the sikorsky s-1 was the first fixed wing aircraft design by igor ivanovich sikorsky, a russian-american aviation pioneer in both helicopters and fixed-wing aircraft, his first success came with the s-2 in 1924.
the sikorsky s-1 was the first fixed wing aircraft design by igor ivanovich sikorsky, a russian-american aviation pioneer in both helicopters and fixed-wing aircraft, his first success came with the s-2 in 1924.
sikorsky s-1
sikorsky s-1