Airport and Airway Development Extension Act

[AI summary unavailable — showing source text] Airport and Airway Development Extension Act - Increases from $2,500,000,000 to $4,085,000,000 the obligational authority for airport assistance under the Airport and Airway Development Act during the period July 1, 1970 through June 30, 1980. Expands the definition of "airport development" to include: (1) the acquisition of land to mitigate adverse environmental effects from an airport development project; (2) nonrevenue producing public use areas of terminal buildings; and (3) buildings or parts of buildings directly related to the safety of persons at the airport. Directs the Secretary of Transportation to prepare and publish a national airport system plan which shall serve as the operational blueprint for airport development for at least ten years. States that the plan shall set forth the type and estimated cost of airport development considered necessary to provide an adequate system of public airports in this country. Requires air carrier airports and general aviation airports, as defined in this Act, to file with the Secretary master plans as a prerequisite to future inclusion in the national airport system plan. Increases from $75,000,000 to $153,750,000 the total amount of…