Geneseo, Illinois
3G8 Gen-Airpark
Gen-Airpark (3G8) is a non-towered, public-use airport in Geneseo, Illinois, at 645 ft MSL. Its runway is 09/27 (2,568 by 120 ft, turf). CTAF 122.9.
FAA NASR data effective Oct 29, 2026. Not for navigation; verify with current FAA charts and the Chart Supplement.
Airport
At a glance
- Identifiers
- FAA 3G8
- Location
- Geneseo, Illinois (Henry County). 2 NM SE of the city center
- Elevation
- 645 ft MSL
- Position
- 41.4398° N, 90.1101° W
- Control tower
- No, non-towered
- Sectional chart
- Chicago
- Magnetic variation
- 1° E (1985)
- Ownership
- Privately owned, open to the public
- Attendance
- Daily Irregular
1 runway
Runways
| Runway | Length × width | Surface | Edge lights |
|---|---|---|---|
| 09/27 | 2,568 × 120 ft | Turf, good condition | Non-standard |
Runway ends and traffic pattern
| End | Pattern | Glide slope lights | Instrument | Displaced threshold | Landing distance |
|---|---|---|---|---|---|
| 09 | Not stated | None listed | None listed | 193 ft | Not listed |
| 27 | Not stated | None listed | None listed | 285 ft | Not listed |
VHF
Frequencies
- CTAF
- 122.9
Before you go
Brief 3G8 in Ascent EFB.
Current weather, NOTAMs and the airport diagram for Gen-Airpark, in the app on iPhone and iPad.
Not for navigation. Verify with current FAA charts and the Chart Supplement before flight.
Source: FAA NASR 28-day subscription, cycle effective Oct 29, 2026. Airport data changes every 28 days and NOTAMs can override it at any time.