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| IATA | Airport | City | Country | ICAO |
| IAB | McConnell AFB Airport | Wichita | United States | KIAB |
| IAD | Washington Dulles International Airport | Washington | United States | KIAD |
| IAG | Niagara Falls International Airport | Niagara Falls | United States | KIAG |
| IAH | George Bush Intercontinental Airport | Houston | United States | KIAH |
| IAL | Ialibu Airport | Ialibu | Papua New Guinea | AYIU |
| IAM | In Aménas Airport | Aménas | Algeria | DAUZ |
| IAN | Bob Baker Memorial Airport | Kiana | United States | PAIK |
| IAO | Siargao Airport | Del Carmen | Philippines | RPNS |
| IAQ | Bahregan Airport | Bahregan | Iran | |
| IAR | Yaroslavl Airport | Tunoshna | Russia | UUDL |
| IAS | Iași International Airport | Iaşi | Romania | LRIA |
| IAU | Iaura Airport | Iaura | Papua New Guinea |
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