Blackburn Cubaroo

Produced Variants
T.4 CubarooFour-seat biplane long distance coastal defence aircraft to meet the requirements of DofR Type 9 Specification
(later Air Ministry Specification 8/21, superceded by 16/22). One 1000 h.p. Napier Cub powerplant.

Projected Variants
T.4A Cubaroo IICubaroo fitted with Two 650 h.p. Rolls-Royce Condor IV powerplants at mid gap between the wings.
T.4B Cubaroo IIIAs Cubaroo II fitted with Two 650 h.p. Rolls-Royce Condor III powerplants.
T.4C Cubaroo IVAs Cubaroo II with powerplants moved to lower wing.

T.4 Cubaroo

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Serial Range



Batch Qty




 2 aircraft ordered from The Blackburn Aeroplane and Motor Co. Ltd, Leeds, Yorkshire, to contract 227756/21 (revised on 326529/22). First flew August 1924.
 N166 - N167   2   

Total Production


  1. Blackburn used a series of Works Order Numbers rather than Constructors Numbers to identify individual airframes, but referred to here as C/n's for consistency.
  2. The aircraft was built at the Olympia Works, Leeds, but erected and flown from Brough Aerodrome, East Yorkshire.

Production References
  1. Blackburn Aircraft Since 1909, A.J. Jackson (Putnam, 1989)
  2. Fleet Air Arm Aircraft, Units and Ships, 1920 to 1939, Ray Sturtivant with Dick Cronin (Air Britain Publications, 1998)


V1.3.0 Created by Roger Moss. Last updated February 2017