What is Auster AOP.9?
[[File:Rougham airstrip - Airplane Taking Off.jpg|thumb|Auster AOP.9]] The '''Auster AOP.9''' is a light [[military]] [[aircraft]]. It was designed and built in [[UK]] between [[1955]] and [[1960]]. It was used by British [[Army]] and [[Royal Air Force]] for light liaisons and observation. [[Category:Royal Air Force aircraft]] {{military-stub}}