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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, 16:03 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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1,651 / 2,022 · vessel

SILVERY BREEZE

Indexes
Vessel register only
Type
Motor Yacht
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 1877

Vessel research record →
1,652 / 2,022 · vessel

SIMLA

Indexes
In both indexes
Type
Thames 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 1864 · Orde 1536

Vessel research record →
1,653 / 2,022 · vessel

SIMONE

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 1869

Vessel research record →
1,654 / 2,022 · vessel

SIMOUN

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 1874

Vessel research record →
1,655 / 2,022 · vessel

SINBAD II

Indexes
Vessel register only
Type
Motor 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 1882

Vessel research record →
1,656 / 2,022 · vessel

SIR ELVIN WOOD

Indexes
Vessel register only
Type
Army Cargo Ship
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 1879

Vessel research record →
1,657 / 2,022 · vessel

SIREHEI

Indexes
Vessel register only
Type
Norwegian 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 1887

Vessel research record →
1,658 / 2,022 · vessel

SIROCO T62

Indexes
Vessel register only
Type
French Destroyer
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 1836

Vessel research record →
1,659 / 2,022 · vessel

SKIPJACK

Indexes
In both indexes
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 1884, 1892 · Orde 1255, 1383

Vessel research record →
1,660 / 2,022 · vessel

SKITAWIT

Indexes
Vessel register only
Type
Motor 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 1897

Vessel research record →
1,661 / 2,022 · vessel

SKYLARK 2 SM5

Indexes
Vessel register only
Type
Shoreham Pleasure 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 1810

Vessel research record →
1,662 / 2,022 · vessel

SKYLARK 4 SM281

Indexes
Vessel register only
Type
Shoreham 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 1841

Vessel research record →
1,663 / 2,022 · vessel

SKYLARK 6

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 1899 · Orde 1324

Vessel research record →
1,664 / 2,022 · vessel

SKYLARK DR4

Indexes
Vessel register only
Type
Dover 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 1902

Vessel research record →
1,665 / 2,022 · vessel

SKYLARK I SM2

Indexes
Vessel register only
Type
Brighton 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 1889

Vessel research record →
1,666 / 2,022 · vessel

SKYLARK II

Indexes
Vessel register only
Type
Eastbourne 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 1894

Vessel research record →
1,667 / 2,022 · vessel

SKYLARK II SM281

Indexes
Vessel register only
Type
lost
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 1815

Vessel research record →
1,668 / 2,022 · vessel

SKYLARK III

Indexes
In both indexes
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 1903, 1907 · Orde 227

Vessel research record →
1,669 / 2,022 · vessel

SKYLARK IV

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 1820

Vessel research record →
1,670 / 2,022 · vessel

SKYLARK IX

Indexes
Vessel register only
Type
Poole Motor 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 1904

Vessel research record →
1,671 / 2,022 · vessel

SKYLARK LO243

Indexes
Vessel register only
Type
London 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 1805

Vessel research record →
1,672 / 2,022 · vessel

SKYLARK VI

Indexes
Vessel register only
Type
Poole Passenger 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 1846

Vessel research record →
1,673 / 2,022 · vessel

SKYLARK X

Indexes
Vessel register only
Type
Thames Passenger 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 1912

Vessel research record →
1,674 / 2,022 · vessel

SMALL VIKING

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 1825

Vessel research record →
1,675 / 2,022 · vessel

SMILING THROUGH

Indexes
Vessel register only
Type
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 1909

Vessel research record →
1,676 / 2,022 · vessel

SMUGGLER

Indexes
Vessel register only
Type
Dinghy
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 1913

Vessel research record →
1,677 / 2,022 · vessel

SNAEFELL J118

Indexes
Vessel register only
Type
Paddle Steamer
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 1914

Vessel research record →
1,678 / 2,022 · vessel

SOBIESKI

Indexes
Vessel register only
Type
Polish Passenger Liner
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 1830

Vessel research record →
1,679 / 2,022 · vessel

SODALITY

Indexes
In both indexes
Type
Cargo Ship
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 1919 · Orde 1453

Vessel research record →
1,680 / 2,022 · vessel

SOIZIC L4107

Indexes
Vessel register only
Type
French 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 1924

Vessel research record →