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Aircraft Owners and Pilots Association (AOPA)
Autor de AOPA's Handbook for Pilots
Obras de Aircraft Owners and Pilots Association (AOPA)
AOPA's Handbook for Pilots 6 copias
Places to Fly, Vol. 2 2 copias
Places to Fly, Vol. 3 2 copias
AOPA Pilot 50th anniv. Mar 2008 1 copia