Mahseer Wreck

Surveying Details

H03636/41 28.11.41 INS DW AND G CAN LTBUOY, GPFL(2) G 10. - NM 2834/41. H03636/41 15.8.47 INS LEGEND (MAST). (HMS FRANKLYN). - NM 2175/47. H03636/41 1.8.50 DISPERSED TO 45FT. (C IN C NORE, 1.8.50). H03636/41 18.10.50 LOCATED 18.10.50 IN 514401N, 012349E USING HSA. SWEPT CLEAR BY OROPESA AT 30FT, BY WIRE DRIFT SWEEP AT 45FT. LEAST E/S DEPTH 55 IN GEN DEPTH 66FT. (HMS SHARPSHOOTER, 4.11.50). AMEND SW 7FMS 3FT. - NM 1496/51. H03636/41 24.4.59 EXAM'D IN 514402N, 012345E USING HSA. SWEPT CLEAR AT 45, FOUL AT 46FT. LEAST E/S DEPTH 51 IN GEN DEPTH 73FT. SCOUR 4FT DEEP IN SEABED OF FINE SAND. (HMSML 322, HI 5A/58 [IN H1325/59], 26.9.58). H3281/63 10.11.64 LEAST E/S 50 IN GEN DEPTH 70FT. SCOUR 72FT. NOT FULLY EXAM'D FOR LEAST DEPTH BUT VERY GOOD E/S TRACE & A/S CONTACT OBTAINED. (HMS ECHO). AMEND WKS 8FMS 2FT. - NM 1496/71. 12.6.69 AMEND WK 8FMS 1FT [LAT]. NE 1975. H4399/71 21.9.71 EXAM'D IN 514403N, 012340E [OGB] USING HIFIX/6 [2 LOP]. SWEPT CLEAR 13.9MTRS, FOUL 14.3MTRS. LEAST E/S DEPTH 15 IN GEN DEPTH 20 TO 21MTRS. SCOUR DEPTH 21.4MTRS. ABOUT 400FT LONG AND LIES NE/SW ON SANDY BOTTOM. GOOD ALL ROUND SONAR CONTACT. (HMS EGERIA). 23.1.73 AMEND SW 13.9MTRS. NC 1975. H4399/71 3.5.79 EXAM'D 10.7.78 IN 514403N, 012347E [OGB] USING HIFIX/6 [2 LOP]. LEAST E/S DEPTH 15.9 IN GEN DEPTH 20-22MTRS. NO SCOUR. DCS3 GAVE NO DISTINCT SHADOW. APPARENTLY BROKEN UP AND COVERING A WIDE AREA. SEVERAL PARTS ARE PROTRUDING SIGNIFICANTLY FROM SEABED. RETAIN SWEPT DEPTH. (SOISS, HI 51B/77). AMEND POSN ONLY. BR STD. H2007/81 17.2.81 EXAM'D 25.11.80 IN 514404N, 012347E [OGB] USING HIFIX/6 [2 LOP]. SWEPT CLEAR AT 13.3, FOUL AT 13.6MTRS. LEAST E/S DEPTH 14.5 IN GEN DEPTH 21MTRS. NO DISTINCT DCS3 SHADOW. NO SCOUR. V BROKEN UP WITH NO DISTINCT SHAPE. COVERS AN AREA 210 X 100MTRS. (HMS ECHO, HI 68C/80). - NM 594/81. H2044/81 14.1.83 EXAM'D 28.10.82 IN 514403N, 012347E [OGB] USING HIFIX/6 [2 LOP]. LEAST E/S DEPTH 16.6 IN GEN DEPTH 20-22MTRS. NO SCOUR. DCS3 HT 7.0MTRS. LARGE AREA OF WRECKAGE, GIVING MANY CONTACTS AND SHADOWS, EXTENDING OVER AREA 220 X 100MTRS, WITH MAIN AXIS 030/210 DEGS. INDICATIONS OF SAND COVERING WRECKAGE. RETAIN CHARTED DEPTH. (SOISS, HI 80). NCA. HH244/351/01 11.6.90 SUBMAR SALVAGE CARRYING OUT SALVAGE OPS USING MV REDCLIFF SAND. (RNW, 21.5.90). HH090/628/01 1.7.94 EXAM'D 24.5.94 IN 514404N, 012347E [OGB] USING TRISPONDER [3 LOP]. SWEPT CLEAR 14.3, FOUL 14.5MTRS. LEAST E/S DEPTH 14.3 IN GEN DEPTH 22MTRS. NO SCOUR. NO DCS3 HT. WELL DISPERSED, COVERS 140 BY 73MTRS. STRONG MAGNETIC DEFLECTION. (NP 1016, HI 628). BR STD. 5.3.13 EXAM'D 27.11.12 IN 5144.102N, 0123.696E [WGD]. LEAST M/B DEPTH 14.72 IN GEN DEPTH 21MTRS. NO SCOUR. LENGTH 160MTRS, WIDTH 60MTRS, HT 6.4MTRS. LIES 020/200 DEGS. STRONG MAGNETIC ANOMALY. BROKEN UP AND PARTIALLY BURIED. (NETSURVEY, HI 1398). AMEND WK 14.7MTRS IN REVISED POSN.