| 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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| HSH | KHND | Henderson Executive Airport | - | |
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| HTL | KHTL | Roscommon County - Blodgett Memorial Airport | Хоунтон | |
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| HUS | PAHU | Hughes Airport | Хьюс | |
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| HVS | KHVS | Hartsville Regional Airport | Хартсвилл | |
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| HWD | KHWD | Hayward Executive Airport | Хейвард | |
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| HWO | KHWO | North Perry Airport | Голливуд | |
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| HZL | KHZL | Hazleton Municipal Airport | Хазлтон | |
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| IDP | KIDP | Independence Municipal Airport | Индепенденс | |
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| IGG | PAIG | Igiugig Airport | Игьюджиг | |
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| IMM | KIMM | Immokalee Regional Airport | Иммокали | |
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| IMT | KIMT | Ford Airport | Айрон-Маунтин | |
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| INJ | KINJ | Hillsboro Municipal Airport | - | |
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| INS | KINS | Creech Air Force Base | Индиан Спрингс | |
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| IOW | KIOW | Iowa City Municipal Airport | Айова Сити | |
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