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The total federal and state Aeronautics Program is $989 million for FY 2024-2028. Federal revenue for Aeronautics is estimated on funding levels from previous years, as a new authorization act from the Federal Aviation Administration (FAA) is yet to be approved. Aeronautics state revenue comes from the State Aeronautics Fund (SAF), which comes from sales tax and excise tax on aviation fuel and the Airport Parking Tax.