| HUL | KHUL | Houlton International Airport | Хоултон | |
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| HUT | KHUT | Hutchinson Municipal Airport | Хатчинсон | |
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| HVN | KHVN | Tweed New Haven Airport | Нью-Хейвен | |
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| HVR | KHVR | Havre City County Airport | Хавр | |
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| HYA | KHYA | Barnstable Municipal Boardman Polando Field | Гианнис | |
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| HYR | KHYR | Sawyer County Airport | Хейуърд | |
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| HYS | KHYS | Hays Regional Airport | Хейс | |
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| IAB | KIAB | Mc Connell Air Force Base | - | |
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| IAG | KIAG | Niagara Falls International Airport | Ниагара-Фолс | |
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| IAN | PAIK | Bob Baker Memorial Airport | Кайана | |
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| IDA | KIDA | Idaho Falls Regional Airport | Айдахо-Фоллс | |
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| IKK | KIKK | Greater Kankakee Airport | Канкаки | |
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| ILG | KILG | New Castle Airport | Уилмингтон | |
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| ILI | PAIL | Iliamna Airport | Иламна | |
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| ILM | KILM | Wilmington International Airport | Уилмингтон | |
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| ILN | KILN | Wilmington Airpark | Уилмингтон | |
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| INK | KINK | Winkler County Airport | Уинк | |
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| INL | KINL | Falls International Airport | Интернашенал-Фолс | |
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| INT | KINT | Smith Reynolds Airport | Уинстон-Сейлем | |
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| INW | KINW | Winslow Lindbergh Regional Airport | Уинслоу | |
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| IPL | KIPL | Imperial County Airport | Эль-Сентро | |
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| IPT | KIPT | Williamsport Regional Airport | Уильямспорт | |
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| IRK | KIRK | Kirksville Regional Airport | Кирксвилл | |
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| ISM | KISM | Kissimmee Gateway Airport | Киссимми | |
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| ISN | KISN | Sloulin Field International Airport | Уиллистон | |
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| ISO | KISO | Kinston Regional Jetport At Stallings Field | Кинстон | |
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| ISP | KISP | Long Island Mac Arthur Airport | Айлип | |
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| ITH | KITH | Ithaca Tompkins Regional Airport | Итака | |
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| ITO | PHTO | Hilo International Airport | Хило | |
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| JAC | KJAC | Jackson Hole Airport | Джексон | |
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| JBR | KJBR | Jonesboro Municipal Airport | Джонсборо | |
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| JCT | KJCT | Kimble County Airport | Джанкшен | |
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| JHM | PHJH | Kapalua Airport | Капалуа | |
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| JHW | KJHW | Chautauqua County-Jamestown Airport | Джеймстаун | |
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| JMS | KJMS | Jamestown Regional Airport | Джеймстаун | |
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| JNU | PAJN | Juneau International Airport | Джуно | |
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| JST | KJST | John Murtha Johnstown Cambria County Airport | Джонстаун | |
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| JXN | KJXN | Jackson County Reynolds Field | Джексон | |
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| KLS | KKLS | Southwest Washington Regional Airport | Келсо | |
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| KLW | PAKW | Klawock Airport | Клавок | |
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| KOA | PHKO | Kona International At Keahole Airport | Каилуа-Кона | |
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| KSM | PASM | St Mary's Airport | Сент-Мэрис | |
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| KTN | PAKT | Ketchikan International Airport | Кетчикан | |
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| KVL | PAVL | Kivalina Airport | Кивалина | |
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| LAF | KLAF | Purdue University Airport | Лафайет | |
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| LAL | KLAL | Lakeland Linder Regional Airport | Лейкленд | |
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| LAN | KLAN | Capital City Airport | Лансинг | |
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| LAR | KLAR | Laramie Regional Airport | Ларами | |
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| LAW | KLAW | Lawton Fort Sill Regional Airport | Лотон | |
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| LBE | KLBE | Arnold Palmer Regional Airport | Латроб | |
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