Fay, John Foster
The helicopter: history, piloting and how it flies / By John Fay; illustrated by Lucy Raymond [et al.]. - 0 4th ed. - New York : Hippocrene Books, 1987. - xiv, 223 p.
Helicopters
The helicopter: history, piloting and how it flies / By John Fay; illustrated by Lucy Raymond [et al.]. - 0 4th ed. - New York : Hippocrene Books, 1987. - xiv, 223 p.
Helicopters