Search -
Vought/Hiller/Ryan XC-142A Tiltwing VSTOL transport (Air Force Legends #213)
Vought/Hiller/Ryan XC142A Tiltwing VSTOL transport - Air Force Legends #213 Author:William Norton Extensive and detailed development and testing study of this important VSTOL testbed that helped pave the way to the current Osprey tilt-rotor VSTOL. Over 300 photos.