Group Photo of Twirly Birds Members in Attendence at the American Helciopter Society (AHS) Forum
Group photograph of members of the Twirly Birds in attendance at the 1976 American Helicopter Society Forum in Washington D.C. Front Row L-R: Hal Hermes, John Slattery, Joe Marshman, Hans Weichsel, Frank "Bud" Kelly. Middle Row L-R: Lee Wilhelm, Jack Armstrong, Fox Stevens, Ralph Alex, Ed Brown, Tom Hall, Harry Mitchell, Alec Rankin, Jack Mimnaugh. Rear Row L-R: Bob Richardson, Al Stingl, Dave Kaplan, Dave Hughes, Bruce Wyckoff, Bill Stuyvesant, Harry Dunn, Harry Copperthite, Roger Scott.
Slattery, John M., American Helicopter Society (AHS)
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