Canberra B. Mk. 2 WD 959 (2 x Avon 1) Further Assessment of Two-Position Air Brakes. Descents from High Altitudes Open PDF Document Details Document Type Technical Report Publication Date Dec 31, 1953 Accession Number AD0029719 Tags Communities of Interest Weapons Technologies DTIC Thesaurus Topics Air Temperature Aircrafts Airframes Altitude Brakes Emergencies Engines Government (Foreign) High Altitude Low Altitude Mach Number Measurement National Security Nose Wheels Pneumatic Brakes Technical Information Centers Wing Tips