 | Airports: United States: Seigfried Halfpap Airport | |
| Airport name: | Seigfried Halfpap Airport |
| Airport code (ICAO): | 87IS |
| Latitude: | 39.8862 |
| Longitude: | -91.3207 |
| Height above sea: | 550 ft / 167 m |
| Country: | United States - North America |
| Region: | Illinois |
| City: | Quincy |
| Airlines scheduled services: | no |