The Trust Fund set up sources of funding that would increase at the same time as use of the system and that would ensure timely and long-term financial commitments as capacity increased.

Established in 1970, the Trust Fund finances investments in the airport and airway system and, as funds are available, covers the operating costs of the airway system. Read more in the Airport & Airway Trust Fund (AATF) Fact Sheet (PDF).

FY 2015 Status

At the beginning of FY 2015, the Trust Fund had a cash balance of $13.5 billion.

The Treasury Department issues monthly income statements on Trust Fund revenues, which estimate allocations of excise tax payments to the Trust Fund.

Contact us if you have questions or need more information about the Trust Fund.