Group Photo of Twirly Birds Members in Attendence at the American Helciopter Society (AHS) Forum
Slattery, John M.
Yarber, William J.
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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.