About: Intrastate airline

Intrastate airlines in the U.S. are defined as air carriers operating inside of one individual state and thus not flying across state lines. Larger intrastate airlines in the U.S. that operated mainline turboprop and/or jet aircraft were created as a result of former federal airline regulations, as passenger air carriers that only flew intrastate service were not regulated by the federal government but were instead primarily regulated by the respective state governments in their home states. For example, Pacific Southwest Airlines (PSA) and Air California were both regulated by the California Public Utilities Commission (CPUC) prior to the federal Airline Deregulation Act of 1978. Although intrastate airlines in some states used only turboprop aircraft, scheduled passenger service on jet a