← 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, 00:37 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 →

1,411 / 2,026 · vessel

POLGRANGE

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 1510

Vessel research record →
1,412 / 2,026 · vessel

POLLUX

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 1562

Vessel research record →
1,413 / 2,026 · vessel

POLLY

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 1576

Vessel research record →
1,414 / 2,026 · vessel

POLLY JOHNSON

Indexes
In both indexes
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 1515 · Orde 913

Vessel research record →
1,415 / 2,026 · vessel

POMPADOUR

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 1593

Vessel research record →
1,416 / 2,026 · vessel

POP GUN B3

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 1520

Vessel research record →
1,417 / 2,026 · vessel

PORT MONTREAL

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 1567

Vessel research record →
1,418 / 2,026 · vessel

PORTHMORNA

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 1572

Vessel research record →
1,419 / 2,026 · vessel

PORTSDOWN

Indexes
Vessel register only
Type
MN 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 1584

Vessel research record →
1,420 / 2,026 · vessel

PORTSEA

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 1589

Vessel research record →
1,421 / 2,026 · vessel

PRAGUE

Indexes
In both indexes
Type
SS 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 1577 · Orde 80, 901, 1140, 1244, 1335, 1502

Vessel research record →
1,422 / 2,026 · vessel

PRESENT FRIENDS

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 1525

Vessel research record →
1,423 / 2,026 · vessel

PRESENT HELP

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 1594

Vessel research record →
1,424 / 2,026 · vessel

PRESIDENT BRIAND LR33146

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 1582

Vessel research record →
1,425 / 2,026 · vessel

PRESIDENT BUARS

Indexes
Vessel register only
Type
Possibly President Briand
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 1599

Vessel research record →
1,426 / 2,026 · vessel

PRESTON BELLE

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 1581

Vessel research record →
1,427 / 2,026 · vessel

PRIDE OF FOLKESTONE

Indexes
Vessel register only
Type
Folkestone 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 1604

Vessel research record →
1,428 / 2,026 · vessel

PRIMA

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 1598 · Orde 1296

Vessel research record →
1,429 / 2,026 · vessel

PRINCE

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 1530, 1603 · Orde 108

Vessel research record →
1,430 / 2,026 · vessel

PRINCE BAUDOUIN

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 1609

Vessel research record →
1,431 / 2,026 · vessel

PRINCE CHARLES

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 1586

Vessel research record →
1,432 / 2,026 · vessel

PRINCE LEOPOLD

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 1592

Vessel research record →
1,433 / 2,026 · vessel

PRINCE OF WALES

Indexes
Vessel register only
Type
Southend 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 1597

Vessel research record →
1,434 / 2,026 · vessel

PRINCESS

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 1591 · Orde 1730

Vessel research record →
1,435 / 2,026 · vessel

PRINCESS ELEANORA

Indexes
Vessel register only
Type
Possibly Princess Helena
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 1614

Vessel research record →
1,436 / 2,026 · vessel

PRINCESS ELIZABETH

Indexes
In both indexes
Type
HMS 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 1608 · Orde 45, 50, 300, 314, 626, 631, 1370, 1537

Vessel research record →
1,437 / 2,026 · vessel

PRINCESS HELENA

Indexes
Vessel register only
Type
MN 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 1613

Vessel research record →
1,438 / 2,026 · vessel

PRINCESS LILY

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 1535 · Orde 85, 93

Vessel research record →
1,439 / 2,026 · vessel

PRINCESS MARIE JOSE

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 1596

Vessel research record →
1,440 / 2,026 · vessel

PRINCESS MARY SM129

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 1607

Vessel research record →