Aircraft Data Sheet: Saunders-Roe P. 531-1

First flight:	30th September 1958
Rotor diameter:	9.9m/32ft 6ins
Length:	9.2m/30ft 4ins
Max weight:	1723kg/3,800lb
Max speed:	193kph/104knots
Power:	One 425shp/316kW Blackburn-Turbomeca Turmo FF turboshaft
Accommodation:	Pilot plus three
No Built:	Six (P-531 all versions)

Saunders-Roe were fully engaged upon the development of the P-531 project at the time of the Westland take over. The work on deck landing was of special significance forming as it did the basis for future shipborne helicopter operations.