Hmsm A3 Wreck
| Field | Value |
|---|---|
| Wreck Category | dangerous wreck |
| Status | historic |
|
Hmsm a3 Wreck Location Marine Coordinates (DMM) |
50 31.424 N,2 11.315 W |
| Latitude, Longitude Decimal Degrees |
|
| Wreck Depth | 31 m |
| Water Depth | 36 m |
| Water Level Effect | always under water/submerged |
| Vertical Datum | Approximate Lowest Astronomical Tide |
| Name | HMSM A3 |
| Type | submarine |
| Flag | GB |
| Length | 30.5 m |
| Width | 3.7 m |
| Sonar Length | 26.1 |
| Sonar Width | 4.15 |
| Shadow Height | 5.2 |
| Orientation | 161 |
| Tonnage | 165 |
| Tonnage Type | displacement |
| Conspic Visual | not visually conspicuous |
| Conspic Radar | not radar conspicuous |
| Date Sunk | Jan 1, 1912 |
| Bottom Texture | Sand |
| Original Detection Year | 1918 |
| Last Detection Year | 2016 |
| Original Source | unknown |
| Surveying Details | H2754/18 23.5.18 WK REPD IN 503100N, 021100W. (AUTHORITY NOT STATED). - NM 646/18. H2822/20 21.4.20 BUOY MARKING WK REMOVED. (HMS HAWKINS REMARK BOOK, 1919). - NM 821/20. H4607/28 6.7.32 NOW CHARTED AS NDW. LC 2615. H3141/36 8.11.37 NOW CHARTED AS NDW PA. (AUTHORITY NOT STATED). LC 2160. H1730/65 10.6.68 NOT LOCATED DURING BASIC SOUNDING LINES BUT NOT SEARCHED FOR. (FSL WATERWITCH, ROS 29.2.68). NCA. 11.2.69 REPORTED TO BE A TRAWLER, APPROX 40FT LONG, LOCATED ABOUT 0.25M W OF PRESENT POSN. (T SIMS, SUB AQUA DIVER). NCA YET. 7.11.72 NOW CHARTED AS USC PA 8MTRS. (AUTHORITY NOT STATED). NC 2610. H3950/70 13.7.73 NOW CHARTED AS USC PA 18MTRS. PREVIOUS ESTIMATED DEPTH IN ERROR. BR STD. 1.6.88 FISHERMEN REPORT FOULING GEAR IN 503100N, 021100W APPROX. (I K JOHNSON, TELECON). 20.5.92 WK, THOUGHT TO BE A 'B' CLASS SUBMARINE, LOCATED IN 503125N, 021115.5W. STANDS 5MTRS HIGH IN GEN DEPTH 39MTRS. 100-120FT LONG. (A SMITH, WEYMOUTH, TELECON). NCA YET HH100/351/05 12.6.92 WK IN 503125N, 021115.5W POSITIVELY IDENTIFIED AS A BRITISH SUBMARINE. STANDS ABOUT 5MTRS HIGH IN GEN DEPTH 38MTRS. LIES INTACT APART FROM THE 'ELBOWS' ON THE CONNING TOWER BREATHER TUBES, THE PLATFORM AND STEERING CONTROLS. (A SMITH, 20.5.92). 8.6.92 NOW THOUGHT TO BE AN 'A' CLASS SUBMARINE. (A GRAHAM, TELECON 8.6.92). 10.6.92 ALMOST CERTAINLY THE WK OF HMS A3. (CDR COMPTON-HALL, SUBMARINE MUSEUM, TELECON 10.6.92). COMMERCIAL GUARD REQUESTED. CHART AS USC 30MTRS IN 503125N, 021115.5W. BR STD. HH100/351/08 9.11.93 POSN BY DECCA:- 503100.5N, 021042W. (J K WELCH, 13.10.93). NCA YET. 20.8.98 CINC DELETED. MORE THAN 5 YEARS. HH100/351/22 22.3.05 POSN CONFIRMED AS 5031.423N, 0211.317W [WGD] BY I TAYLOR. (N R CHIPCHASE). RETAIN AS WK USC 30MTRS IN REVISED POSN. BR STD. HH091/154/01 - SEP 2009/000108988 21.7.09 LOCATED 27.2.09 IN 5031.424N, 0211.315W [WGD] USING DGPS. LEAST M/B DEPTH 31.29 IN GEN DEPTH 36.5MTRS. NO SCOUR. LENGTH 26.1MTRS, WIDTH 4.15MTRS, HT 5.2MTRS. LIES 161/341 DEGS. MODERATE MAGENTIC ANOMALY. INTACT. (FUGRO OSAE, HI 1154). AMEND WK 31MTRS. BR STD. 3.8.16 STATUTORY INSTRUMENT; SI 2016 NUMBER 685, CAME INTO EFFECT 21.7.2016. 50MTR RESTRICTED ZONE AROUND WK. (E-MAIL RUSSELL MAN, LISTING OFFICER HISTORIC ENGLAND; REF NUMBER 1422535). |
| Last Amended Date | Jul 21, 2009 |
Circumstances of loss
6.2.1912 SANK 6.2.1912 FOLLOWING A COLLISION WITH HMS HAZARD. WAS RAISED AND A FEW WEEKS LATER WAS TOWED TO SEA AND SUNK BY GUNFIRE FROM HMS ST VINCENT. (BENEATH THE WAVES).
WRECK MAP LOADING ...
50 31.424 N,2 11.315 W
Hmsm A3 on Wreck Map
Hmsm A3 Wreck on Google Map
Nearby Wrecks:
- Other Wreck 14184 2452.7 M
- Other Wreck 14187 2682.6 M
- Other Wreck 14186 2930.3 M
- Hms Arfon Wreck 3099.1 M
- Aeolian Sky Wreck 3739.1 M
- Wreck Of An Admiralty Mooring Lighter, Known As The Pin Wreck. Wreck 3810.9 M
- Other Wreck 14192 4107 M
- Other Wreck 14193 4410.8 M
- Other Wreck 12792 4412.7 M
- Other Wreck 12777 4783.7 M
General Comments
INTACT [50m Restricted Zone].