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
|
- Latitude: 50.490700
- Longitude: -0.972517
|
| 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 |
| Last Amended Date |
May 4, 2017 |
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).
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
FAQ
Where is the UB 81 wreck located?
The UB 81 wreck is located at coordinates 50 29.442 N,0 58.351 W.
How deep is the UB 81 and where exactly is it located?
The UB 81 lies at a depth of about 23.59 meters and is located at coordinates 50 29.442 N,0 58.351 W.
How deep is the seabed around the UB 81?
The seabed around the UB 81 lies at approximately 27 meters deep.
When did the UB 81 sink?
The UB 81 sank on Dec 1, 1917.
When was the wreck of the UB 81 discovered?
The wreck of the UB 81 was discovered in 1961.
What country did the UB 81 belong to?
The UB 81 belonged to DE.
What was the tonnage of the UB 81?
The UB 81 had a tonnage of 650 tons.
What type of wreck is the UB 81?
The UB 81 is classified as a submarine.
General Comments
INTACT, HEAVY DAMAGE TO BOW