| 城市名称 | 机场三字代码 | 机场四字代码 | 机场名称 | 英文名称 |
| ISLESOFSCILL | ISC | ISLESOFSCILLYSTMARYS | ||
| ISCUANDE | ISD | ISCUANDE | ||
| 伊斯帕尔塔 | ISE | ISPARTA | ||
| ISHIGAKI | ISG | ISHIGAKI | ||
| 伊斯其兰岛 | ISH | ISCHIA | ||
| ISISFORD | ISI | ISISFORD | ||
| ISLAMUJERES | ISJ | ISLAMUJERES | ||
| NASIKGANDHIN | ISK | NASIKGANDHINAGR | ||
| ISABELPASS | ISL | ISABELPASS | ||
| KISSIMMEE | ISM | KISSIMMEE | ||
| WILLISTON | ISN | WILLISTON | ||
| KINSTONSTALL | ISO | KINSTONSTALLINGS | ||
| ISLIP | ISP | ISLIP | ||
| WISCASSET | ISS | WISCASSET | ||
| WISCONSINRAP | ISW | WISCONSINRAPIDSALEXA | ||
| ITACOATIARA | ITA | ITACOATIARA | ||
| ITAITUBA | ITB | ITAITUBA | ||
| ITUBERA | ITE | ITUBERA | ||
| ITHACA | ITH | ITHACA | ||
| ITAMBACURI | ITI | ITAMBACURI | ||
| ITOKAMA | ITK | ITOKAMA | ||
| 大阪 | ITM | OSAKA | ||
| ITABUNA | ITN | ITABUNA | ||
| HILO | ITO | HILO | ||
| ITAQUI | ITQ | ITAQUI | ||
| NIUEISLANDIN | IUE | NIUEISLANDINTL | ||
| ILU | IUL | ILU | ||
| SUMMITLAKE | IUM | SUMMITLAKE | ||
| INUS | IUS | INUS | ||
| AMBANJA | IVA | AMBANJA | ||
| 因弗卡吉尔 | IVC | INVERCARGILL | ||
| IVANGRADDOLA | IVG | IVANGRADDOLAC | ||
| IVISHAK | IVH | IVISHAK | ||
| IVALO | IVL | IVALO | ||
| CHIVOLO | IVO | CHIVOLO | ||
| 因弗雷尔 | IVR | INVERELL | ||
| INVERWAY | IVW | INVERWAY | ||
| 伊万诺沃 | IWA | IVANOVO | ||
| IRONWOODGOGE | IWD | IRONWOODGOGEBICCO | ||
| 休斯顿 | IWS | HOUSTON,TX | ||
| AGARTALASING | IXA | AGARTALASINGERBHIL | ||
| BAGDOGRA | IXB | BAGDOGRA | ||
| ALLAHABADBAM | IXD | ALLAHABADBAMRAULI | ||
| MANGALOREBAJ | IXE | MANGALOREBAJPE | ||
| BELGAUMSAMBR | IXG | BELGAUMSAMBRE | ||
| KAILASHAHAR | IXH | KAILASHAHAR | ||
| LILABARIAPRT | IXI | LILABARIAPRT | ||
| JAMMUSATWARI | IXJ | JAMMUSATWARI | ||
| KESHOD | IXK | KESHOD | ||
| LEH | IXL | LEH | ||
| MADURAI | IXM | MADURAI | ||
| KHOWAI | IXN | KHOWAI | ||
| PATHANKOT | IXP | PATHANKOT | ||
| KAMALPUR | IXQ | KAMALPUR | ||
| 兰契 | IXR | RANCHI | ||
| SILCHARKUMBI | IXS | SILCHARKUMBIRGRAM | ||
| PASSIGHAT | IXT | PASSIGHAT | ||
| AURANGABADCH | IXU | AURANGABADCHIKALTHAN | ||
| ALONG | IXV | ALONG | ||
| JAMSHEDPURSO | IXW | JAMSHEDPURSONARI |
机场三字代码简称“三字代码”,由国际航空运输协会(IATA ,International Air Transport Association)制定。国际航空运输协会(IATA)对世界上的国家、城市、机场、加入国际航空运输协会的航空公司制定了统一的编码。在空运中以三个英文字母简写航空机场名,称“机场三字代码”或“三字代码”。
世界上每一个民航机场都有自己唯一的三字码,部分空军机场也有三字码。机场三字代码查询支持国际机场三字代码查询,国内机场3字代码查询,全球机场三字代码查询,国内机场三字代码,始发机场三字代码,机场三字代码表,国际机场三字代码表查询。