Indianapolis International Airport is an international airport located seven miles (11 km) southwest of downtown Indianapolis in Marion County, Indiana, United States. It is owned and operated by the Indianapolis Airport Authority. The Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2017–2021 categorized it as a medium hub primary commercial service facility. The airport has flights to over 40 destinations in the United States, Canada and Mexico.

An IATA airport code, also known as an IATA location identifier, IATA station code, or simply a location identifier, is a three-letter geocode designating many airports and metropolitan areas around the world, defined by the International Air Transport Association (IATA). The characters prominently displayed on baggage tags attached at airport check-in desks are an example of a way these codes are used.