Mich. Comp. Laws § 259.102
Where necessary, in order to provide unobstructed air space for the landing and taking off of aircraft utilizing airports, landing fields, and other aeronautical facilities acquired or operated under this act, the commission may acquire, in the same manner as is provided for the acquisition of property for airport purposes, easements through or other interests in air space over land or water, interests in airport hazards outside the boundaries of the airports, landing fields, or other aeronautical facilities and other airport protection privileges as are necessary to insure safe approaches to the landing areas of airports, landing fields, and other aeronautical facilities, and the safe and efficient operation of these airports, landing fields, and aeronautical facilities. The commission may also acquire, in the same manner, the right or easement, for a term of years or perpetually, to place or maintain suitable marks for the daytime marking and suitable lights for the nighttime marking of airport hazards, including the right of ingress and egress to or from such airport hazards for the purpose of maintaining and repairing the lights and marks. This authority shall not be so construed to limit the right, power, or authority of the state or any political subdivision to zone property adjacent to any airport pursuant to laws of this state.
MCL 259.102