A bill to amend the Airport and Airway Improvement Act of 1982 for the purpose of extending the authorization of appropriations for airway improvements, and for other purposes.

Amends the Airport and Airway Improvement Act of 1982 to authorize appropriations for FY 1991 and 1992 for air navigation facilities. Authorizes appropriations for FY 1991 and 1992 for: (1) specified research, engineering and development, and demonstration projects; and (2) research and development on preserving and enhancing airport capacity (including improvements to airport design standards, airport maintenance, airport operations and airport environmental concerns). Provides for reimbursement during such fiscal years of the National Oceanic and Atmospheric Administration for providing the Federal Aviation Administration with weather reporting services.