Reference only — not for real-world navigation.
KM40
Monroe County Airport · Aberdeen
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
226 ft / 69 m
Transition Altitude
18,000 ft
Primary Channel
AWOS 118.47 MHz (AWOS 3)
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
18/36 · 5,001 ft · AsphaltLIGHTEDFlight Planning
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Welcome to the technical flight briefing for Monroe County Airport (KM40), located in Aberdeen, 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 226 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
Monroe County Airport
ICAO / IATA
KM40 / —
Municipality
Aberdeen
Country
Region
US-MS — Mississippi
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
226 ft
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 18 / 36
LIGHTED
Runway Length: 5,001 ft / 1,524 m
Runway Width: 75 ft / 23 m
Surface Type: Asphalt
Heading: 186.2° / 6.2°
Runway Width: 75 ft / 23 m
Surface Type: Asphalt
Heading: 186.2° / 6.2°
RWY 18 (186.2°)
No ILS / Visual Only
RWY 36 (6.2°)
No ILS / Visual Only
A/D COLUMBUS APP/DEP
120.40 MHz
AWOS AWOS 3
118.47 MHz
UNIC CTAF/UNICOM
122.80 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026