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Build-year coverage

Selected category: Missing / unusable

2,026 matching records / counted units

These are the same counted units and category assignments used in the summary snapshot, calculated 17 Sep 2026, 23:38 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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1,441 / 2,026 · vessel

PRINCESS MAUD

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 1612, 1618 · Orde 304

Vessel research record →
1,442 / 2,026 · vessel

PRINS ALBERT

Indexes
Vessel register only
Type
Belgian Passenger 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 1617

Vessel research record →
1,443 / 2,026 · vessel

PRINS BOUDEWIJN O153

Indexes
Vessel register only
Type
Belgian 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 1540

Vessel research record →
1,444 / 2,026 · vessel

PRINSES ASTRID

Indexes
Vessel register only
Type
Belgian Passenger 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 1622

Vessel research record →
1,445 / 2,026 · vessel

PRINSES BEATRIX

Indexes
Vessel register only
Type
Dutch Passenger 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 1545

Vessel research record →
1,446 / 2,026 · vessel

PRINSES JOSEPHINE CHARLOTTE

Indexes
Vessel register only
Type
Belgian Passenger 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 1623

Vessel research record →
1,447 / 2,026 · vessel

PRINSES JULIANA

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 1619

Vessel research record →
1,448 / 2,026 · vessel

PROGRESS

Indexes
Vessel register only
Type
Whitby 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 1628

Vessel research record →
1,449 / 2,026 · vessel

PROMROSE

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 1587

Vessel research record →
1,450 / 2,026 · vessel

PROSPERITY

Indexes
Vessel register only
Type
Whitby 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 1627

Vessel research record →
1,451 / 2,026 · vessel

PROVIDER

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 1606, 1632 · Orde 131

Vessel research record →
1,452 / 2,026 · vessel

PUISSE MARIE

Indexes
Vessel register only
Type
Possibly Pierreet Marie
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 1629

Vessel research record →
1,453 / 2,026 · vessel

PUNJABI F21

Indexes
Vessel register only
Type
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 1637

Vessel research record →
1,454 / 2,026 · vessel

Q J & J

Indexes
Vessel register only
Type
Lynn 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 1555

Vessel research record →
1,455 / 2,026 · vessel

QUEEN

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 1560, 1616

Vessel research record →
1,456 / 2,026 · vessel

QUEEN BOADICEA

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 1633

Vessel research record →
1,457 / 2,026 · vessel

QUEEN TENDER

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 1643

Vessel research record →
1,458 / 2,026 · vessel

QUEENALEXANDRA

Indexes
Vessel register only
Type
Sailing 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 1621

Vessel research record →
1,459 / 2,026 · vessel

QUEENOFENGLAND

Indexes
Vessel register only
Type
Thames 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 1565

Vessel research record →
1,460 / 2,026 · vessel

QUEENOFTHANET J30

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 1570

Vessel research record →
1,461 / 2,026 · vessel

QUEENOFTHECHANNEL

Indexes
Vessel register only
Type
Troopship
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 1575

Vessel research record →
1,462 / 2,026 · vessel

QUEENS CROSS

Indexes
Vessel register only
Type
Middleburg 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 1634

Vessel research record →
1,463 / 2,026 · vessel

QUEENSLAND

Indexes
Vessel register only
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 1642

Vessel research record →
1,464 / 2,026 · vessel

QUEEN’SCHANNEL

Indexes
Vessel register only
Type
MN Hopper 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 1626

Vessel research record →
1,465 / 2,026 · vessel

QUICKSILVER

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 1580, 1631 · Orde 1323, 1503

Vessel research record →
1,466 / 2,026 · vessel

RACIA

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 1657 · Orde 801, 1688

Vessel research record →
1,467 / 2,026 · vessel

RAF HSL 120

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 1652

Vessel research record →
1,468 / 2,026 · vessel

RAF PINNACE NO.32

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 1585

Vessel research record →
1,469 / 2,026 · vessel

RAF SEA PLANE TENDERS; 243, 254, 276, 291

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 1648

Vessel research record →
1,470 / 2,026 · vessel

RAMSGATE SCOUTS’ DINGHY

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 1644

Vessel research record →