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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, 20:01 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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451 / 2,022 · vessel

DORIENTA

Indexes
Vessel register only
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 443

Vessel research record →
452 / 2,022 · vessel

DORINE

Indexes
Vessel register only
Type
French 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 447

Vessel research record →
453 / 2,022 · vessel

DORIS

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 536, 570 · Orde 1241, 1295

Vessel research record →
454 / 2,022 · vessel

DOROTHY HELENA SM7

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 541

Vessel research record →
455 / 2,022 · vessel

DOROTHY MARGARET

Indexes
Vessel register only
Type
Motor 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 457

Vessel research record →
456 / 2,022 · vessel

DOROTHY MARGARET RX102

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 452

Vessel research record →
457 / 2,022 · vessel

DORRIEN ROSE

Indexes
In both indexes
Type
Storeship
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 546 · Orde 1515

Vessel research record →
458 / 2,022 · vessel

DORSETSHIRE

Indexes
Vessel register only
Type
Hospital 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 444

Vessel research record →
459 / 2,022 · vessel

DOUAISIEN

Indexes
Vessel register only
Type
French 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 448

Vessel research record →
460 / 2,022 · vessel

DOVE

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 575

Vessel research record →
461 / 2,022 · vessel

DOVER ABBEY

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 580

Vessel research record →
462 / 2,022 · vessel

DOX? O90

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 462

Vessel research record →
463 / 2,022 · vessel

DREADNOUGHT II

Indexes
In both indexes
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 449 · Orde 1110

Vessel research record →
464 / 2,022 · vessel

DREADNOUGHT III

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 551

Vessel research record →
465 / 2,022 · vessel

DRIFTER

Indexes
Vessel register only
Type
Belgian 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 585

Vessel research record →
466 / 2,022 · vessel

DROMEDARY

Indexes
In both indexes
Type
Naval 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 590 · Orde 456

Vessel research record →
467 / 2,022 · vessel

DROMORE CASTLE

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 453

Vessel research record →
468 / 2,022 · vessel

DUCHESS

Indexes
In both indexes
Type
Thames 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 556 · Orde 1761

Vessel research record →
469 / 2,022 · vessel

DUCHESS OF CORNWALL

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 595

Vessel research record →
470 / 2,022 · vessel

DUCHESS OF FIFE J115

Indexes
Vessel register only
Type
Paddle 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 561

Vessel research record →
471 / 2,022 · vessel

DUCHESS OF NORMANDY

Indexes
Vessel register only
Type
Jersey Harbour 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 477

Vessel research record →
472 / 2,022 · vessel

DUCHESS OF YORK

Indexes
Vessel register only
Type
Southend 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 454

Vessel research record →
473 / 2,022 · vessel

DUGUESCLIN DG910

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 600

Vessel research record →
474 / 2,022 · vessel

DUKE

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 458 · Orde 1147

Vessel research record →
475 / 2,022 · vessel

DUKE OF ARGYLL

Indexes
Vessel register only
Type
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 571

Vessel research record →
476 / 2,022 · vessel

DUKE OF YORK

Indexes
Vessel register only
Type
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 482

Vessel research record →
477 / 2,022 · vessel

DUMPLIN

Indexes
Vessel register only
Type
g
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 463

Vessel research record →
478 / 2,022 · vessel

DUMPLING

Indexes
In both indexes
Type
Deal Beach 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 459 · Orde 1606

Vessel research record →
479 / 2,022 · vessel

DUNDALK

Indexes
In both indexes
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 576 · Orde 888, 1226

Vessel research record →
480 / 2,022 · vessel

DUNDALK J60

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 566

Vessel research record →