• § 44501. Plans and policy

• § 44502. General facilities and personnel authority

• § 44503. Reducing nonessential expenditures

• § 44504. Improved aircraft, aircraft engines, propellers, and appliances

• § 44505. Systems, procedures, facilities, services, and devices

• § 44506. Air traffic controllers

• § 44507. Regions and centers

• § 44508. Research advisory committee

• § 44509. Demonstration projects

• § 44510. Repealed.

• § 44511. Aviation research grants

• § 44512. Catastrophic failure prevention research grants

• § 44513. Regional centers of air transportation excellence

• § 44514. Repealed.

• § 44515. Repealed.

• § 44516. Human factors program

• § 44517. Program to permit cost sharing of air traffic modernization projects

• § 44518. Advanced Materials Center of Excellence

• § 44519. Certification personnel continuing education and training

• § 44520. Center of Excellence for Alternative Jet Fuels and Environment