Reference only — not for real-world navigation.
LL22
Brookeridge Air Park · Downers Grove
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
750 ft / 229 m
Transition Altitude
18,000 ft
Primary Channel
—
Live Conversion
inHg
hPa
Flight Planning
Quick Jump to Next Destination
Tip: Search your next airport to quickly compare ILS data.
Welcome to the technical flight briefing for Brookeridge Air Park (LL22), located in Downers Grove, United States. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 2 active runways with a maximum elevation of 750 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
Brookeridge Air Park
ICAO / IATA
LL22 / —
Municipality
Downers Grove
Country
Region
US-IL — Illinois
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
750 ft
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 09 / 27
UNLIT
Runway Length: 2,772 ft / 845 m
Runway Width: 150 ft / 46 m
Surface Type: Turf
Heading: —° / —°
Runway Width: 150 ft / 46 m
Surface Type: Turf
Heading: —° / —°
RWY 09
No ILS / Visual Only
RWY 27
No ILS / Visual Only
Runway 18 / 36
UNLIT
Runway Length: 1,940 ft / 591 m
Runway Width: 25 ft / 8 m
Surface Type: Turf
Heading: —° / —°
Runway Width: 25 ft / 8 m
Surface Type: Turf
Heading: —° / —°
RWY 18
No ILS / Visual Only
RWY 36
No ILS / Visual Only
No frequency data available.
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026