1-person sport aircraft - RV–4 - Vans Aircraft, Inc. - single-engine / piston engine / aerobatic
Still Young at 35
Sport Aviation : David Anders' Reserve Grand Champion RV-4;Aerobatics in Homebuilts Matching Men & Women & Machines; A 'Coupe for Vitas Lapenas; The Speedtwin developted y Peter J. C. Phillips: Jack Cox,
Aerobatics - Van's Aircraft RV-4
RV-4 - Van's Aircraft Total Performance RV Kit Planes