Reference only — not for real-world navigation.
91LS
Duclos RLA Restricted Landing Area · Red Bud
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
520 ft / 158 m
Transition Altitude
18,000 ft
Primary Channel
—
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
09U/27U · 2,000 ft · TURF-GUNLITFlight Planning
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Welcome to the technical flight briefing for Duclos RLA Restricted Landing Area (91LS), located in Red Bud, 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 520 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
Duclos RLA Restricted Landing Area
ICAO / IATA
91LS / —
Municipality
Red Bud
Country
Region
US-IL — Illinois
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
520 ft
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 09U / 27U
UNLIT
Runway Length: 2,000 ft / 610 m
Runway Width: 70 ft / 21 m
Surface Type: TURF-G
Heading: —° / —°
Runway Width: 70 ft / 21 m
Surface Type: TURF-G
Heading: —° / —°
RWY 09U
No ILS / Visual Only
RWY 27U
No ILS / Visual Only
No frequency data available.
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026