water Depth 11 m
Water Level Effect always under water/submerged
Vertical Datum Approximate Lowest Astronomical Tide
Conspic Visual not visually conspicuous
Conspic Radar not radar conspicuous
Scour Dimensions ,,001.3,
Original Detection Year 1977
Last Detection Year 1994
Original Source national HO/authority wreck information
Last Amended Date Mar 9, 2015

Simplified Wreck Survey

UK Hydrographic Office survey data for an unnamed underwater wreck located at coordinates 51 30.066 N, 1 16.796 E in the Thames Estuary. Historical hydrographic surveys report a least depth over the obstruction of 8.5 meters, with a general surrounding water depth of 9.7 to 12 meters. Early reports describe the site as a small wreck with minor scouring and no surface indication. Modern multibeam and echosounder survey updates confirm the official least depth clearance for navigation is 8.5 meters.

Surveying Details

H4118/71 22.7.77 SWEPT 27.6.77 IN 513002N, 011654E [OGB] USING HIFIX [2 LOP]. CLEAR AT 8.5MTRS, FOUL AT 8.7MTRS. IN GEN DEPTH 9.7MTRS. SCOUR 11.0MTRS. LEAST DEPTH BY E/S 8.7MTRS. SMALL WK, LITTLE SCOUR & NO SURFACE INDICATION. (PLA WK REPORT 6/77). - NM 1740/77. HH244/410/03 3.11.94 LEAST DEPTH BY E/S 10.8 IN GEN DEPTH 11-12MTRS. (PLA WK REPORT 36/94). NCA. 9.1.15 SHOWN WITH LEAST M/B DEPTH 10.8MTRS ON RECENT THAMES SURVEY. (K FEATHERSTONE, RT1E, EMAIL DTD 9.1.15). AMEND WK 10.8MTRS. 9.3.15 AMENDMENT ABOVE INCORRECT. (K FEATHERSTONE, RT1 EAST, EMAIL DTD 9.3.15). AMEND SW 8.5MTRS.

General Comments

SMALL WK

WRECK MAP LOADING ... 51 30.066 N,1 16.796 E
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