Middleline Aviation Inc
5 aircraft registered with the FAA to this corporation of Ballston Spa, NY.
- N3106E 1946 Aeronca 7CCMFixed-wing, single engine Ballston Spa, NY Registered
- N43MD 1989 Glaser-Dirks DG 600Glider Ballston Spa, NY Registered
- N537PV 2013 Pipistrel Doo Ajdovscina VIRUS SWFixed-wing, single engine Ballston Spa, NY Registered
- N105WR Schleicher ASW-24Glider Ballston Spa, NY Registered
- N729MD 2002 Schleicher ASW-27BGlider Ballston Spa, NY Registered