Aviation Safety Letter 3/2004
Improving Stall and Spin Awareness
General Aviation Advisory Circular (GAAC) 2003-04 was released on November 20, 2003 and its purpose is to advise flight instructors of the amendment to Stall/Spin Awareness Guidance Notes — TP 13747E. It is also intended to remind pilots of the importance of adhering to procedures for the spin manoeuvre recommended by manufacturers of training aircraft and Transport Canada.
Stall/Spin Awareness Guidance Notes — TP 13747E, 2nd Edition, revised October 2003, is a reference to help flight instructors teach stalls and spins as outlined in the Flight Training Manual (FTM) and the Flight Instructor to instructors to improve the learning of these exercises. The minimum altitude for spin recovery in Canada is 2 000 ft above ground level (AGL) or a height recommended by the manufacturer, whichever is greater.
Canadian Aviation Regulation (CAR) 602.27 states: "No person operating an aircraft shall conduct aerobatic manoeuvres [.](d) below 2,000 feet AGL, except in accordance with a special flight operations certificate issued pursuant to section 603.02 or 603.67." Some training aircraft manufacturers have put forward conditional recommendations that suggest recovery at altitudes higher than those required by regulation. The majority of manufacturer's manuals are silent on the issue of spin entry altitudes.
Pilots are therefore reminded that selecting a safe spin entry altitude is the responsibility of the pilot-in-command (PIC). The entry altitude is not governed by regulation, but pilots must make this determination safely with the full knowledge of the aircraft capabilities under existing conditions of aircraft configuration, pilot skill and meteorological and human factors. Keeping always within the requirements of the pilot operating handbook (POH) or aircraft flight manual and CAR 602.27, flight training unit (FTU) operators and flight instructors are encouraged to adopt and communicate procedures outlining the conduct of the spin exercise best suited for their aircraft, pilots and geographical location. To read this GAAC in full, go to www.tc.gc.ca/
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