“Our first meeting with the FAA went extremely well because when we laid out the plan, they said ‘Thank God, you’re no longer pushing the unrealistic plan for commercial aircraft,' ” Duggan said. Since regular passenger service stopped, the airport has operated solely as a base for corporate jets and small private planes. Although the runway was able to accommodate Boeing 737s and occasional 727s during the 1990s, those passenger jets could only operate under significant weight restrictions. Olivet and Gethsemane - precluding necessary runway extensions. The main obstacles to passenger service is the short length of the airport's 5,090-foot primary runway, and the fact it is hemmed in by two cemeteries - Mt. Southwest Airlines pulled out of the airport, formerly known as Detroit City Airport, in 1993, and the last airline to have regular service there, Pro Air, stopped operations in 2000. However, the plan doesn't envision any return of commercial passenger airline service.