Fleet profile

HMY Britannia

John Brown & Sons 125.65 m 1953 United Kingdom Unknown

Key Facts

Length
125.65 m
Beam
16.76 m
Draught
4.76 m
Builder
John Brown & Sons
Year
1953
Type
Motor
Gross tonnage
5769.00 GT
Cruising speed
21.00 knots
Maximum speed
22.85 knots
Country
United Kingdom
Charter availability
Unknown

Previous / Project Names

No previous or project names recorded.

HMY Britannia is the former Royal Yacht built at Clydebank for the Admiralty by John Brown & Co. (Clydebank) Ltd. Launched by Queen Elizabeth II on 16 April 1953, she was completed and accepted by the Admiralty on 11 January 1954 and served the Royal Family until her decommissioning in December 1997.

The original 1954 technical paper records a length overall of 412 ft 3 in (125.65 m), a beam of 55 ft (16.76 m), mean draught of 15 ft 7½ in (4.76 m) and gross tonnage of 5,769. Her geared steam-turbine machinery was rated at 12,000 shaft horsepower, with a continuous seagoing speed of 21 knots; measured-mile trials reached 22.85 knots. Britannia is preserved at Leith, Edinburgh.

Specifications

Length125.65 m
Beam16.76 m
Draught4.76 m
Gross tonnage5769.00
ConstructionSteel hull and principal superstructure; aluminium retained above the bridge deck and for the funnel
Max speed22.85 kn
Cruise speed21.00 kn
Range3560
Machinery

Two sets of geared steam turbines and gearing; 12,000 shp nominal total, driving twin shafts

Yacht intelligence

Superyacht Passport

A dynamic record assembled from Superyacht Guide yacht data, sourced ownership records, construction milestones, valuations, sale listings and related reporting.

Identity

Current name
HMY Britannia
Launch year
1953
Builder
John Brown & Sons

Ownership & provenance

No sourced ownership record is currently published for this yacht.

Market snapshot

No current Superyacht Guide valuation is published.

Yacht timeline

Dated milestones and Superyacht Guide records, ordered chronologically.

16 Apr 1953
Launched
11 Jan 1954
Delivered
20 Aug 2026
Historic Yachts: Royal Yacht Britannia — Britain’s Last Floating Palace
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Passport evidence

The Royal Yacht Britannia — Historical Timeline
Supports: builder
The Royal Yacht Britannia — Historical Timeline
Supports: country
The Royal Yacht Britannia — Historical Timeline
Supports: year_launch
Her Majesty's Yacht Britannia — technical paper
Supports: build_date
Her Majesty's Yacht Britannia — technical paper
Supports: actual_launch_date
Her Majesty's Yacht Britannia — technical paper
Supports: actual_delivery_date
Her Majesty's Yacht Britannia — technical paper
Supports: length
Her Majesty's Yacht Britannia — technical paper
Supports: beam
Her Majesty's Yacht Britannia — technical paper
Supports: draught
Her Majesty's Yacht Britannia — technical paper
Supports: grosstons
Her Majesty's Yacht Britannia — technical paper
Supports: maxspeed
Her Majesty's Yacht Britannia — technical paper
Supports: cruisespeed
Her Majesty's Yacht Britannia — technical paper
Supports: range
Her Majesty's Yacht Britannia — technical paper
Supports: construction
Her Majesty's Yacht Britannia — technical paper
Supports: machinery

Superyacht Guide distinguishes sourced records, estimates and reported information. Evidence shown here reflects sources attached to this yacht record and may be updated as new verified information becomes available.

Where can HMY Britannia go?

22 public marina records are recorded with a maximum yacht length of at least 125.65 m.

Marina Genova

Genoa · Italy
Recorded maximum yacht length: 130.00 m
Length-capable record only. Current berth availability, beam and draught suitability must be confirmed directly.

Marina Genova Aeroporto

Genoa · Italy
Recorded maximum yacht length: 130.00 m
Length-capable record only. Current berth availability, beam and draught suitability must be confirmed directly.

Porto Mirabello

La Spezia · Italy
Recorded maximum yacht length: 130.00 m
Length-capable record only. Current berth availability, beam and draught suitability must be confirmed directly.

Port Hercule

Monaco · Monaco
Recorded maximum yacht length: 130.00 m
Length-capable record only. Current berth availability, beam and draught suitability must be confirmed directly.

Vilanova Grand Marina

Vilanova i la Geltrú · Spain
Recorded maximum yacht length: 130.00 m
Length-capable record only. Current berth availability, beam and draught suitability must be confirmed directly.

Grand Harbour Marina

Birgu / Vittoriosa · Malta
Recorded maximum yacht length: 135.00 m
Length-capable record only. Current berth availability, beam and draught suitability must be confirmed directly.
Explore all length-capable marinas

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Similarity is calculated from recorded Superyacht Guide data. A high match score does not imply identical design, condition, specification or market availability.

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