Where is the HMTB NO.11 (POSSIBLY) wreck located?

The HMTB NO.11 (POSSIBLY) wreck is located at coordinates 51 47.646 N,1 34.41 E.

How deep is the HMTB NO.11 (POSSIBLY) and where exactly is it located?

The HMTB NO.11 (POSSIBLY) lies at a depth of about 14.8 meters and is located at coordinates 51 47.646 N,1 34.41 E.

How deep is the seabed around the HMTB NO.11 (POSSIBLY)?

The seabed around the HMTB NO.11 (POSSIBLY) lies at approximately 16 meters deep.

When did the HMTB NO.11 (POSSIBLY) sink?

The HMTB NO.11 (POSSIBLY) sank on Mar 7, 1916.

When was the wreck of the HMTB NO.11 (POSSIBLY) discovered?

The wreck of the HMTB NO.11 (POSSIBLY) was discovered in 1926.

What country did the HMTB NO.11 (POSSIBLY) belong to?

The HMTB NO.11 (POSSIBLY) belonged to GB.

What was the tonnage of the HMTB NO.11 (POSSIBLY)?

The HMTB NO.11 (POSSIBLY) had a tonnage of 263 tons.

What type of wreck is the HMTB NO.11 (POSSIBLY)?

The HMTB NO.11 (POSSIBLY) is classified as a torpedo boat.

