DR 331943-1988Air Registration Board and Civil Aviation Authority, Airworthiness Division, Aircraft Projects Department: Registered Files and Reports
This series contains registered files and reports on the certification of various types of British civil aircraft.
The files include general correspondence and non-technical papers as well as detailed papers on flight characteristics, strength and materials, powerplant and fire precautions, fuselage and pressure cabins, undercarriage and brakes, instruments and electrics, weight, ancillary systems, fatigue, and flight control systems.