Auster AOP may refer to:
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Taylorcraft Auster - Taylorcraft Auster I, II, III, IV and V
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Auster AOP.6
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Auster AOP.9
The Auster AOP.9 was a British military air observation aircraft ("Air Observation Post") produced by Auster Aircraft Limited to replace the Auster AOP.6.
Design and development
The Auster AOP.9 was designed as a successor to the Auster AOP.6. ...
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