Hmtb No.11 (Possibly) Wreck Coordinates

Field	Value
Obstruction Category	foul ground
Hmtb no.11 (possibly) Wreck Location Marine Coordinates (DMM)	51 47.646 N,1 34.41 E
Latitude, Longitude Decimal Degrees	Latitude: 51.794100 Longitude: 1.573500
Wreck Depth	14.8 m
Water Depth	16 m
Water Level Effect	always under water/submerged
Vertical Datum	Approximate Lowest Astronomical Tide
Name	HMTB NO.11 (POSSIBLY)
Type	torpedo boat
Flag	GB
Length	52.4 m
Width	5.5 m
Sonar Length	40
Sonar Width	8
Shadow Height	1
Orientation	150
Tonnage	263
Tonnage Type	displacement
Conspic Visual	not visually conspicuous
Conspic Radar	not radar conspicuous
Date Sunk	Mar 7, 1916
Bottom Texture	Sand
Original Detection Year	1926
Last Detection Year	2012
Original Source	published World War 1 losses
Surveying Details	H3085/26 SUNK IN 514800N, 013415E APPROX. (AUTHORITY NOT STATED) H6345/26 4.11.26 INS NDW PA (1916) IN 514800N, 013415E. (AUTHORITY NOT STATED) BA 2052. H1334/60 6.5.60 NOT LOCATED, BUT WK FOUND IN 514848N, 013415E CONSIDERED T BE SAME WK. LEAST DEPTH 41FT IN GEN DEPTH 51FT. (ECES, 1959) - NM 1087/60. H2847/67 19.10.67 INTENSE SEARCH MADE WITHIN AN AREA OF 1000YDS OF CHARTED POSN WITHOUT LOCATING WK. GEN DEPTH 42-49FT. (HMS EGERIA, HI 16/67 R.O.S DTD 22.5.67) H5724/69 29.9.70 NOT FOUND. (HMS ENTERPRISE HI 2/70 R.O.S DTD 26.5.70) H2101/74 16.1.74 NOT SEARCHED FOR. (SOISS 1973) H3180/74 17.6.75 NOT FOUND AFTER CLOSE SOUNDING. (HMS ENTERPRISE HI 10B/75 REPORT DTD 24.2.75) H4823/75 26.7.76 NOT FOUND BY CLOSE SOUNDING. (HMS ENTERPRISE HI 37B/76 REPORT DTD APR '76) AMENDED TO DEAD. H2341/84 6.2.86 EXAM'D 12.9.85 IN 514736N, 013433E [OGB] USING TRISPONDER [3 LOP]. LEAST E/S DEPTH 15.9 IN GEN DEPTH 16MTRS. LENGTH APPROX 50MTRS, LYING NW/SE. BROKEN UP BUT NOT WIDELY SCATTERED. MAINLY IN A SMALL HOLLOW AND BARELY PROTRUDES ABOVE GEN SEABED LEVEL. (NP 1016, HI 251B). INS AS WK 15.9MTRS. BR STD. H2342/85 14.8.86 EXAM'D 30.5.86 IN 514737N, 013431E [OGB] USING TRISPONDER. LEAST E/S DEPTH 15.3 IN GEN DEPTHS 15 TO 15.5MTRS. HAS UNEVEN SHALLOW SCOUR AND PRODUCES CONSIDERABLE MAGNETIC ANOMALY. (NP 1016, HI 309B). AMEND TO WK 15.3MTRS. BR STD. H4026/86 22.12.87 EXAM'D 25.9.87 IN 514736N, 013432E [OGB] USING TRISPONDER [4 LOP]. LEAST E/S DEPTH 15.1 IN GEN DEPTH 15.5MTRS. SCOUR DEPTH 16.4MTRS. INTACT, 55MTRS LONG, 10MTRS WIDE. LYING 145/325 DEG AND PARTLY INUNDATED BY SAND. MAG ANOMALY INDICATES IRON CONTENT OF 100 - 200 TONNES. (NP 1016, HI 375). AMEND TO WK 15.1MTRS. BR STD. H6337/87 15.8.88 EXAM'D 15.6.88 IN 514736N, 013431E [OGB] USING TRISPONDER [4 LOP]. LEAST E/S DEPTH 15.6 IN GEN DEPTH 15.5 TO 16MTRS. SCOUR DEPTH 16.5MTRS. DCS3 HT 1.1MTR. MAINLY BURIED - ONLY 3 E/S 