Mich. Comp. Laws § 259.186
The owner of an aircraft or the person in charge or in control of an aircraft shall not knowingly permit the aircraft to be operated over or upon the lands or waters of this state by a person who is under the influence of intoxicating liquor or a controlled substance, or any drug or combination of drugs that renders a person incapable of safely operating an aircraft or acting as a crew member of an aircraft, or a combination of intoxicating liquor and a controlled substance or any drug or combination of drugs that renders a person incapable of safely operating an aircraft or acting as a crew member of an aircraft, or who consumed an intoxicating liquor or a controlled substance, or any drug or combination of drugs that renders a person incapable of safely operating an aircraft or acting as a crew member of an aircraft, within 8 hours before operating the aircraft or acting or attempting to act as a crew member of an aircraft. A person who violates this section is guilty of a misdemeanor, punishable by imprisonment for not more than 93 days, or a fine of not less than $100.00 or more than $500.00, or both, together with costs of the prosecution.
MCL 259.186