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msn 406
DHC-6 Twin Otter Series 300
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NI0IAC of ALLEGHENY COMMUTER at Philadelphia - KPHL, Pennsylvania.
Photo: Joseph Lezark © 12 April 1984 - Michael J. Ody Collection
N101AC of SOUTHERN JERSEY, at Newark - KEWR, New Jersey.
Photo: Unknown photographer © 03 June 1989 - Michael J. Ody Collection
NI7IGC of GRAND CANYON AIRLINES at a snowy Grand Canyon.
Photo: Erik Johannesson © 19 November 1991
N171GC at Boulder.
Photo: Unknown photographer © December 2007 - Erik Johannesson Collection
N171GC at Grand Canyon - KGCN, Arizona.
Photo: Frank Jaeger © 13 May 2015 - Erik Johannesson Collection