Surveying Details
H8211/47 12.12.47 SUNK IN 511631N, 012913E. (DOVER, DTD 8.7.45). CHART AS DW PA. - NM 3202/47. H5120/51 11.10.55 AMEND TO DW. (HMS SCOTT). - NM 2267/55. H5120/51 20.7.56 AMEND TO SW 7FMS 1FT IN 511631N, 012902E. (ECESU, DTD 1.7.56). - NM 1949/56. H2421/62 23.8.62 DRIFT SWEPT CLEAR AT 45FT, FOUL 46FT. LEAST E/S DEPTH 54 IN GEN DEPTH 55FT. SCOUR DEPTH 70FT. POSN BY HSA. (HMS EGERIA, 24.5.62). AMEND TO SW 7FMS 3FT. BR STD. H1219/63 5.3.64 VERY SMALL, DIFFICULT TO LOCATE. (HMS ENTERPRISE, DTD 28.2.63). NOT LOCATED IN SURVEYS BETWEEN 1965 & 1977, INCLUSIVE. AMEND TO F. BR STD. H2234/71 2.2.71 NOT FOUND AFTER CLOSE INVESTIGATION. NOT LOCATED DURING AREA SONAR SEARCH. EXISTENCE DOUBTFUL. (SOISS, 31.12.70). DELETE. BR STD. H2100/74 30.1.74 NOT SEARCHED FOR. (SOISS, 1973). H2100/74 9.8.74 NOTHING FOUND BY CLOSE SOUNDING. (ISS, 1974). H2499/76 9.2.76 NOT SEARCHED FOR. (HMS ECHO, HI 17/75). H4845/75 26.10.77 SEARCHED FOR BUT NOT FOUND. (HMS EGERIA, HI 40A/76). H1938/78 23.3.81 LOCATED 29.10.80 & EXAM'D 19.11.80 IN 511630N, 012902E [OGB] USING HIFIX/6 [2 LOP] USING HIFIX/6 [2 LOP]. SWEPT CLEAR AT 15.1, FOUL AT 15.4MTRS. LEAST E/S DEPTH 15 IN GEN DEPTH 17-20MTRS. SCOUR DEPTH 20.5MTRS ON N SIDE. DCS3 HT 5MTRS, LENGTH 40MTRS, BEAM 17MTRS. LYING 130/310DEGS, APPARENTLY INTACT. (HMS ENTERPRISE, HI 61B/80). CHART AS SW 15.1MTRS. R/P. H1951/80 29.5.81 EXAM'D 8.4.81. BASICALLY NO CHANGE. AREA SHOALING AROUND WK, WHICH MAY SOON BE COVERED. RECOMMEND NCA. (HMS ENTERPRISE, HI 21A). H2907/83 25.3.85 NOT FOUND. NOW CONSIDERED TO BE BURIED. (HMS EGERIA, HI 186, DTD 19.9.84). AMEND TO F. R/P. H2331/85 11.11.86 DETECTED DURING AREA SEARCH BY MAGNETOMETER ONLY. NO INDICATION ON E/S OR DCS3. RECOMMEND RETAIN AS CHARTED. (NP 1016, HI 298). NCA. H6342/87 5.12.88 NOT DETECTED DURING AREA SEARCH. DEPTH IN AREA NOW 10MTRS. RECOMMEND RETAIN AS CHARTED. (NP 1016, HI 425). NCA. HH090/511/01 NOT FOUND DURING SEARCH USING SONAR AND MAGNETOMETER. GEN DEPTH NOW 10MTRS. RECOMMEND RETAIN AS CHARTED. (NP 1016, HI 511). NCA. . HH090/629/01 6.7.94 LOCATED IN VICINITY OF CHARTED POSN BY MAGNETOMETER ONLY. RETAIN AS CHARTED. (NP 1016, HI 629). HH242/400/02 26.2.97 NOT FOUND. (THL VECTIS, 1997). DELETE. BR STD. HH090/736/01 18.7.97 NOT LOCATED BY DCS3 AND MAGNETOMETER. (NP 1016, HI 736). AMENDED TO DEAD. HH090/892/01 3.10.00 LOCATED BY SLIGHT MAGNETIC ANOMALY ONLY. (NP 1016, HI 892). NCA. HH091/294/01 26.3.10 NOT LOCATED BY M/B. NFS. (MARIN MATTEKNIK, HI 1294). NCA. SEP 2015/000083470 10.12.15 NOT LOCATED BY M/B. (EGS, HI 1484). NFA.