61326517AerospatialeBrandywineBrandywine AirportCG6517CanonCanon 7DCanon EF 100400mm f4.55.6L IS USMHH65John KlosKOQNMH65DMilitaryOQNPennsylvaniaRotorfest 2012US Coast Guardaircraftairlineairplaneaviationhelicopterspotting