- See also: List of airports by IATA and ICAO code
- ^1 WAS is common IATA code for Washington Dulles International Airport (IATA: IAD), Baltimore–Washington International Airport (IATA: BWI) and Ronald Reagan Washington National Airport (IATA: DCA).
- "IATA Airport Code Search". International Air Transport Association. Retrieved April 20, 2016.
- PDF). AIP En Route Supplement from Airservices Australia, effective 25 Mar 2021 (
- "Aerodromes and ALA (Aircraft Landing Area) Codes (AIP)" (PDF). Airservices Australia. 18 August 2016.
YSHR – SHUTE HARBOUR, QLD
- "United Nations Code for Trade and Transport Locations". UN/LOCODE 2011-2. UNECE. 28 February 2012. - includes IATA codes
- "ICAO Location Indicators by State" (PDF). International Civil Aviation Organization. 17 September 2010.
- Aviation Safety Network - IATA and ICAO airport codes
- Great Circle Mapper - IATA, ICAO and FAA airport codes