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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, 19:14 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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421 / 2,022 · vessel

DESIREE

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 404, 409, 525

Vessel research record →
422 / 2,022 · vessel

DESPATCH II

Indexes
In both indexes
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 506 · Orde 1788

Vessel research record →
423 / 2,022 · vessel

DEVILFISH

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 530

Vessel research record →
424 / 2,022 · vessel

DEVONIA

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 407

Vessel research record →
425 / 2,022 · vessel

DEVONIA J113

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 511

Vessel research record →
426 / 2,022 · vessel

DEVONSHIRE BOY

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 414

Vessel research record →
427 / 2,022 · vessel

DHOON

Indexes
Vessel register only
Type
MN 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 516

Vessel research record →
428 / 2,022 · vessel

DIAMOND

Indexes
Vessel register only
Type
Weymouth 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 412

Vessel research record →
429 / 2,022 · vessel

DIANA

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 413, 424

Vessel research record →
430 / 2,022 · vessel

DIANA II

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 429

Vessel research record →
431 / 2,022 · vessel

DIANA MARY

Indexes
Vessel register only
Type
Thames 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 434

Vessel research record →
432 / 2,022 · vessel

DIANTE

Indexes
Vessel register only
Type
Cabin Cruiser
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 417

Vessel research record →
433 / 2,022 · vessel

DIANTHUS

Indexes
In both indexes
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 545 · Orde 1146

Vessel research record →
434 / 2,022 · vessel

DIDO

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 418

Vessel research record →
435 / 2,022 · vessel

DIJONNAIS AD33

Indexes
Vessel register only
Type
French Naval 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 521

Vessel research record →
436 / 2,022 · vessel

DILIGENTE

Indexes
In both indexes
Type
French Gunboat
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 550 · Orde 964

Vessel research record →
437 / 2,022 · vessel

DINARD

Indexes
In both indexes
Type
Hospital Carrier
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 555 · Orde 531, 674, 879, 972

Vessel research record →
438 / 2,022 · vessel

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 427

Vessel research record →
439 / 2,022 · vessel

DINKY

Indexes
In both indexes
Type
10ft 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 422 · Orde 1252

Vessel research record →
440 / 2,022 · vessel

DIONE

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 432

Vessel research record →
441 / 2,022 · vessel

DITTO

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 437

Vessel research record →
442 / 2,022 · vessel

DLG R47

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 560

Vessel research record →
443 / 2,022 · vessel

DOGGERSBANK

Indexes
In both indexes
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 423 · Orde 403, 1124, 1511

Vessel research record →
444 / 2,022 · vessel

DOLPHIN

Indexes
Vessel register only
Type
Thames 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 428

Vessel research record →
445 / 2,022 · vessel

DOLPHIN’S POWER BOAT

Indexes
Vessel register only
Type
HMS
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 442

Vessel research record →
446 / 2,022 · vessel

DOMINENCE

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 439

Vessel research record →
447 / 2,022 · vessel

DONA FLORA

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 433

Vessel research record →
448 / 2,022 · vessel

DORBET 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 565

Vessel research record →
449 / 2,022 · vessel

DOREEN

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 438

Vessel research record →
450 / 2,022 · vessel

DORIA

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 526 · Orde 1005

Vessel research record →