Indiana airports are looking for ways to become self-sustaining, including land leases for commercial use.
New funding allows municipal airport control towers to stay open through September, but their long-term fate is still uncertain.
The Columbus Municipal Airport tower had already received a two-week delay to its closure date.
Columbus Municipal Airport officials say they are still trying to find ways to avoid a shutdown of the airport's control tower.
Some Indiana control towers will be closing due to pre-sequester cuts.