Formation Clinic 2017 Madera CA - Massive 36 Ship Formation! - George Ford See our values at work in practice and an all up flight that includes 36 RV Vans Aircraft all in formation! RV-3B, RV-4, RV-6, RV-6A, RV-7, RV-7A, RV-8, RV-8A, and Lead flown by Gunner in his RV-9A. We discovered in this clinic that the dash A indicates "Awesome".