Prairie State Generating Heliport
5IL4 · Marissa, Illinois · Washington County · map
Prairie State Generating Heliport is a private heliport owned by Prairie State Generating Company, 4 miles northeast of Marissa, Illinois, 449 feet above sea level. Its landing pad, H1, is 100 by 100 feet of concrete.
Private use: permission from the owner is required before landing here.
The airport
- Codes
- FAA 5IL4
- Kind
- Heliport · private use, permission required · privately owned
- Owner
- Prairie State Generating Company
- Elevation
- 449 feet above sea level
- Control tower
- No control tower
- On the chart
- St Louis sectional
- In the FAA's files since
- December 2013
Landing pad
For understanding the field, not for navigation.
| Pad | Length × width | Surface | Lights |
|---|---|---|---|
| H1 | 100 × 100 ft | Concrete, good |
Aircraft registered in Marissa from the FAA register
3 aircraft are registered to owners in Marissa, Illinois: 3 piston singles. Not every one of them is based at this heliport; the based-aircraft count above is the FAA's figure for this heliport alone.
Individuals are counted, never named. All aircraft registered in Illinois.
Accidents and incidents at or near this heliport NTSB records
No NTSB accident or incident records name this heliport.
Nearby within 30 nautical miles
Facts from the FAA's airport file effective October 1, 2026, written out in plain English; weather from the National Weather Service's aviation weather service; registered aircraft from the FAA register as of October 5, 2026; accidents from the NTSB's public database. Owners are shown only when they are an organisation; no person is named. Check the official sources before a flight: this page is for understanding an airport, not for planning one.