The Airport and Airway Development Act of 1970 was a United States federal law passed during the 91st Congress, and signed into law by President Richard Nixon in conjunction with the Airport and Airway Revenue Act on May 21, 1970. The act was meant to fill funding gaps in the airport and airway system, which had become inadequate due to the rapid growth of aviation. The legislation was estimated to generate greater than $11 billion in funds,