 | Heliports: United States: Mason District Hospital Heliport | |
| Heliport name: | Mason District Hospital Heliport |
| Airport code (ICAO): | 31IS |
| Latitude: | 40.3078 |
| Longitude: | -90.0546 |
| Height above sea: | 479 ft / 145 m |
| Country: | United States - North America |
| Region: | Illinois |
| City: | Havana |
| Airlines scheduled services: | no |