'ON-TOPS' OBTAINED INDICATING NE/SW ORIENTATION. RETAIN AS CHARTED. (NP 1016, HI 420). HH090/495/01 27.9.90 LOCATED 13.7.90 IN LISTED POSN USING DCS3. NOT LOCATED WITH E/S. V BROKEN-UP, MOSTLY BURIED IN SAND AND GIVES NO SONAR SHADOW. LENGTH 45MTRS, BEAM 10MTRS. ORIENTATED 150/330 DEG. SIZEABLE MAG ANOMALY OBSERVED. RETAIN AS CHARTED. (NP 1016, HI 495). HH090/516/01 4.12.91 EXAM'D 20.9.91 IN 514734.9N, 013432.2E [OGB] USING TRISPONDER [4 LOP]. BROKEN WKGE WHICH APPEARS TO LIE AT SEABED LEVEL WHICH IS 15.7MTRS. (NP 1016, HI 516). NCA YET. HH090/574/01 15.10.93 LOCATED, NOT EXAMINED. STRONG MAGNETIC DEFLECTION. NO SONAR HT. (NP 1016, HI 547). HH090/626/01 15.6.94 LOCATED, NOT EXAMINED. (NP 1016, HI 627). HH090/655/01 19.7.95 NOT LOCATED. RETAIN AS CHARTED. (NP 1016, HI 655). HH090/690/01 23.7.96 LOCATED, NOT EXAMINED. (NP 1016, HI 690). HH090/769/01 14.7.98 EXAM'D 19.4.98 IN 514735.8N, 013434.1E [OGD] USING DGPS. LEAST E/S DEPTH 14.5 IN GEN DEPTH 16MTRS. NO SCOUR. NO DCS3 HT. COVERS 15MTRS BY 15MTRS. LIES APPROX 010/190 DEGS. VERY LARGE MAGNETIC ANOMALY. SMALL AREA OF BROKEN AND ALMOST ENTIRELY BURIED DEBRIS. (NP 1016, HI 769). AMEND TO WK 14.5MTRS. BR STD. HH090/852/01 19.7.99 LOCATED, NOT EXAMINED. (NP 1016, HI 852). NCA. HH090/886/01 22.6.00 LOCATED, NOT EXAMINED. (NP 1016, HI 886). NCA. HH090/936/01 3.8.01 LOCATED BY MAGNETOMETER ONLY. GEN DEPTH 15.5MTRS. (NP 1016, HI 936). NCA. HH090/993/01 LOCATED, NOT EXAMINED. LENGTH 40MTRS, WIDTH 10MTRS. NO DCS3 HT. LIES 090/270 DEGS. (NP 1016, HI 993). NCA. HH091/078/01 20.1.05 EXAM'D 5.7.04. NO WRECKAGE VISIBLE. STRONG MAGNETIC ANOMALY. APPARENTLY WELL BROKEN AND DISPERSED WITHIN A 50MTR AREA. (NP 1016, HI 1078). AMEND FOUL. BR STD. HH091/116/01 16.12.05 EXAM'D 28.7.05 IN 5147.632N, 0134.428E [WGD] USING DGPS. LEAST M/B DEPTH 15.01 IN GEN DEPTH 15.5MTRS. NO SCOUR. DEBRIS FIELD COVERING 80MTRS BY 70MTRS, ALIGNED 090/270 DEGS. POOR MAGNETIC ANOMALY. (NP 1016, HI 1116). RETAIN FOUL IN REVISED POSN. BR STD. HH091/166/01 26.3.07 LOCATED 20.8.06 IN 5147.6275N, 0134.4289E [WGD] USING DGPS. LEAST M/B DEPTH 15.18 IN GEN DEPTH 16MTRS. NO SCOUR. LENGTH 40MTRS, WIDTH 8MTRS, HT 1MTR. LIES 152/332 DEGS. TWO FEATURES ARE PROUD OF THE SEABED. NFS. (NETSURVEY LTD, HI 1166). AMEND FOUL 15.1MTRS IN REVISED POSN. BR STD. HH091/223/01 10.9.07 NOT LOCATED BY M/B. (NETSURVEY LTD, HI 1223). NCA. 28.2.13 LOCATED 19.10.12 IN 5147.646N, 0134.410E [WGD. LEAST M/B DEPTH 14.82 IN GEN DEPTH 16.5MTRS. NO SCOUR. LENGTH 40MTRS, WIDTH 8MTRS, HT 1MTR. NO MAGNETIC ANOMALY. AN AREA OF DEBRIS WITH TWO HIGH POINTS. LOCATED DURING POST-PROCESSING. (NETSURVEY, HI 1398). AMEND FOUL 14.8MTRS IN REVISED POSN.
Last Amended Date	Feb 28, 2013

