A bill to prohibit commercial flights by supersonic aircraft into or over the United States until certain findings are made by the Environmental Protection Agency and by the Secretary of Transportation.

Makes it unlawful to operate a supersonic aircraft, manufactured in the United States or in a foreign nation, for a commercial flight at supersonic speeds in the navigable airspace of the United States until: (1) the Congress, by law, approves findings by the Administrator of the Environmental Protection Agency that the operation of such supersonic aircraft in the navigable airspace of the United States will not have detrimental physiological and psychological effects on persons on the ground and will not have detrimental effects on the environment; and (2) the Secretary of Transportation shall have made affirmative findings, and submitted a written report thereon to the Congress, that the operation of supersonic aircraft in the navigable airspace of the United States meets all noise and safety standards prescribed by the Secretary with respect to the operation of aircraft capable of operating at supersonic speeds.