← Back to the summary

Follow the evidence

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 18 Sep 2026, 02:58 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.

Show all categories in this dataset →

1,321 / 2,026 · vessel

OCEAN'S GIFT NN170

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 1491

Vessel research record →
1,322 / 2,026 · vessel

OCEAN'S SPRAY NN170

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 1486

Vessel research record →
1,323 / 2,026 · vessel

OCEANBREEZE

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 1390

Vessel research record →
1,324 / 2,026 · vessel

OCEANCOCK

Indexes
Vessel register only
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 1471

Vessel research record →
1,325 / 2,026 · vessel

OCEANREWARD

Indexes
Vessel register only
Type
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 1449

Vessel research record →
1,326 / 2,026 · vessel

OCEANSPRAY

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 1481

Vessel research record →
1,327 / 2,026 · vessel

OFFEMIA

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 1454

Vessel research record →
1,328 / 2,026 · vessel

OFFENUA

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 1459

Vessel research record →
1,329 / 2,026 · vessel

OLIVAE

Indexes
Vessel register only
Type
Possibly Olivina
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 1405

Vessel research record →
1,330 / 2,026 · vessel

OLIVE JOYCE NN31

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 1482

Vessel research record →
1,331 / 2,026 · vessel

OLIVE MAY

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 1400

Vessel research record →
1,332 / 2,026 · vessel

OLIVIA

Indexes
Vessel register only
Type
Possibly Olivina
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 1496

Vessel research record →
1,333 / 2,026 · vessel

OLVINA FY154

Indexes
Vessel register only
Type
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 1410

Vessel research record →
1,334 / 2,026 · vessel

ONDER ONS O318

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 1503

Vessel research record →
1,335 / 2,026 · vessel

ONYX

Indexes
Vessel register only
Type
A
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 1487

Vessel research record →
1,336 / 2,026 · vessel

ONZE LIEVE VROUW VAN VLAANDEREN

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 1492

Vessel research record →
1,337 / 2,026 · vessel

ORACLE

Indexes
Vessel register only
Type
Naval 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 1464

Vessel research record →
1,338 / 2,026 · vessel

ORANJE

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 1469 · Orde 422, 1334

Vessel research record →
1,339 / 2,026 · vessel

ORANSAY

Indexes
Vessel register only
Type
Motor 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 1501

Vessel research record →
1,340 / 2,026 · vessel

ORELLANA

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 1425, 1508

Vessel research record →
1,341 / 2,026 · vessel

ORIOLE J110

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 1506

Vessel research record →
1,342 / 2,026 · vessel

ORMONDE

Indexes
Vessel register only
Type
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 1511

Vessel research record →
1,343 / 2,026 · vessel

ORONSAY

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 1430

Vessel research record →
1,344 / 2,026 · vessel

OROTAVA

Indexes
Vessel register only
Type
Rye 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 1435

Vessel research record →
1,345 / 2,026 · vessel

ORTRAVA

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 1479

Vessel research record →
1,346 / 2,026 · vessel

OSCAR AUGUST O173

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 1516

Vessel research record →
1,347 / 2,026 · vessel

OSPREY

Indexes
Vessel register only
Type
Thames Customs 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 1474

Vessel research record →
1,348 / 2,026 · vessel

OSTREVENT

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 1521

Vessel research record →
1,349 / 2,026 · vessel

OTRANTO

Indexes
Vessel register only
Type
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 1484

Vessel research record →
1,350 / 2,026 · vessel

OULTON BREEZE

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 1497

Vessel research record →