TWO GP-4 KITS FOR SALE • $10,000 • FOR SALE BY OWNER / BUILDER • Two GP-4 kits for sale. $10,000 or best offer. Owner may donate to qualified charity organization. Owner started #328 in his house in Washington, DC., later bought #303 to acquire assembled wing and operating landing gear, plus flight controls and fuselage. Kit #303 is located at Revolution Aviation, Inc., Williston, FL. Most parts included, missing parts available from Osprey Aircraft. Owner was unable to complete projects due to health issues. • Contact Dennis Funnemark - REVOLUTION AVIATION, INC , Friend of Owner - located Williston, FL 32696 United States • Telephone: 678-480-9370 • 678-480-9370 • Posted May 2, 2025 • Show all Ads posted by this Advertiser • Recommend This Ad to a Friend • Email Advertiser • Save to Watchlist • Report This Ad • View Larger Images