Mich. Comp. Laws § 259.6

Sec. 6. As used in this act: (a) "Landing area" means an area of an airport, landing field, or other aeronautical facility used or intended for use in landing, taking off, or taxiing of aircraft, excluding area and facilities for shelter, servicing, or repair of aircraft or for receiving or discharging passengers or cargo. (b) "Landing field" means any location, either on land or water, that is used for the landing or take-off of aircraft. (c) "Manufacturer" means a person engaged in the business of manufacturing aircraft, aircraft engines, propellers, component parts, appliances, or accessories. (d) "Nonresident" means a person who is not a resident of this state. (e) "Operation of aircraft" or "operate aircraft" means the use of aircraft for the purpose of air navigation, including the navigation or piloting of aircraft. Any person who causes or authorizes the operation of aircraft, whether with or without the right of legal control in the capacity of owner, lessee, or otherwise, of the aircraft, is engaging in the operation of aircraft.