AERO-ALPHABET - Cy
Cyclone (Cyclone Airsports Ltd.)
Cyclone AX2000
Cycloplane (Cycloplane Co. Ltd. (founders - H. S. Dick Myhres / Omer L. Woodson) - [3.7.8.1. Angeles Mesa Dr.] Los Angeles . CA . USA)
(Wheeler) Cycloplane A-1
Cycloplane C-1
Cycloplane C-2
Cyclops (Zaharoff Aeronautical Corp. of America - [5.5. W. 42 St.] New York . NY . USA)
Cyclops Z-II
Cyclops Z-IV