Hms Roche Bonne Wreck

Field Value
Wreck Category non-dangerous wreck
Hms roche bonne Wreck Location
Marine Coordinates (DMM)
49 54.912 N,5 11.878 W
Latitude, Longitude
Decimal Degrees
  • Latitude: 49.915200
  • Longitude: -5.197967
Wreck Depth 68 m
Water Depth 73 m
Water Level Effect always under water/submerged
Vertical Datum Approximate Lowest Astronomical Tide
Name HMS ROCHE BONNE
Type trawler
Flag GB
Sonar Length 35
Sonar Width 11
Shadow Height 5
Orientation 60
Tonnage 258
Tonnage Type gross
Conspic Visual not visually conspicuous
Conspic Radar not radar conspicuous
Date Sunk Apr 7, 1941
Bottom Texture Sand
Original Detection Year 1945
Last Detection Year 2007
Original Source naval vessel
Surveying Details H557/41 1.8.41 *H557/41 1.8.41 POSN 3M SSE OF LIZARD HEAD, OR 495454N, 051024W. (FOIC FALMOUTH, 7.4.41). H0113/45 5.7.45 H0113/45 5.7.45 SONAR CONTACT IN 495506N, 051154W. HEIGHT 24FT, LENGTH 162FT. (PLYMOUTH LIST, 4.7.45). 23.3.45 GOOD SONAR CONTACT IN 495506N, 051154W. LENGTH 162FT, HEIGHT 24FT. PROBABLE WRECK. (ESCORT GROUP 19, 23.3.45). H2979/74 24.2.77 H2979/74 24.2.77 FF REPORTED IN 495509N, 051147W [OGB]. POSN BY DECCA. STATED TO BE BIG. (E GILES, 3.2.77). 8.5.78 8.5.78 INS AS NDWPA IN 495509N, 051147W. BR STD. HH091/059/01 8.4.05 HH091/059/01 8.4.05 EXAM'D 18.9.04 IN 4954.912N, 0511.878W [WGD] USING DGPS. LEAST M/B DEPTH 68.7 IN GEN DEPTH 73.7MTRS. NO SCOUR. LENGTH 35MTRS, WIDTH 11MTRS, HT 5.0MTRS. LIES 060/240 DEGS. POOR MAGNETIC ANOMALY. SMALL, INTACT WK. (GARDLINE, HI 1059). AMEND WK 68MTRS IN REVISED POSN. BR STD. 30.5.07 30.5.07 CONFIRMED AS THE WRECK OF HMS ROCHE BONNE - PREVIOUSLY DESIGNATED AS [22477]. (G POUND, FAX DTD 25.5.07). NCA.
Last Amended Date Apr 8, 2005

Circumstances of loss

2.10.40 BUILT IN 1913. ONE BOILER, TRIPLE EXPANSION ENGINE, SINGLE SHAFT. HIRED AS MINESWEEPER FROM 2.10.40. PASSAGE FROM FALMOUTH. SUNK BY AIR ATTACK. 1 LIFE LOST. (SRN & LL WW2).

General Comments

SMALL, INTACT WK

WRECK MAP LOADING ... 49 54.912 N,5 11.878 W
Hms Roche Bonne on Wreck Map Hms Roche Bonne Wreck on Google Map

Nearby Wrecks:

FAQ

Where is the HMS ROCHE BONNE wreck located?

The HMS ROCHE BONNE wreck is located at coordinates 49 54.912 N,5 11.878 W.

How deep is the HMS ROCHE BONNE and where exactly is it located?

The HMS ROCHE BONNE lies at a depth of about 68 meters and is located at coordinates 49 54.912 N,5 11.878 W.

How deep is the seabed around the HMS ROCHE BONNE?

The seabed around the HMS ROCHE BONNE lies at approximately 73 meters deep.

When did the HMS ROCHE BONNE sink?

The HMS ROCHE BONNE sank on Apr 7, 1941.

When was the wreck of the HMS ROCHE BONNE discovered?

The wreck of the HMS ROCHE BONNE was discovered in 1945.

What country did the HMS ROCHE BONNE belong to?

The HMS ROCHE BONNE belonged to GB.

What was the tonnage of the HMS ROCHE BONNE?

The HMS ROCHE BONNE had a tonnage of 258 tons.

What type of wreck is the HMS ROCHE BONNE?

The HMS ROCHE BONNE is classified as a trawler.