 | Airports: Japan: Shonai Airport | |
| Airport name: | Shonai Airport |
| Airport code (ICAO): | RJSY |
| Airport code (IATA): | SYO |
| Latitude: | 38.8122 |
| Longitude: | 139.7870 |
| Height above sea: | 86 ft / 26 m |
| Country: | Japan - Asia |
| Region: | Yamagata |
| City: | Shonai |
| Airlines scheduled services: | yes |