In 2018, the airport was the base for a search and rescue training mission run by the US Navy and the Air National Guard.

MH-60 Sea Hawk Helicopters and A-10 Thunderbolts operated at the airport as part of the mission.

[5] Ontonagon County Airport covers an area of 360 acres (145 ha) at an elevation of 665 feet (203 m) above mean sea level.

[1][6] The airport has a fixed-base operator that sells avgas and offers amenities such as coffee, a crew lounge, and a snooze room.

[7] A number of airport upgrade plans were announced in 2016, including installing an Automatic Weather Observation System (AWOS), extending the runway length and clearing land to create a runway protection zone for emergency landings.