Hms Sapper Wreck
| Field | Value |
|---|---|
| Wreck Category | dangerous wreck |
|
Hms sapper Wreck Location Marine Coordinates (DMM) |
50 37.32 N,0 41.237 W |
| Latitude, Longitude Decimal Degrees |
|
| Wreck Depth | 23.57 m |
| Water Depth | 29 m |
| Water Level Effect | always under water/submerged |
| Vertical Datum | Approximate Lowest Astronomical Tide |
| Name | HMS SAPPER |
| Type | trawler |
| Flag | GB |
| Length | 39.6 m |
| Width | 4.1 m |
| Draught | 3.9 |
| Sonar Length | 41 |
| Sonar Width | 11.5 |
| Shadow Height | 5.4 |
| Orientation | 55 |
| Tonnage | 276 |
| Tonnage Type | gross |
| Conspic Visual | not visually conspicuous |
| Conspic Radar | not radar conspicuous |
| Date Sunk | Dec 29, 1917 |
| Bottom Texture | 6,4 |
| Original Detection Year | 1937 |
| Last Detection Year | 2018 |
| Original Source | unknown |
| Surveying Details | H1098/37 8.3.37 NDW IN 503700N, 004100W. BR STD. H5808/55 27.2.56 AMENDED TO NDW PA. NE 2045. 23.7.71 NOW CHARTED AS USC PA 15MTRS. NC 1652. H2318/74 2.9.75 WK LOCATED 25.6.75 IN 503718N, 004109W [OGB] USING HI-FIX [2 LOP]. LEAST E/S DEPTH 22.8MTRS IN GEN DEPTH 28.5MTRS. SCOUR 2.9MTRS. APPROX 50MTRS IN LENGTH. LYING ABOUT 035/215DEGS. (SCES, HI 62/75). CHART AS WK 22.5MTRS IN REVISED POSN. - NM BLOCK 960/76. H2318/7 2.10.7 WRECK REPORTED IN 503718N, 004109W [OGB] USING DECCA. LIES APPROX E/W, STERN EASTWARD. ABOUT 120FT LONG AND MUCH BROKEN UP. THE HIGHEST POINT BEING A VERTICAL BOILER APPROX 20FT HIGH. VESSEL IS UPRIGHT AND HAS A WHALEBACK BOW. THE IRON PROPELLER AND GENERAL STATE OF THE WK SUGGEST A WW1 COASTER OR SIMILAR. (SPITHEAD MARINE SALVAGE LTD LTR VIA SCES IN LTR DTD 11.8.75). NCA. H4822/75 23.3.77 NOT SEARCHED FOR BUT STATED TO BE 'IN 3 BITS CLOSE TOGETHER'. (FSL WATERWITCH, HI 73/76). NCA. H1287/83 5.10.83 IDENTIFIED AS THE 'SAPPER' FROM NAME PLATE FOUND WHILE DIVING ON WK, APPROX W OF OWERS LANBY. (T FRANCIS, 26.9.83). NCA. HH091/003/01 30.9.03 EXAM'D 13.6.03 IN 5037.320N, 0041.233W [WGD] USING DGPS. SWEPT CLEAR 24.2, FOUL 24.5MTRS. LEAST E/S DEPTH 23.4 IN GEN DEPTH 28MTRS. NO SCOUR. LENGTH 45MTRS, WIDTH 8MTRS. DCS3 HT 3.9MTRS. LIES 080/260 DEGS. MODERATE MAGNETIC ANOMALY. INTACT, ALMOST COMPLETELY BURIED. (NP 1016, HI 1003A). BROKEN UP, IN TWO MAIN PARTS AMEND SW 24MTRS. BR STD. SEP 2018/000198963 10.08.18 EXAM'D 07.02.18; IN 5037.320N, 0041.237W [WGD]. LEAST M/B DEPTH 23.57MTRS IN GEN DEPTH 29MTRS, LENGTH 41MTRS, WIDTH 11.5MTRS, HEIGHT 5.4MTRS, ORIENTATION 055/235 DEGS. BROKEN INTO TWO SECTIONS OF HULL WITH UPPER LEVELS REMOVED. BOTH SECTIONS HAVE COLLAPSED OVER TOWARDS THE NW. THE SW, (PRESUMABLY BOW), SECTION IS THE MOST INTACT PART. THE MIDDLE SECTION HAS ALMOST ENTIRELY COLLAPSED, WHERE THE VESSEL TWISTED APART. THE NE, (PRESUMABLY STERN), SECTION HAS A SINGLE UPRIGHT BOILER EXPOSED AND POSSIBLE RUDDER. 45MTRS NE OF THE STERN IS A FEATURE THAT MAY BE DEBRIS FROM THIS WRECK. (MMT, HI 1498). AMEND DW 23.5MTRS IN REVISED POSN. |
| Last Amended Date | Aug 10, 2018 |
Circumstances of loss
11.12.14 BUILT IN 1915 BY SMITH'S COCK, HULL. PURCHASED 11.12.14. ONE BOILER, TRIPLE EXPANSION ENGINE, SINGLE SHAFT. DISAPPEARED OFF OWERS LTV. PROBABLY MINED. (WW1SL, SIBI & COLLEDGE).
WRECK MAP LOADING ...
50 37.32 N,0 41.237 W
Hms Sapper on Wreck Map
Hms Sapper Wreck on Google Map
Nearby Wrecks:
- Gartland Wreck 2840.8 M
- Carbineer Wreck 2845.1 M
- Axwell Wreck 2868.9 M
- Hedwig Lunstedt Wreck 3005.8 M
- Other Wreck 3348 3291.4 M
- Other Wreck 5122 3313.6 M
- Menelaos Wreck 3920 M
- Other Wreck 13889 4198 M
- Basil-2 Wreck 4261.5 M
- Other Wreck 3507 4296.7 M
General Comments
BROKEN UP, IN TWO MAIN PARTS, BOW SW MOST INTACT.