Obstruction Category

foul ground

Hmtb no.11 (possibly) Wreck Location
Marine Coordinates (DMM)

51 47.646 N,1 34.41 E

Latitude, Longitude
Decimal Degrees

Latitude: 51.794100
Longitude: 1.573500

Wreck Depth

14.8 m

Water Depth

16 m

Water Level Effect

always under water/submerged

Vertical Datum

Approximate Lowest Astronomical Tide

Name

HMTB NO.11 (POSSIBLY)

Type

torpedo boat

Flag

GB

Length

52.4 m

Width

5.5 m

Sonar Length

40

Sonar Width

8

Shadow Height

1

Orientation

150

Tonnage

263

Tonnage Type

displacement

Conspic Visual

not visually conspicuous

Conspic Radar

not radar conspicuous

Date Sunk

Mar 7, 1916

Bottom Texture

Sand

Original Detection Year

1926

Last Detection Year

2012

Original Source

published World War 1 losses

Surveying Details

H3085/26 SUNK IN 514800N, 013415E APPROX. (AUTHORITY NOT STATED) H6345/26 4.11.26 INS NDW PA (1916) IN 514800N, 013415E. (AUTHORITY NOT STATED) BA 2052. H1334/60 6.5.60 NOT LOCATED, BUT WK FOUND IN 514848N, 013415E CONSIDERED T BE SAME WK. LEAST DEPTH 41FT IN GEN DEPTH 51FT. (ECES, 1959) - NM 1087/60. H2847/67 19.10.67 INTENSE SEARCH MADE WITHIN AN AREA OF 1000YDS OF CHARTED POSN WITHOUT LOCATING WK. GEN DEPTH 42-49FT. (HMS EGERIA, HI 16/67 R.O.S DTD 22.5.67) H5724/69 29.9.70 NOT FOUND. (HMS ENTERPRISE HI 2/70 R.O.S DTD 26.5.70) H2101/74 16.1.74 NOT SEARCHED FOR. (SOISS 1973) H3180/74 17.6.75 NOT FOUND AFTER CLOSE SOUNDING. (HMS ENTERPRISE HI 10B/75 REPORT DTD 24.2.75) H4823/75 26.7.76 NOT FOUND BY CLOSE SOUNDING. (HMS ENTERPRISE HI 37B/76 REPORT DTD APR '76) AMENDED TO DEAD. H2341/84 6.2.86 EXAM'D 12.9.85 IN 514736N, 013433E [OGB] USING TRISPONDER [3 LOP]. LEAST E/S DEPTH 15.9 IN GEN DEPTH 16MTRS. LENGTH APPROX 50MTRS, LYING NW/SE. BROKEN UP BUT NOT WIDELY SCATTERED. MAINLY IN A SMALL HOLLOW AND BARELY PROTRUDES ABOVE GEN SEABED LEVEL. (NP 1016, HI 251B). INS AS WK 15.9MTRS. BR STD. H2342/85 14.8.86 EXAM'D 30.5.86 IN 514737N, 013431E [OGB] USING TRISPONDER. LEAST E/S DEPTH 15.3 IN GEN DEPTHS 15 TO 15.5MTRS. HAS UNEVEN SHALLOW SCOUR AND PRODUCES CONSIDERABLE MAGNETIC ANOMALY. (NP 1016, HI 309B). AMEND TO WK 15.3MTRS. BR STD. H4026/86 22.12.87 EXAM'D 25.9.87 IN 514736N, 013432E [OGB] USING TRISPONDER [4 LOP]. LEAST E/S DEPTH 15.1 IN GEN DEPTH 15.5MTRS. SCOUR DEPTH 16.4MTRS. INTACT, 55MTRS LONG, 10MTRS WIDE. LYING 145/325 DEG AND PARTLY INUNDATED BY SAND. MAG ANOMALY INDICATES IRON CONTENT OF 100 - 200 TONNES. (NP 1016, HI 375). AMEND TO WK 15.1MTRS. BR STD. H6337/87 15.8.88 EXAM'D 15.6.88 IN 514736N, 013431E [OGB] USING TRISPONDER [4 LOP]. LEAST E/S DEPTH 15.6 IN GEN DEPTH 15.5 TO 16MTRS. SCOUR DEPTH 16.5MTRS. DCS3 HT 1.1MTR. MAINLY BURIED - ONLY 3 E/S 'ON-TOPS' OBTAINED INDICATING NE/SW ORIENTATION. RETAIN AS CHARTED. (NP 1016, HI 420). HH090/495/01 27.9.90 