Motor yacht · John Brown & Co., Clydebank (yard 691) · 1954

Hmy Britannia

Reportedly owned by Queen Elizabeth II / UK Royal Family. 125.65 metres — 412 feet — on the water.

No position on file125.65 m · 412 ft5,769 GT
On fileThe specification
Length
125.65 m · 412 ft
Beam
16.76 m · 55 ft
Gross tonnage
5,769
Builder
John Brown & Co., Clydebank (yard 691)
Year
1954
Flag
Uk
Type
Motor
Home port
Guests
Cruise speed
Est. value
IMO
8635306
MMSI
Call sign
PhotographyThe vessel

4 photographs from public sightings via MarineTraffic. Click any frame to view it full size.

Where she wasLast position
No position report on file — no MMSI on file.
StatusNo position on file
Waters
Coordinates
Speed
Heading
Reported

A single AIS fix, not a live stream. Transponders are switched off routinely and lawfully in port.

Open the full map →
From the register

44 years, 968 royal visits, 1M+ miles; decommissioned 11 Dec 1997

Ownership

Reportedly owned by Queen Elizabeth II / UK Royal Family

Hmy Britannia is the only hull we have matched to Queen Elizabeth II / UK Royal Family.

View the Queen Elizabeth II / UK Royal Family file →

Specification and photography compiled from public maritime databases and open sightings. Position last reported . Ownership is reported, not certified — see the method.