Dit is de informatiepagina over het scheepswrak Hmsm a7, op de waterkaart hieronder zie je het wrak in zijn directe omgeving. De positie van dit wrak is 50 18.525 N,4 18.007 W (50.308750, -4.300117)

De teksten bij dit scheepswrak zijn in het engels 🇬🇧, omdat deze worden opgesteld door het UK Hydrographic Office (UKHO) op basis van de gegevens van de hydrografische diensten van onder meer Nederland, België en Duitsland. Ze bevatten de bekende details van het wrak en de opmerkingen van de cartografen die in de loop der tijden de positie en de toestand van het wrak hebben gecontroleerd.

Naam: HMSM A7

Lengte 30.2 meter, breedte: 4 meter, tonnage 207 ton

Oorzaak: failed to surface during an exercise off rame head.

Jaar registratie: 1914

Waterdiepte boven wrak: 36 meter, hoogte boven zeebodem: 110 cm

Bekend sinds: 1914, laatst gedetecteerd: 2020

Details metingen/cartografie: H4267/70 8.9.72 A7 IN 501810N, 041800W [OGB] USING DECCA. A FASTENER. ORIGINALLY REPORTED TO BE LYING ANGLED UPWARD 30-40DEGS WITH STERN BURIED IN MUD UP TO 22FT WITH BOW 33FT OFF BOTTOM. ATTEMPTS TO PULL HER OUT IN 1914 WITH BATTLESHIP [?TUG] 'EXMOUTH' FAILED. WK PROBABLY SETTLED BY NOW. (MR CALKIN, 1.9.72). CHART AS WK 26FMS. BR STD. H4979/72 2.1.73 WK IN 501830N, 041758W [OGB] USING HSA. LEAST DEPTH 34.0MTRS IN 37.0MTRS. NO SCOUR. OUTSIDE SURVEY AREA BUT LOCATED FROM INFORMATION SUPPLIED BY MR CALKIN. GOOD SONAR CONTACT FROM S BUT DIFFICULT TO FIND WITH E/S. SEEMS VERY SMALL FROM E/S TRACE. (HMS WOODLARK, 1972). CHART AS WK 34MTRS. NC 1267. H4979/72 3.7.80 WK LOCATED 5.6.80 IN 501822N, 041751E [OGB] USING DECCA. LEAST E/S DEPTH 33 IN 36MTRS. DCS3 HT 3MTRS. (HMS FAWN, EXERCISE BROWN HERON,). NCA. H1961/79 18.3.81 EXAM'D 31.3.80 IN 501829.2N, 041755.4W [OGB] USING TRISPONDER [2 LOP]. LEAST E/S DEPTH 33.4 IN GEN DEPTH 37MTRS. DCS3 HT 2.72MTRS. SCOUR 1MTR DEEP. LIES 080/260DEGS ON GREY CLAY. POOR E/S RETURN. (HMS WOODLARK, HI 71A/80). CHART AS WK 33 MTRS. BR STD. 16.9.85 DIVED ON BY PLYMOUTH CDT. CONFIRMED AS WK OF A7. STILL IN VERY GOOD CONDITION. LIES UPRIGHT, BURIED IN MUD UP TO WHAT WOULD NORMALLY HAVE BEEN ITS WATERLINE. (LT NUTT, TELECON). NCA. 10.11.89 DIVED ON BY EXETER BSAC IN 501821N, 041752W [OGB]. CONNING TOWER AND PERISCOPE INTACT. (E THOMAS, TELECON). NCA. HH100/351/07 15.7.93 DIVED 19.4.92 IN 501833N, 041800W [OGB] USING DECCA. LEAST DEPTH OBTAINED 39MTRS [DIVER AT LW NEAPS]. LARGELY BURIED IN MUD, DECK CASING STANDS ONLY 1MTR CLEAR OF SEABED. CONNING TOWER AND PERISCOPE STAND 2-3MTRS CLEAR. (G PEACHAM, 30.6.93). NCA. HH100/351/13 26.2.98 WK IS INTACT AND LYING ON AN EVEN KEEL. IN THE MUD UP TO HER SURFACE MARKS. PERISCOPE EXTENDED. TORPEDO LOADING HATCH AND CONNING TOWER HATCH STILL CLOSED. SMALL HOLE ON HER STBD SIDE WHERE A TORCH CAN BE SHONE IN. LIES E/W. STANDS 3MTRS HIGH BY DIVE COMPUTER. (P F BALL, 23.2.98). NCA. HH232/450/06 27.9.02 DESIGNATED AS PROTECTED MILITARY WRECK WITH RESTRICTED AREA RADIUS 200MTRS CENTRED ON 5018.518N, 0417.984W [WGD]. (STATUTORY INSTRUMENT 1761/02).

- NM 5208/02 & NM 5291/03. HH232/450/08 7.4.06 EXAM'D 4.4.06 IN 5018.5271N, 0418.0082W [WGD]. SWEPT CLEAR 31.3, FOUL 31.8MTRS. LEAST M/B DEPTH 30.93MTRS. (HMS ECHO, SIGNAL DTD 4.4.06). AMEND SW 31MTRS IN REVISED POSN.

- NM 2194/06. HH232/450/08 27.4.06 LEAST M/B DEPTH 30.58 IN GEN DEPTH 35.5MTRS. INTACT WITH LITTLE DEBRIS AND NO SCOUR. LIES 135/315 DEGS. (HMS ECHO, ROS). NCA. SEP 2006/000394419 30.10.06 STATUTORY INSTRUMENT 1761/02 CANCELLED. REDESIGNATED AS PROTECTED MILITARY WRECK WITH RESTRICTED AREA RADIUS 200MTRS CENTRED ON 5018.518N, 0417.984W [WGD]. (STATUTORY INSTRUMENT 2616/06). NCA. 28.4.08 PREVIOUS SI CANCELLED. REDESIGNATED AS PROTECTED MILITARY WRECK WITH RESTRICTED AREA RADIUS 200MTRS CENTRED ON 5018.518N, 0417.984W [WGD]. (STATUTORY INSTRUMENT 950/08). 1.2.10 PREVIOUS SI CANCELLED. REDESIGNATED AS PROTECTED MILITARY WRECK WITH RESTRICTED AREA RADIUS 200MTRS CENTRED ON 5018.518N, 0417.984W [WGD]. (STATUTORY INSTRUMENT 3380/09). 16.6.17 PREVIOUS SI CANCELLED. REDESIGNATED AS PROTECTED MILITARY WRECK WITH RESTRICTED AREA RADIUS 200MTRS CENTRED ON 5018.518N, 0417.984W [WGD]. (STATUTORY INSTRUMENT 147/2017). SEP 2020/000287353 25.11.20 WRECK EXAMINED 26.4.20 IN POSITION 5018.525N, 0418.007W [WGD], LEAST M/B DEPTH 30.14 MTRS IN GENERAL DEPTH 36 MTRS, LENGTH 23 MTRS, WIDTH 4 MTRS, HEIGHT 5.9 MTRS, ORIENTATION 110 DEGS. (HI1678, CLINTON MARINE SURVEY LTD). AMEND DW 30 MTRS IN REVISED POSN.
Bron: UK Hydrographic Office

Commentaar onderzoeker: INTACT AND LYING ON AN EVEN KEEL

Positie: 50 18.525 N,4 18.007 W

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