Surveying Details
H3198/18 7.6.18 REPORTED TO HAVE BEEN 'BLOWN TO BITS'. (AUTHORITY NOT STATED). H7688/68 30.9.69 WK IN 522612N, 014730E USING HSA. LEAST E/S DEPTH 17.0 IN GEN DEPTH 19-20MTRS. SCOUR DEPTH 21MTRS. IRREGULAR SMALL PIECE OF WKGE RUN OVER WHILST SOUNDING. NOT SATISFACTORILY RELOCATED ON SUBSEQUENT SEARCH. NO SONAR CONTACT OBTAINED. NEEDS TO BE SWEPT. (HMS EGERIA, H525 59/69, 30.9.69). CHART AS WK 9FMS 2FT. - NM 1921/69. H7688/68 26.11.70 EXAM'D 16.6.70 IN 522611N, 014739E USING HSA. LEAST E/S DEPTH 15.7 IN GEN DEPTH 19-20MTRS. SCOUR DEPTH 21MTRS. SEABED FLAT. (HMS ECHO, HI 7B/70). AMEND TO WK 8FMS 3FT IN REVISED POSN. - NM 45/71. 31.7.74 NOW CHARTED AS WK 15.2MTRS [LAT]. NC 1543. H2098/74 26.1.76 LOCATED IN 562612N, 014737E USING HIFIX [2 LOP] & HSA. LEAST E/S DEPTH 14.0 IN GEN DEPTH 19MTRS. NO SCOUR. (HMS ECHO, HI 15/75). AMEND TO WK 14MTRS [7FMS 4FT] IN REVISED POSN. - NM 310/76. H4658/71 29.11.77 LOCATED IN 522612N, 014738E USING HIFIX/6 [2 LOP]. NOT CLOSELY EXAMINED. (HMS ENTERPRISE, R-OF-S 25.10.77). NCA. H2098/74 19.12.78 EXAM'D 6.9.78 IN 522612N, 014737E USING HIFIX/6 [2 LOP]. LEAST E/S DEPTH 14.4 IN GEN DEPTH 18-19MTRS. SCOUR DEPTH 20.8MTRS. LIES NW/SE. DCS3 HT 2.2MTRS, LENGTH ABT 125FT. GOOD ALL ROUND SONAR CONTACT FROM RANGES UP TO 100MTRS. (HMS ENTERPRISE, HI 64A/78). SHOWN AS WK 14.2MTRS ON FAIR SHEET!. NCA. H2098/74 10.10.79 LOCATED 21.6.79 IN 522611N, 014737.4E USING HIFIX/6 [2 LOP]. LEAST E/S DEPTH 14.6 IN GEN DEPTH 19-21MTRS. DCS3 HT 2MTRS [POOR SHADOW]. LYING 130/310DEGS. LENGTH 55MTRS. SCOUR, 2MTRS DEEP, RUNS 030DEGS FROM WK. (HMS EGERIA, HI 63A/79). APPEARS TOO LONG TO BE THE 'YUCCA'!. RETAIN AS CHARTED. H1960/79 30.10.80 EXAM'D 11.9.80 IN 522612N, 014737.2E USING HIFIX/6 [2 LOP]. SWEPT CLEAR AT 13.4, FOUL AT 13.7MTRS. LEAST E/S DEPTH 14.1 IN GEN DEPTH 20MTRS. SCOUR 2MTRS DEEP. DCS3 HT 5MTRS. LYING 135/315DEGS, LENGTH 50MTRS. GOOD SONAR CONTACT SHOWING DISTINCT OUTLINE OF COMPLETE HULL AND SOME FITTINGS. (HMS ECHO, HI 62A/80). AMEND TO SW 13.4MTRS. BR STD. H3932/88 4.7.89 FOUND DURING AREA SONAR SEARCH. NOT EXAM'D. (NP 1016, HI 454). NCA. HH090/546/01 8.7.92 EXAM'D 21.5.92 IN 522611.9N, 014737.9E [OGB] USING 3-RANGE TRISPONDER. SWEPT CLEAR AT 14.0, FOUL AT 14.3MTRS. LEAST E/S DEPTH 14.2 IN GEN DEPTH 20MTRS. SCOUR 1.9MTRS DEEP. DCS3 HT 3.7MTRS, LENGTH APPROX 60MTRS. LIES 140/320DEGS. UPRIGHT GIVING A GOOD SONAR RESPONSE. SMALL MAGNETIC DEFLECTION NOTED. (NP 1016, HI 546). AMEND TO SW 14MTRS IN 522612N, 013738E [OGB]. BR STD.HH090/664/01 5.7.95 LOCATED, NOT EXAMINED. (NP 1016, HI 664). NCA. SEP 2016/000091758 24.7.17 EXAM'D 17.12.16 IN 5226.221N, 0147.510E [WGD]. LEAST M/B DEPTH 13.99MTRS IN GEN DEPTH 20MTRS, LENGTH 60.8MTRS, WIDTH 11.5MTRS, HEIGHT 7.8MTRS, ORIENTATION 135/315 DEGS. SCOUR LENGTH 110MTRS, 2.3MTRS DEEP, TOWARDS 020 DEGS. (GARDLINE, HI 1494). AMEND DW 13.9MTRS IN REVISED POSN.