To amend the Airport Noise and Capacity Act of 1990 to exempt noise and access restrictions on aircraft operations to and from metropolitan airports from Federal review and approval requirements under that Act, and for other purposes.

Amends the Airport Noise and Capacity Act of 1990 to exempt metropolitan airports from the program for the review of airport noise and access restrictions.

Requires the application for a waiver of compliance with Stage 3 noise levels to contain assurances that operations of aircraft which do not so comply will not be concentrated at one or more airports.

Prohibits an airport noise or access restriction on the operation of Stage 2 or Stage 3 aircraft to or from an airport in effect on November 5, 1990, from being modified, superseded, or repealed to make such restriction less stringent.