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Length-data coverage

Selected category: Missing / unusable

2,022 matching records / counted units

These are the same counted units and category assignments used in the summary snapshot, calculated 17 Sep 2026, 13:27 BST. Names are not automatically reconciled to unique vessels or people. Pagination shows 30 at a time; it does not limit the full result set.

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1,741 / 2,022 · vessel

SUFFOLK COAST

Indexes
Vessel register only
Type
Coaster
Usable length (ft)
Not recorded / not usable for this calculation
Usable build year
Not recorded / not usable for this calculation

Counted source identifiers: vessel register 1949

Vessel research record →
1,742 / 2,022 · vessel

SUFFOLK’S ROSE LT771

Indexes
Vessel register only
Type
Lowestoft Trawler
Usable length (ft)
Not recorded / not usable for this calculation
Usable build year
Not recorded / not usable for this calculation

Counted source identifiers: vessel register 1875

Vessel research record →
1,743 / 2,022 · vessel

SULTAN

Indexes
Vessel register only
Type
Tug
Usable length (ft)
Not recorded / not usable for this calculation
Usable build year
Not recorded / not usable for this calculation

Counted source identifiers: vessel register 1983

Vessel research record →
1,744 / 2,022 · vessel

SUMMER MAID

Indexes
Vessel register only
Type
Unrecorded / conflicting
Usable length (ft)
Not recorded / not usable for this calculation
Usable build year
Not recorded / not usable for this calculation

Counted source identifiers: vessel register 1891, 1977

Vessel research record →
1,745 / 2,022 · vessel

SUN

Indexes
In both indexes
Type
MN Harbour Tug
Usable length (ft)
Not recorded / not usable for this calculation
Usable build year
Not recorded / not usable for this calculation

Counted source identifiers: vessel register 1954 · Orde 332, 1014, 1047, 1691

Vessel research record →
1,746 / 2,022 · vessel

SUN III

Indexes
Vessel register only
Type
HM Harbour Tug
Usable length (ft)
Not recorded / not usable for this calculation
Usable build year
Not recorded / not usable for this calculation

Counted source identifiers: vessel register 1896

Vessel research record →
1,747 / 2,022 · vessel

SUN IV

Indexes
In both indexes
Type
MN Harbour Tug
Usable length (ft)
Not recorded / not usable for this calculation
Usable build year
Not recorded / not usable for this calculation

Counted source identifiers: vessel register 1901 · Orde 18, 637, 656, 1371, 1631

Vessel research record →
1,748 / 2,022 · vessel

SUN V

Indexes
In both indexes
Type
MN Harbour Tug
Usable length (ft)
Not recorded / not usable for this calculation
Usable build year
Not recorded / not usable for this calculation

Counted source identifiers: vessel register 1959 · Orde 1015

Vessel research record →
1,749 / 2,022 · vessel

SUN VII

Indexes
In both indexes
Type
HM Harbour Tug
Usable length (ft)
Not recorded / not usable for this calculation
Usable build year
Not recorded / not usable for this calculation

Counted source identifiers: vessel register 1880 · Orde 240

Vessel research record →
1,750 / 2,022 · vessel

SUN VIII

Indexes
In both indexes
Type
HM Harbour Tug
Usable length (ft)
Not recorded / not usable for this calculation
Usable build year
Not recorded / not usable for this calculation

Counted source identifiers: vessel register 1964 · Orde 1588

Vessel research record →
1,751 / 2,022 · vessel

SUN X

Indexes
In both indexes
Type
MN Harbour Tug
Usable length (ft)
Not recorded / not usable for this calculation
Usable build year
Not recorded / not usable for this calculation

Counted source identifiers: vessel register 1969 · Orde 667, 691, 1431

Vessel research record →
1,752 / 2,022 · vessel

SUN XI

Indexes
In both indexes
Type
MN Harbour Tug
Usable length (ft)
Not recorded / not usable for this calculation
Usable build year
Not recorded / not usable for this calculation

Counted source identifiers: vessel register 1885 · Orde 682, 1092

Vessel research record →
1,753 / 2,022 · vessel

SUN XII

Indexes
In both indexes
Type
MN Harbour Tug
Usable length (ft)
Not recorded / not usable for this calculation
Usable build year
Not recorded / not usable for this calculation

Counted source identifiers: vessel register 1988 · Orde 1010

Vessel research record →
1,754 / 2,022 · vessel

SUN XV

Indexes
In both indexes
Type
D
Usable length (ft)
Not recorded / not usable for this calculation
Usable build year
Not recorded / not usable for this calculation

