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 |
|
| 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).
Nearby Wrecks:
- Hms Brandlebas Wreck 218.6 M
- U 95 Wreck 1077.3 M
- Samlanes Wreck 1337.4 M
- Wyndcliffe Wreck 1516.2 M
- Poljames Wreck 1966 M
- Poljames Wreck 2003.6 M
- Pearl (Possibly) Wreck 2528.8 M
- Ardgarry Wreck 2643.3 M
- Active Wreck 3323.8 M
- Caroline Wreck 4048.1 M
General Comments
SMALL, INTACT WK