Hms Blanche Wreck

Field Value
Obstruction Category foul ground
Hms blanche Wreck Location
Marine Coordinates (DMM) 		51 27.598 N,1 27.149 E
Latitude, Longitude
Decimal Degrees
  • Latitude: 51.459967
  • Longitude: 1.452483
Wreck Depth 13.71 m
Water Depth 14 m
Water Level Effect always under water/submerged
Vertical Datum Approximate Lowest Astronomical Tide
Name HMS BLANCHE
Type destroyer
Flag GB
Length 95.1 m
Width 10.1 m
Draught 2.7
Sonar Length 24.85
Sonar Width 15.16
Shadow Height 0.65
Orientation 310
Tonnage 1360
Conspic Visual not visually conspicuous
Conspic Radar not radar conspicuous
Date Sunk Nov 13, 1939
Bottom Texture Sand
Original Detection Year 1939
Last Detection Year 2019
Original Source national HO/authority notice to mariners
Surveying Details 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.
Last Amended Date Sep 26, 2007

Circumstances of loss

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).

General Comments

DEBRIS, ALMOST FULLY COVERED

WRECK MAP LOADING ... 51 27.598 N,1 27.149 E
Hms Blanche on Wreck Map Hms Blanche Wreck on Google Map

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FAQ

Where is the HMS BLANCHE wreck located?

The HMS BLANCHE wreck is located at coordinates 51 27.598 N,1 27.149 E.

How deep is the HMS BLANCHE and where exactly is it located?

The HMS BLANCHE lies at a depth of about 13.71 meters and is located at coordinates 51 27.598 N,1 27.149 E.

How deep is the seabed around the HMS BLANCHE?

The seabed around the HMS BLANCHE lies at approximately 14 meters deep.

When did the HMS BLANCHE sink?

The HMS BLANCHE sank on Nov 13, 1939.

When was the wreck of the HMS BLANCHE discovered?

The wreck of the HMS BLANCHE was discovered in 1939.

What country did the HMS BLANCHE belong to?

The HMS BLANCHE belonged to GB.

What was the tonnage of the HMS BLANCHE?

The HMS BLANCHE had a tonnage of 1360 tons.

What type of wreck is the HMS BLANCHE?

The HMS BLANCHE is classified as a destroyer.

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