Counted source identifiers: vessel register 1906 · Orde 139, 547

Vessel research record →
1,755 / 2,022 · vessel

SUNBEAM

Indexes
Vessel register only
Type
Barge
Usable length (ft)
Not recorded / not usable for this calculation
Usable build year
Not recorded / not usable for this calculation

Counted source identifiers: vessel register 1993

Vessel research record →
1,756 / 2,022 · vessel

SUNNY-ISLE H5

Indexes
Vessel register only
Type
Belgian Trawler
Usable length (ft)
Not recorded / not usable for this calculation
Usable build year
Not recorded / not usable for this calculation

Counted source identifiers: vessel register 1998

Vessel research record →
1,757 / 2,022 · vessel

SUNSHINE

Indexes
Vessel register only
Type
Ramsgate Fishing Vessel
Usable length (ft)
Not recorded / not usable for this calculation
Usable build year
Not recorded / not usable for this calculation

Counted source identifiers: vessel register 2003

Vessel research record →
1,758 / 2,022 · vessel

SURCOUF DG921

Indexes
Vessel register only
Type
French Fishing Vessel
Usable length (ft)
Not recorded / not usable for this calculation
Usable build year
Not recorded / not usable for this calculation

Counted source identifiers: vessel register 1974

Vessel research record →
1,759 / 2,022 · vessel

SURSUM CORDA

Indexes
Vessel register only
Type
HMS Dutch Coaster
Usable length (ft)
Not recorded / not usable for this calculation
Usable build year
Not recorded / not usable for this calculation

Counted source identifiers: vessel register 1911

Vessel research record →
1,760 / 2,022 · vessel

SURVILLE

Indexes
Vessel register only
Type
D
Usable length (ft)
Not recorded / not usable for this calculation
Usable build year
Not recorded / not usable for this calculation

Counted source identifiers: vessel register 1982

Vessel research record →
1,761 / 2,022 · vessel

SUTTON J78

Indexes
Vessel register only
Type
Fleet Minesweeper
Usable length (ft)
Not recorded / not usable for this calculation
Usable build year
Not recorded / not usable for this calculation

Counted source identifiers: vessel register 1916

Vessel research record →
1,762 / 2,022 · vessel

SUZANNE ADRIENNE

Indexes
Vessel register only
Type
Belgian Trawler
Usable length (ft)
Not recorded / not usable for this calculation
Usable build year
Not recorded / not usable for this calculation

Counted source identifiers: vessel register 1905

Vessel research record →
1,763 / 2,022 · vessel

SWALLOW

Indexes
In both indexes
Type
Army Launch
Usable length (ft)
Not recorded / not usable for this calculation
Usable build year
Not recorded / not usable for this calculation

Counted source identifiers: vessel register 2008 · Orde 279, 1466

Vessel research record →
1,764 / 2,022 · vessel

SWIFT

Indexes
Vessel register only
Type
C
Usable length (ft)
Not recorded / not usable for this calculation
Usable build year
Not recorded / not usable for this calculation

Counted source identifiers: vessel register 1910

Vessel research record →
1,765 / 2,022 · vessel

SWIFT WING

Indexes
In both indexes
Type
Naval Drifter
Usable length (ft)
Not recorded / not usable for this calculation
Usable build year
Not recorded / not usable for this calculation

Counted source identifiers: vessel register 2013 · Orde 417

Vessel research record →
1,766 / 2,022 · vessel

T.112

Indexes
Vessel register only
Type
French Torpedo Boat
Usable length (ft)
Not recorded / not usable for this calculation
Usable build year
Not recorded / not usable for this calculation

Counted source identifiers: vessel register 1921

Vessel research record →
1,767 / 2,022 · vessel

T.113

Indexes
Vessel register only
Type
French Torpedo Boat
Usable length (ft)
Not recorded / not usable for this calculation
Usable build year
Not recorded / not usable for this calculation

Counted source identifiers: vessel register 1979

Vessel research record →
1,768 / 2,022 · vessel

T.143

Indexes
Vessel register only
Type
French Torpedo Boat
Usable length (ft)
Not recorded / not usable for this calculation
Usable build year
Not recorded / not usable for this calculation

Counted source identifiers: vessel register 1926

Vessel research record →
1,769 / 2,022 · vessel

TALLY HO

Indexes
Vessel register only
Type
Rowboat
Usable length (ft)
Not recorded / not usable for this calculation
Usable build year
Not recorded / not usable for this calculation

Counted source identifiers: vessel register 1987

Vessel research record →
1,770 / 2,022 · vessel

TAM O'SHANTER

Indexes
Vessel register only
Type
Bargr
Usable length (ft)
Not recorded / not usable for this calculation
Usable build year
Not recorded / not usable for this calculation

Counted source identifiers: vessel register 1992

Vessel research record →