Paul Werbin has furnished to us a copy of an article from the October 2007 issue of Professional Pilot which discusses the modification by Beechcraft in 1980 of a Sundowner to operate on liquid methane.
Paul Werbin has furnished to us a copy of an article from the October 2007 issue of Professional Pilot which discusses the modification by Beechcraft in 1980 of a Sundowner to operate on liquid methane.