Ub 81 Wreck
| Field | Value |
|---|---|
| Wreck Category | dangerous wreck |
| Status | historic |
|
Ub 81 Wreck Location Marine Coordinates (DMM) |
50 29.442 N,0 58.351 W |
| Latitude, Longitude Decimal Degrees |
|
| Wreck Depth | 23.59 m |
| Water Depth | 27 m |
| Water Level Effect | always under water/submerged |
| Vertical Datum | Approximate Lowest Astronomical Tide |
| Name | UB 81 |
| Type | submarine |
| Flag | DE |
| Length | 55.5 m |
| Width | 5.8 m |
| Sonar Length | 37 |
| Sonar Width | 8 |
| Shadow Height | 3.9 |
| Orientation | 85 |
| Tonnage | 650 |
| Tonnage Type | displacement |
| Conspic Visual | not visually conspicuous |
| Conspic Radar | not radar conspicuous |
| Date Sunk | Dec 1, 1917 |
| Bottom Texture | Gravel |
| Original Detection Year | 1961 |
| Last Detection Year | 2016 |
| Original Source | naval vessel |
| Surveying Details | H6667/57 28.1.61 NO ASDIC CONTACT IN IMMEDIATE VICINITY. (HMS DALRYMPLE, SURVEY [K2007/3], 1958). 4.3.70 REPD SINKING POSN 502700N, 005100W. (N M B). 11.9.74 REPD LOCATED SOME 14M SE OF I OF WIGHT. (N/CP 55746/74). H1284/74 16.6.75 VESSEL UPRIGHT. LIES E/W. SLIGHT DAMAGE TO BOW. MR R TODD HAS MADE A REQUEST TO PURCHASE WK FROM ADMIRALTY. (SPITHEAD MARINE SALVAGE LTD, 20.5.75). H4121/76 10.1.77 WK EXAM'D 16.6.76 IN 502922N, 005812W [OGB] USING HIFIX [2 LOP]. LEAST E/S DEPTH 22.5 IN GEN DEPTH 28MTRS [LAT]. DCS3 HT 5MTRS, LENGTH 40MTRS. LIES 085/265 DEGS. GOOD SONAR CONTACT ON FLAT SEA BED. CONFIRMED AS WK OF UB 81 BY MR TODD OF SPITHEAD MARINE SALVAGE. (HMS FOX, HI 52/76). CHART AS WK 22MTRS [12FMS]. - NM 492/77. HH100/351/03 31.8.90 DIVED ON IN 502927N, 005824W [OGB]. UPRIGHT BUT WITH CONNING TOWER ON SEABED HIGHEST PART IS GUN WHICH POINTS UPWARDS TOWARDS THE SURFACE. (D C FOX). HH100/351/08 10.11.93 DIVED ON IN 502922N, 005806W [OGB]. LIES E/W WITH STERN W. REMAINS FAIRLY INTACT BUT BOW TUBES AND PROPELLERS HAVE BEEN REMOVED. (M WOODWARD, ARTICLE IN SPORT DIVER). HH090/952/01 30.10.03 EXAM'D 8.6.03 IN 5029.442N, 0058.351W [WGD] USING DGPS. SWEPT CLEAR 23.5, FOUL 23.9MTRS. LEAST E/S DEPTH 23.6 IN GEN DEPTH 27-28MTRS. NO SCOUR. LENGTH 36MTRS, WIDTH 7MTRS. DCS3 HT 3.8MTRS. LIES 083/263 DEGS. POOR MAGNETIC ANOMALY. INTACT. (GARDLINE, HI 952). - NM 423/04. SEP 2006/000394419 30.10.06 DESIGNATED AS PROTECTED MILITARY WRECK WITH RESTRICTED AREA RADIUS 250MTRS CENTRED ON 5829.442N, 0058.351W [WGD]. (STATUTORY INSTRUMENT 2616/06). INS REST'D AREA. - NM 5427/06. 28.4.08 PREVOUS SI CANCELLED. REDESIGNATED AS PROTECTED MILITARY WRECK WITH RESTRICTED AREA RADIUS 250MTRS CENTRED ON 5829.442N, 0058.351W [WGD]. (STATUTORY INSTRUMENT 950/08). NCA. 1.2.10 PREVOUS SI CANCELLED. REDESIGNATED AS PROTECTED MILITARY WRECK WITH RESTRICTED AREA RADIUS 250MTRS CENTRED ON 5829.442N, 0058.351W [WGD]. (STATUTORY INSTRUMENT 3380/09). NCA. SEP 2016/000165703 4.5.17 EXAM'D 13.11.16 IN 5029.442N, 0058.351W [WGD]. LEAST M/B DEPTH 23.59MTRS IN GEN DEPTH 27MTRS. LENGTH 37MTRS, WIDTH 8MTRS, HT 3.9MTRS. ORIENTATION 085/265 DEGS. HEAVY DAMANGE TO BOW. FIN/TOWER COLLAPSED TO SEAFLOOR ON N SIDE OF WRECK. (MMT UK, HI 1499). NCA. 16.6.17 PREVIOUS SI CANCELLED. REDESIGNATED AS PROTECTED MILITARY WRECK WITH RESTRICTED AREA RADIUS 200MTRS CENTRED ON 5029.442N, 0058.351W [WGD]. (STATUTORY INSTRUMENT 147/2017). |
| Last Amended Date | May 4, 2017 |
Circumstances of loss
UB III CLASS SUBMARINE, BUILT 1917. SUNK BY MINE.
WRECK MAP LOADING ...
50 29.442 N,0 58.351 W
Ub 81 on Wreck Map
Ub 81 Wreck on Google Map
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- Gerarda Wreck 3908.3 M
- U 90 Wreck 4945.8 M
- U 90 Wreck 4969.9 M
- Wapello Wreck 5690.1 M
- Other Wreck 3423 5769 M
- Other Wreck 1691 6850.1 M
- Wapello Wreck 7065 M
- U 1195 Wreck 7672.9 M
- Gentrice Wreck 8069.3 M
General Comments
INTACT, HEAVY DAMAGE TO BOW