The state is also home to six reliever and forty-three general aviation airports according to the National Plan of Integrated Airport Systems. Major commercial airports in Portland, Oregon and Vancouver, BC also serve many Washington travelers. Private charter companies provide important intercity trips for business, medical, shopping, social, and recreational purposes. Furthermore, emergency air ambulance is available for critical medical trips.
Public transportation offers limited services to some general aviation airports.
For more information about the state's aviation system, visit the Washington State Department of Transportation Aviation Division.