| 城市名称 | 机场三字代码 | 机场四字代码 | 机场名称 | 英文名称 |
| THREERIVERS | YRQ | THREERIVERS | ||
| STUARTISLAND | YRR | STUARTISLAND | ||
| REDSUCKERLAK | YRS | REDSUCKERLAKE | ||
| RANKININLET | YRT | RANKININLET | ||
| REVELSTOKE | YRV | REVELSTOKE | ||
| SABLEISLAND | YSA | SABLEISLAND | ||
| 萨德伯里 | YSB | SUDBURY | ||
| SHERBROOKE | YSC | SHERBROOKE | ||
| SUFFIELD | YSD | SUFFIELD | ||
| SWANRIVER | YSE | SWANRIVER | ||
| STONYRAPIDS | YSF | STONYRAPIDS | ||
| SNOWDRIFT | YSG | SNOWDRIFT | ||
| SMITHFALLS | YSH | SMITHFALLS | ||
| SANSSOUCI | YSI | SANSSOUCI | ||
| STJOHN | YSJ | STJOHN | ||
| SANIKILUAQ | YSK | SANIKILUAQ | ||
| SAINTLEONARD | YSL | SAINTLEONARD | ||
| 史密斯堡 | YSM | FORTSMITH | ||
| SALMONARM | YSN | SALMONARM | ||
| POSTVILLE | YSO | POSTVILLE | ||
| MARATHON | YSP | MARATHON | ||
| NANISIVIK | YSR | NANISIVIK | ||
| ST.THERESEPO | YST | ST.THERESEPOINT | ||
| SUMMERSIDE | YSU | SUMMERSIDE | ||
| SAGLEK | YSV | SAGLEK | ||
| SHEARWATER | YSX | SHEARWATER | ||
| SACHSHARBOUR | YSY | SACHSHARBOUR | ||
| SQUIRRELCOVE | YSZ | SQUIRRELCOVE | ||
| PEMBROKE | YTA | PEMBROKE | ||
| HARTLEYBAY | YTB | HARTLEYBAY | ||
| STURDEE | YTC | STURDEE | ||
| THICKETPORTA | YTD | THICKETPORTAGE | ||
| CAPEDORSET | YTE | CAPEDORSET | ||
| ALMA | YTF | ALMA | ||
| SULLIVANBAYS | YTG | SULLIVANBAYSPB | ||
| THOMPSON | YTH | THOMPSON | ||
| TERRACEBAY | YTJ | TERRACEBAY | ||
| TULUGAK | YTK | TULUGAK | ||
| BIGTROUTLAKE | YTL | BIGTROUTLAKE | ||
| RIVIEREAUTON | YTN | RIVIEREAUTONNERRE | ||
| TOFINOSPB | YTP | TOFINOSPB | ||
| TASIUJUAQ | YTQ | TASIUJUAQ | ||
| 特伦顿 | YTR | TRENTON | ||
| TIMMINS | YTS | TIMMINS | ||
| TISDALE | YTT | TISDALE | ||
| TELEGRAPHCRE | YTX | TELEGRAPHCREEK | ||
| 多伦多 | YTZ | TORONTO | ||
| TUKTOYAKTUK | YUB | TUKTOYAKTUK | ||
| UMIUJAQ | YUD | UMIUJAQ | ||
| 延杜穆 | YUE | YUENDUMU | ||
| PELLYBAYDEWL | YUF | PELLYBAYDEWLINE | ||
| CLINTONPOINT | YUH | CLINTONPOINT | ||
| CAPEYOUNG | YUI | CAPEYOUNG | ||
| LADYFRANKLIN | YUJ | LADYFRANKLIN | ||
| 拜伦湾 | YUK | BYRONBAY | ||
| 蒙特利尔 | YUL | MONTREAL | ||
| 尤马 | YUM | 尤马国际机场 | YUMA,AZ | |
| JOHNSONPOINT | YUN | JOHNSONPOINT | ||
| GLADMANPOINT | YUR | GLADMANPOINT | ||
| REPULSEBAY | YUT | REPULSEBAY |
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。