LOCATED 13.7.90 IN LISTED POSN USING DCS3. NOT LOCATED WITH E/S. V BROKEN-UP, MOSTLY BURIED IN SAND AND GIVES NO SONAR SHADOW. LENGTH 45MTRS, BEAM 10MTRS. ORIENTATED 150/330 DEG. SIZEABLE MAG ANOMALY OBSERVED. RETAIN AS CHARTED. (NP 1016, HI 495). HH090/516/01 4.12.91 EXAM'D 20.9.91 IN 514734.9N, 013432.2E [OGB] USING TRISPONDER [4 LOP]. BROKEN WKGE WHICH APPEARS TO LIE AT SEABED LEVEL WHICH IS 15.7MTRS. (NP 1016, HI 516). NCA YET. HH090/574/01 15.10.93 LOCATED, NOT EXAMINED. STRONG MAGNETIC DEFLECTION. NO SONAR HT. (NP 1016, HI 547). HH090/626/01 15.6.94 LOCATED, NOT EXAMINED. (NP 1016, HI 627). HH090/655/01 19.7.95 NOT LOCATED. RETAIN AS CHARTED. (NP 1016, HI 655). HH090/690/01 23.7.96 LOCATED, NOT EXAMINED. (NP 1016, HI 690). HH090/769/01 14.7.98 EXAM'D 19.4.98 IN 514735.8N, 013434.1E [OGD] USING DGPS. LEAST E/S DEPTH 14.5 IN GEN DEPTH 16MTRS. NO SCOUR. NO DCS3 HT. COVERS 15MTRS BY 15MTRS. LIES APPROX 010/190 DEGS. VERY LARGE MAGNETIC ANOMALY. SMALL AREA OF BROKEN AND ALMOST ENTIRELY BURIED DEBRIS. (NP 1016, HI 769). AMEND TO WK 14.5MTRS. BR STD. HH090/852/01 19.7.99 LOCATED, NOT EXAMINED. (NP 1016, HI 852). NCA. HH090/886/01 22.6.00 LOCATED, NOT EXAMINED. (NP 1016, HI 886). NCA. HH090/936/01 3.8.01 LOCATED BY MAGNETOMETER ONLY. GEN DEPTH 15.5MTRS. (NP 1016, HI 936). NCA. HH090/993/01 LOCATED, NOT EXAMINED. LENGTH 40MTRS, WIDTH 10MTRS. NO DCS3 HT. LIES 090/270 DEGS. (NP 1016, HI 993). NCA. HH091/078/01 20.1.05 EXAM'D 5.7.04. NO WRECKAGE VISIBLE. STRONG MAGNETIC ANOMALY. APPARENTLY WELL BROKEN AND DISPERSED WITHIN A 50MTR AREA. (NP 1016, HI 1078). AMEND FOUL. BR STD. HH091/116/01 16.12.05 EXAM'D 28.7.05 IN 5147.632N, 0134.428E [WGD] USING DGPS. LEAST M/B DEPTH 15.01 IN GEN DEPTH 15.5MTRS. NO SCOUR. DEBRIS FIELD COVERING 80MTRS BY 70MTRS, ALIGNED 090/270 DEGS. POOR MAGNETIC ANOMALY. (NP 1016, HI 1116). RETAIN FOUL IN REVISED POSN. BR STD. HH091/166/01 26.3.07 LOCATED 20.8.06 IN 5147.6275N, 0134.4289E [WGD] USING DGPS. LEAST M/B DEPTH 15.18 IN GEN DEPTH 16MTRS. NO SCOUR. LENGTH 40MTRS, WIDTH 8MTRS, HT 1MTR. LIES 152/332 DEGS. TWO FEATURES ARE PROUD OF THE SEABED. NFS. (NETSURVEY LTD, HI 1166). AMEND FOUL 15.1MTRS IN REVISED POSN. BR STD. HH091/223/01 10.9.07 NOT LOCATED BY M/B. (NETSURVEY LTD, HI 1223). NCA. 28.2.13 LOCATED 19.10.12 IN 5147.646N, 0134.410E [WGD. LEAST M/B DEPTH 14.82 IN GEN DEPTH 16.5MTRS. NO SCOUR. LENGTH 40MTRS, WIDTH 8MTRS, HT 1MTR. NO MAGNETIC ANOMALY. AN AREA OF DEBRIS WITH TWO HIGH POINTS. LOCATED DURING POST-PROCESSING. (NETSURVEY, HI 1398). AMEND FOUL 14.8MTRS IN REVISED POSN.

Last Amended Date

Feb 28, 2013

Hmtb No.11 (Possibly) Wreck

Circumstances of loss

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Hmtb No.11 (Possibly) Wreck

Circumstances of loss

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