Mich. Comp. Laws § 259.183: Conduct constituting felony; penalty.

Sec. 183.

A person who willfully and without authority takes possession of or uses an aircraft, or unlawfully removes or takes any component parts of an aircraft, and a person who assists in, or is a party to taking illegal possession of or use of an aircraft or component parts belonging to another, and a person who willfully and unlawfully makes an aircraft unsafe, and a person who assists in, or is a party to making an aircraft unsafe, is guilty of a felony punishable by imprisonment for not more than 5 years, a fine of not more than $2,000.00, or community service of not more than 6 months, or any combination of these penalties.