The Flight International Helicopter Directory reviews military and civil rotorcraft in production today
Flight international ; 152 , 4587
1997
Article (Journal)
English
Welt , Zeitschrift , Luftverkehr , Mechanik , Luftfahrt
Civil rotorcraft directory . Comprehensive list of the world's rotorcraft
Online Contents | 2000
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|Rotorcraft-helicopter written test guide : flight instructor
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