The Vans RV4 Aircraft is an Affordable Sports Car of the Sky - Sir Drifto Watch in HD on YouTube! Share on Facebook! The Van's RV4 is an American light homebuilt aircraft supplied in kit form by Van's Aircraft of Aurora, Oregon. It seats two people in a tandem seating configuration with the pilot accommodated in the front seat. The Van's RV series has become the most popular kit-built aircraft in the world.