THORP S-18 PLANS NEW • $395 • BUY IT • BUILD IT • FLY IT • If you have ever considered building a Thorp S-18 here are the plans needed to build one. The Thorp S-18 is an upgraded version of the highly popular Thorp T-18 (the first amateur built aircraft to fly around the world and over both poles!). These are brand now plans. $395.00 plus shipping. • VISIT MY WEBSITE • Contact Alex Pearson , Owner - located San Antonio, TX 78239 United States • Telephone: ---------- • ---------- • BUSINESS CARD •  Posted May 18, 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