Born: United States of America
Primarily active in: United States of America

Frank K. MacMahon was the Manager Military Liaison, The Boeing Company's Vertol Division. MacMahon, a Colonel in the United States Army Reserve, was a charter member of the Army Aviation Association of America and the American Helicopter Society.  He was a former vice president of each organization.  MacMahon was also a member of the AUSA, the AOA, and the Twirly Birds.

Obituary (pg-36) : Vertiflite April 1964