Surveying Details
H1791/46 26.5.46 H1791/46 26.5.46 POSN 016.5 DEG, 2720FT FROM GT NORE N TWR. LEAST E/S DEPTH 25FT IN GEN DEPTH 44FT. (TH, 24.5.46). INS AS WK 5FMS 1FT. - NM 1203/46. H1791/46 17.6.46 H1791/46 17.6.46 AMEND TO WK 4FMS 1FT. (HMS FRANKLIN). - NM 1851/46. H1791/46 17.6.46 H1791/46 17.6.46 INS G CON, GP FL(3) G 10S, CLOSE S OF WK. - NM 2037/46. H1791/46 8.12.46 H1791/46 8.12.46 DRIFT SWEEP AFTER DISPERSAL. CLEAR AT 46, FOUL AT 47FT. IN GEN DEPTH 52FT. POSN 512935N, 005144E. (CAPTAIN M/S, SHEERNESS, 18.10.46). H5652/45 4.12.46 H5652/45 & H7801/46 4.12.46 AMEND TO WK 7FMS 4FT. DELETE BUOY. (HMS SCOTT). BR STD. H1791/46 8.12.46 H1791/46 8.12.46 AMEND TO WK 7FMS 4FT. DELETE BUOY OTHER SCALES. (CAPT M/S SHEERNESS). - NM 3989/46. H4710/63 5.5.64 H4710/63 5.5.64 EXAM'D. LEAST E/S DEPTH 51 IN GEN DEPTH 48FT. SCOUR 54FT. POOR SONAR CONTACT. LARGE SCOUR. (HMS ECHO, 1.12.63). 27.5.68 27.5.68 SHOWN AS WK 7FMS 3FT [LAT] ON NE 1185. 26.9.73 26.9.73 AMEND WK 13.7MTRS. NC 1185. H3531/74 5.12.79 H3531/74 5.12.79 EXAM'D 15.10.79 IN 512935N, 005144E [OGB] USING HIFIX/6 [2 LOP]. SWEPT CLEAR AT 13.7, FOUL AT 14MTRS. LEAST E/S DEPTH 13.9 IN GEN DEPTH 13 TO 13.8MTRS. SCOUR DEPTH 15MTRS. LIES AT ABOUT SAME LEVEL AS SURROUNDING SEABED IN A SMALL HOLE. DIFFICULT TO WIRE SWEEP. (PLA WK RPT - MAPLIN HE 16/79). BR STD. HH244/351/01 7.1.91 HH244/351/01 7.1.91 EXAM'D 9.5.90. NOTHING FOUND - NEITHER WRECKAGE NOR SCOUR. PRESUMABLY HAS COVERED. CHART AS FOUL. (PLA WK NO.343/15). AMEND FOUL. BR STD. HH091/092/01 19.8.04 HH091/092/01 19.8.04 NO OBJECT LOCATED PROUD OF THE SEABED. SCOUR 0.2MTR DEEP LOCATED IN 5129.622N, 0051.624E [WGD] USING DGPS. GEN DEPTH 13.7MTRS. NFS. (HMSML GLEANER, HI 1092). AMEND POSN. BR STD. 2021/000232605 07.09.2021 EXAM'D BY BDC FROM PLA SURVEY 08.07.2021 IN 51.493673 N 0.860239 E. LEAST M/B DEPTH 14.37MTRS IN GEN DEPTH 15.0MTRS. HEIGHT 0.7MTRS, LENGTH 236.0MTRS, WIDTH 15.0MTRS, �NFS. NFA. 2022/000193284 18.08.2022 EXAM'D BY BDC FROM PLA SURVEY 02.02.2022 IN 51.4936953 N, 0.8602164 E [WGD]. LEAST M/B DEPTH 13.87MTRS IN GEN DEPTH 14.8MTRS. HEIGHT 0.9MTRS, LENGTH 30.0MTRS, WIDTH 2.0MTRS. NFS. (H525.2 FEATURE REPORT). AMEND FOUL 13.8MTRS IN REVISED POSN. 2022/000264071 04.11.2022 SHOALEST DEPTH REPORTED BY PLA TO BE 13.0MTRS. (EMAIL FROM ROB HOWARD, PLA, DTD 18.10.22). AMEND FOUL 13.0MTRS. 2023/000001436 06.07.2023 EXAM'D BY BDC FROM PLA SURVEY DTD 10.05.22 - 12.2.23 IN 5129.621N, 0051.612E [WGD]. LEAST M/B DEPTH 13.86MTRS. (H525.2 LITE REPORT). RETAIN FOUL 13MTRS.
General Comments
UK NM 1191/23, NO PROJECTION ABOVE SEABED, ONLY SCOUR