Reference only — not for real-world navigation.
US-4867
Prairie State Generating Heliport · Marissa
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
449 ft / 137 m
Transition Altitude
18,000 ft
Primary Channel
—
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
H1/ · 100 ft · ConcreteUNLITFlight Planning
Quick Jump to Next Destination
Tip: Search your next airport to quickly compare ILS data.
Welcome to the technical flight briefing for Prairie State Generating Heliport (US-4867), located in Marissa, United States. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 1 active runway with a maximum elevation of 449 ft. Please note that this field primarily supports VFR and visual approach procedures.Reference the data below for primary communication channels and detailed runway characteristics. Pilots should observe a Transition Altitude of 18,000 ft verified for this field for altimeter reset procedures.
Full Name
Prairie State Generating Heliport
ICAO / IATA
US-4867 / —
Municipality
Marissa
Country
Region
US-IL — Illinois
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
449 ft
Pilot Toolbox
External charts, live tracking and weather reports.
Runway H1 /
UNLIT
Runway Length: 100 ft / 30 m
Runway Width: 100 ft / 30 m
Surface Type: Concrete
Heading: —° / —°
Runway Width: 100 ft / 30 m
Surface Type: Concrete
Heading: —° / —°
RWY H1
No ILS / Visual Only
RWY
No ILS / Visual Only
No frequency data available.
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026