High Quality Content by WIKIPEDIA articles! The Van's RV-9 and RV-9A are two-seat, single-engine, low-wing homebuilt airplanes sold in kit form by Van's Aircraft. The RV-9 is the tail-wheel equipped version while the RV-9A features a nose-wheel. The RV-9 was built around a newly-designed high aspect ratio wing, featuring a Roncz airfoil. It is similar in size and weight to RV-6 and is externally similar to the RV-6 and the RV-7. The architect of the line of Van's aircraft, Richard VanGrunsven, designed the RV-9 as a departure from the concepts of the earlier RV series.