| Abbreviation | Definition |
|---|---|
| JSU | Mamiitsoq, Greenland |
| JSV | Sallisaw Municipal Airport, Sallisaw, Oklahoma USA |
| JSY | Syros Island, Greece |
| JSZ | St. Tropez, France |
| JTO | Thousand Oaks Heliport, Thousand Oaks, California USA |
| JTR | Santorini, Thira Island, Greece |
| JTY | Astypalaia Island, Greece |
| JUA | Juara, MT, Brazil |
| JUB | Juba, Sudan |
| JUI | Juist, Germany |
| JUJ | Jujuy, PJ, Argentina |
| JUL | Juliaca, Peru |
| JUM | Jumla, Nepal |
| JUO | Jurado, Colombia |
| JUR | Jurien Bay, Western Australia, Australia |
| JUT | Justicalpa, Honduras |
| JUV | Upernavik, Greenland |
| JUZ | Juzhou, Mainland China |
| JVA | Ankavandra, Madagascar |
| JVL | Janesville, Wisconsin USA |