Lonhelen (Possibly) Wreck
| Field | Value |
|---|---|
| Wreck Category | dangerous wreck |
|
Lonhelen (possibly) Wreck Location Marine Coordinates (DMM) |
52 1.2 N,1 40.17 E |
| Latitude, Longitude Decimal Degrees |
|
| Wreck Depth | 14.4 m |
| Water Depth | 20 m |
| Water Level Effect | always under water/submerged |
| Vertical Datum | Approximate Lowest Astronomical Tide |
| Name | LONHELEN (POSSIBLY) |
| Type | steam ship |
| Flag | GB |
| Sonar Length | 57.09 |
| Sonar Width | 11.05 |
| Shadow Height | 5.82 |
| Orientation | 191 |
| Tonnage | 1282 |
| Tonnage Type | gross |
| Cargo | coal |
| Conspic Visual | not visually conspicuous |
| Conspic Radar | not radar conspicuous |
| Date Sunk | Apr 14, 1918 |
| Bottom Texture | Sand |
| Scour Dimensions | 034.0,072.0,001.3,099 |
| Original Detection Year | 1918 |
| Last Detection Year | 2019 |
| Original Source | published World War 1 losses |
| Surveying Details | SUNK AT NORTH END OF SHIPWASH APPROX. (WW1SL). H3052/31 27.10.31 SWEPT 2.7.31. CLEAR 50FT, FOUL 52FT. SEABED 68FT. (HMS KELLETT, 1931). INS AS WK 51FT. H1144/65 3.8.65 EXAM'D IN 520110N, 014016E USING DECCA. LEAST E/S DEPTH 53 IN GEN DEPTH 60/64FT. SCOUR 66FT. GOOD SONAR CONTACT FROM NORTH-WEST. (HMS ECHO). 11.12.72 AMEND TO SW 15.4 MTRS. BR STD. H4139/76 10.1.77 EXAM'D 7.8.76 IN 520110.8N 014012E [OGB] USING HIFIX/6 [2 LOP]. SWEPT CLEAR 14.3, FOULED AT 14.8MTRS. LEAST E/S DEPTH 15 IN GEN DEPTH 18-20MTRS. SCOUR BY E/S 21MTRS. IN 2 PARTS. N PART FOULED. S PART IS 30MTRS AWAY. LARGER N PART IS 50 X 30MTRS FROM DCS3 TRACE. (HMS BULLDOG, HI 31/76). BR STD. H3186/73 21.2.79 EXAM'D IN 520110N, 014016E [OGB] USING HIFIX/6 [2 LOP]. LEAST E/S DEPTH 14.4 IN GEN DEPTH 20MTRS. SCOUR 21MTRS. SONAR HT 3.3MTRS, LENGTH 150FT. LYING N/S. GIVES GOOD SONAR RESPONSE FROM ALL DIRECTIONS. (HMS ENTERPRISE, HI 60C/78). NCA. RETAIN SWEPT DEPTH. H2007/81 16.2.81 EXAM'D 27.3.80 IN 520110.8N, 014018E [OGB] USING HIFIX/6 [2 LOP]. SWEPT CLEAR AT 14.4, FOUL AT 14.8MTRS. LEAST E/S DEPTH 14.8 IN GEN DEPTH 20MTRS. NO SCOUR. DCS3 HT 5MTRS,LENGTH 65MTRS, BEAM 19MTRS. LYING N/S, APPARENTLY UPRIGHT. (HMS ECHO, HI 68B/80). BR STD. HH090/667/01 13.12.95 EXAM'D 21.7.95 IN 520111.47N, 014009.95E [WGD] USING DGPS. SWEPT CLEAR 12.2, FOUL 12.4MTRS. LEAST E/S DEPTH 14.6 IN GEN DEPTH 20MTRS. SCOUR DEPTH 0.2MTR. DCS3 HT 5.3MTRS. STRONG MAGNETIC SIGNATURE. UPRIGHT. WK IS NETTED OR BUOYED. (OCEONICS, HI 667). AMEND SW 12.2MTRS. - NM 1567/95. SEP 2019/000272653 19.11.19 EXAM'D 30.06.19; IN 5201.200N, 0140.170E [WGD]. LEAST M/B DEPTH 14.40MTRS IN GEN DEPTH 20MTRS, LENGTH 57.09MTRS, WIDTH 11.05MTRS, HEIGHT 5.82MTRS, ORIENTATION 191/011 DEGS. SCOUR LENGTH 34MTRS, WIDTH 72MTRS, 1.3MTRS DEEP, TOWARDS 099 DEGS. WRECK SITS UPRIGHT AND INTACT. (CLINTON MARINE, HI 1584). AMEND DW 14.4MTRS IN REVISED POSN. |
| Last Amended Date | Nov 19, 2019 |
Circumstances of loss
PASSAGE NEWCASTLE FOR LONDON. MINED.
Nearby Wrecks:
- Other Wreck 50992 839.8 M
- Other Wreck 20360 875.2 M
- Prince Albert Wreck 1033.5 M
- Rym Wreck 1084.5 M
- Other Wreck 39656 1115.6 M
- Rvf Of Norway Wreck 1278.1 M
- J C Dalble Wreck 1287.1 M
- Hms Worsley (Possibly) Wreck 1321.3 M
- Other Wreck 53471 1338.4 M
- Other Wreck 53230 1640.1 M
General Comments
UPRIGHT & INTACT