This is the information page about the shipwreck Hms blanche, the water chart below shows the wreck in its immediate vicinity. The position of this wreck is 51 27.598 N,1 27.149 E (51.761916666667, 1.5857333333333)
Open the Water Map of this area in a full window
The texts accompanying this shipwreck are in English ๐ฌ๐ง, as they are prepared by the UK Hydrographic Office (UKHO) based on data from UKHO and the hydrographic services of the Netherlands, Belgium and Germany, among others. They include the known details of the wreck and the comments of the cartographers who have checked the position and condition of the wreck over time.
Name: HMS BLANCHE
Length 95.1 meter, width: 10.1 meter, draught: 2.7, tonnage 1360 ton
Cause: built in 1930 by hawthorn leslie. three boilers, turbine engines of 34000 shp, twin shaft. four x 4.7 inch guns, 8 torpedo tubes. mined. 4 men lost. (sibi).
Year of registration: 1939
Water depth above wreck: 14 meter, Height above seabed: 310 cm
Known since: 1939, last detected: 20190818
Details measurements/cartography: H0152/39 21.11.39 PNM 2602/39. H0312/40 3.4.40 INS DW.
- NM 855/40. H02238/43 8.9.43 AMEND POSN.
- NM 1862/43. H0152/39 10.6.43 AMEND TO WK 3FMS 5FT.
- NM 1252/44. H0152/39 27.7.45 INS G CON BUOY GP FL 3 G 10SEC WITH NAME BLANCHE TO WESTWARD.
- NM 2209/45. H0152/39 1.10.46 AMEND POSN OF BUOY TO 512748N, 012656E. (CAPTAIN M/S SHEERNESS).
- NM 3300/46. H0152/39 14.2.46 AMEND TO WK 7FMS 1FT.
- NM 365/47. H0152/39 22.7.49 AMEND POSN OF LT BUOY TO 512742N, 012708E.
- NM 1519/49. H932/53 14.4.53 NOT LOCATED. GEN DEPTH 36FT. SEABED SAND AND SHELL. SMALL SPIKES 4FT FOUND AND POSSIBLE SHALLOW SCOUR OF 7FT. GOOD A/S CONTACT IN 512744N, 012735E. (HMS FRANKLIN 29.1.53). AMEND TO FOUL IN REVISED POSN. BR STD. H926/62 15.3.62 NOT LOCATED. (ISS 1961). H351/67 25.1.67 NOT LOCATED. (ISS 26.12.66). H4527/69 30.7.69 NO FIRM CONTACT WAS MADE WITH THIS WK BUT INDICATIONS OF WRECKAGE WERE FOUND ON SOUNDING LINES IN THE AREA. RETAIN AS FOUL. (HMS EGERIA, HI 151/69). H4527/69 22.9.71 NOT LOCATED, POSSIBLE WRECKS LOCATED IN 512736N, 012712E & 512731N, 012700E [OGB] USING FISHERMANS SONAR. (HMS ECHO, ROS DTD 12.8.71). NCA. H3179/74 4.6.74 NOT LOCATED, BOTTOM ECHOES ONLY, SANDWAVES IN AREA. (ISS 1974). DELETED. BR STD. H3179/74 5.12.77 LOCATED 18.10.77 IN 512735N, 012715E [OGB] USING HIFIX/6 [2 LOP]. LEAST DEPTH 14.2MTRS IN GEN DEPTH 14MTRS. SCOUR 15MTRS. VERY BROKEN UP. GIVES APPEARANCE OF SMALL SHINGLE PATCH. (HMS EGERIA, ROS DTD 10.77). CHART AS F. BR STD. H3179/74 26.6.80 EXAM'D 23.4.80 IN 512734N, 012715E [OGB] USING HIFIX/6 [2 LOP]. LEAST E/S DEPTH 13.1 IN GEN DEPTH 13.8MTRS. DCS3 HT 0.7MTRS. LIES IN AND COMPLETELY FILLS ITS OWN SCOUR, BUT SHOWS UP WELL ON SONARGRAPH. (HMS ENTERPRISE, HI 60C/80). BR STD. H2051/82 20.2.84 EXAM'D 27.10.83 IN 512734N, 012715E [OGB] USING HIFIX/6 [2 LOP]. LEAST E/S DEPTH 13.5 IN GEN DEPTH 14.5MTRS. NO SCOUR. DCS3 HT 0.2MTRS. SHOWS UP ON SONARGRAPH, BUT V FEW E/S CONTACTS. NO INDICATION OF WK UNCOVERING. RETAIN CHARTED DEPTH. (HMS ECHO, HI 124). NCA H3936/88 15.2.90 LOCATED, NOT EXAMINED. (NP 1016, HI458). HH090/657/01 3.10.95 EXAM'D 24.8.95 IN 512734.1N, 012715.0E [OGB] USING DGPS. LEAST E/S DEPTH 13.9 IN GEN DEPTH 14MTRS. NO SCOUR. NO DCS3 HT. SMALL AREA OF WRECKAGE, LENGTH 20MTRS, WIDTH 15MTRS. ORIENTATED E/W. NO MAGNETIC ANOMALY. ALMOST FLAT. (NP 1016, HI 657). BR STD. HH090/939/01 12.9.01 EXAM'D 21.6.01. LOCATED BY MAGNETOMETER ONLY. STRONG ANOMALY. GEN DEPTH 14.1MTRS. (NP 1016, HI 939). AMEND TO FOUL. BR STD. 20.4.06 [EUT] POSN: 5127.600N, 0127.146E. NE 1607. HH091/255/01 - SEP 2007000071382 1.10.07 EXAM'D 18.5.07 IN 5127.599N, 0127.144E [WGD] USING DGPS. LEAST M/B DEPTH 13.54 IN GEN DEPTH 14.5MTRS. LENGTH 19MTRS, WIDTH 7MTRS, HT 1.0MTR. LIES 100/280 DEGS. SMALL, BROKEN WK DEBRIS. (NETSURVEY, HI 1225). AMEND FOUL 13.5MTRS IN REVISED POSN. BR STD. 17.3.14 EXAM'D 17.3.14 IN 5127.599N, 01127.147E [WGD]. LEAST M/B DEPTH 13.63 IN GEN DEPTH 14.2MTRS. NO SCOUR. LENGTH 14.2MTRS, WIDTH 5.7MTRS, HT 0.5MTRS. MODERATE MAGNETIC ANOMALY. (EGS, HI 1433). DEBRIS, ALMOST FULLY COVERED. NCA. SEP 2019/000262060 5.11.19 EXAM'D 18.8.19; IN 5127.598N, 0127.149E [WGD]. LEAST M/B DEPTH 13.71MTRS IN GEN DEPTH 14MTRS, LENGTH 24.85MTRS, WIDTH 15.16MTRS, HEIGHT 0.65MTRS, ORIENTATION 310/130 DEGS. DEBRIS FIELD LENGTH 26.53MTRS TOWARDS 294DEGS. WRECK APPEARS PRIMARILY AS A DEBRIS FIELD. (A-2-SEA, HI 1645). AMEND FOUL 13.7MTRS IN REVISED POSN.
Comment researcher: UK Hydrographic Office
Commentaar onderzoeker: DEBRIS, ALMOST FULLY COVERED
Position: 51 27.598 N,1 27.149 E