AERO-ALPHABET - Gy

Gyro-Cycle (Wayne University - Detroit . MI . USA)
Gyro-Cycle 1936 Human-powered Helicopter

Gyro-Kopp-Ters (Gyro-Kopp-Ters - Lake City . FL . USA)
Gyro-Kopp-Ters Midnight Hawk
Gyro-Kopp-Ters Twin Eagle

Gyrodyne (Gyrodyne Co. of America (Peter J. Papadakos) - Hicksville . NY . USA) {ErZ}
Gyrodyne DSN
Gyrodyne GCA-2
Gyrodyne GCA-5 Gyrodyne
Gyrodyne GCA-7 Helidyne
Gyrodyne GCA-55
Gyrodyne GCA-59 Rotorcycle
Gyrodyne HOG
Gyrodyne QH-50 DASH (DASH: destroyer anti-submarine helicopter)
Gyrodyne RON

Gyroflug {ErZ}
Gyroflug Speed Canard

Gyropter (American Gyropter Co. - Cincinnati . OH . USA)
Gyropter 1928 Autogyro

Gyroplane (Pennsylvania Aircraft Syndicate Ltd. / Burke E. Wilford)
Gyroplane XOZ-1

Gyroplane (Société Français du Gyroplane)
Gyroplane G-20

GyroTec (GyroTec Michael Obermaier - Wörth am Rhein, Germany) {ErZ}
GyroTec DF02