| A major problem with the autogyro was driving the rotor before takeoff. |
| Autogiro, also spelled autogyro, rotary-wing aircraft, superseded after World War II by the more efficient helicopter. |
| This footnote was appended on 15 May 2012: strictly speaking, Little Nellie is an autogyro designed by Wing Commander Ken Wallis. |
| A similar design, called the autogyro boat, uses a wind turbine without the propellor, and functions in a manner similar to a normal sail. |
| The attempt by a Yorkshire-based soldier to fly an autogyro single-handed from England to Australia has failed. |
| Up to the 1940s, they created many autogyros, including the TsAGI A-7-3, the only armed autogyro to see combat action. |
