Flying in one of the nicest Vans RV7 Builds Yet! - Sir Drifto Watch in HD on YouTube! Share on Facebook! The RV-7/7A is one of Van’s most popular current designs, with 1,925 having flown to-date. Since the RV-7/7A replaced the most popular kit aircraft in history, Van’s RV-6/6A, this is probably no surprise.