Certificate no 2683
Status Archived


Function Service Vessel
Subfunction Tender
Location Ipswich
Vessel type Seaplane Tender
Archive reason More information required
Current use Private use
Available to hire No
Available for excursions No
Info required Yes


Builder British Power Boat Co Ltd. Hythe
Built in 1941
Hull material Wood
Rig None
Number of decks
Number of masts
Propulsion Motor
Number of engines 2
Primary engine type Inboard diesel
Boiler type None
Boilermaker None


Length: Overall
41.00 feet (12.50 m)
Breadth: Beam
11.00 feet (3.35 m)
2.00 feet (0.61 m)
Air Draft
6.00 feet (1.83 m)
Tonnage: Gross


ST440 was built as a seaplane tender in 1941 by the British Powerboat Company of Hythe. She is of timber clinker construction and is powered by twin BMC diesel engines.

After service with the Royal Air Force until 1954 she passed into private ownership.

We are lacking information on this particular vessel. If you have any information on this vessel past or present, please contact us.

Key dates

  • 1941

    Built by British Powerboat Company of Hythe

  • 1954

    Sold out of service from the Royal Air Force

  • 2013

    In daily use following a six year restoration

Own this vessel?

If you are the owner of this vessel and would like to provide more details or updated information, please contact info@nationalhistoricships.org.uk

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