Barrage Barrier Breakwater Gabion Mole Wreck 47960

Surveying Details

H4613/73 14.6.79 H4613/73 14.6.79 ONE OF SEVERAL OBSTNS THAT LIE IN A LINE SW OF NO MAN'S LAND FORT, PROBABLY REMAINS OF WAR TIME BOOM. LEAST E/S DEPTH 1.0 IN GEN DEPTH 2MTRS IN 504415N, 010549W [OGB] USING TRISPONDER [2 LOP]. NOT FULLY EXAM'D. (HMS WATERWITCH, HI 83/78). NCA YET, PLOTS LESS THAN 50MTRS FROM CHARTED LINE OF OBSTNS.H4613/73 3.9.79 LEGEND 'SUBMERGED BARRIER' INSERTED RUNNING SW FROM NO MAN'S LAND FORT [504422N, 010536.5W]. TWO DOTTED LINES ENCLOSING HEAVY PECKED LINE & OPEN-ENDED AT SW END [APPROX 504405N, 010605.5W]. BR STD. H3847/86 3.1.90 H3847/86 3.1.90 LOCATED 1.11.89 IN 504415.5N, 010548.4W [OGB] USING TRISPONDER [4 LOP]. LEAST E/S DEPTH 1.8MTRS IN GEN DEPTH 2.7MTRS. (HMSML GLEANER, HI 366). NCA. HH232/600/10 2.4.04 HH232/600/10 2.4.04 LEAST DEPTH NOW 2MTRS. (QHM PORTSMOUTH HN 204 DTD 5.3.04) AMENDED TO FOUL GROUND (LEAST DEPTH 2MTRS) BOUNDED BY FOLLOWING LIMITS: [A] 5044.139N, 0106.195W; [B] 5044.408N, 0105.743W; [C] 5044.381N, 0105.696W; [D] 5044.115N, 0106.148W. - NM 2170/04. 16.10.13 16.10.13 SHOWN ON BA 2036 WITH CENTRAL POINT IN 5044.268N, 0105.926W [WGD]. 16.10.13 16.10.13 EXAM'D 4.7.13 IN 5044.313N, 0105.830W [WGD]. LEAST M/B DEPTH 2.1 IN GEN DEPTH 3MTRS. NO SCOUR. POOR MAGNETIC ANOMALY. A LARGE NUMBER OF CONTACTS EXTENDING IN A SE DIRECTION FROM NO MAN'S LAND FORT. PART OF SUBSEA BARRIER. HT OF LARGEST ITEM 0.9MTR. SLIGHT MAGNETIC ANOMALY. (NETSURVEY, HI 1437). RETAIN FOUL AREA, WITH LEGEND '(LEAST DEPTH 2MTRS) CENTRED ON 5044.268N, 0105.926W [WGD], LENGTH 745MTRS, WIDTH 78MTRS, LYING 047/227 DEGS. SEE 'AREA' FOR LIMITS. NCA.