Reference only — not for real-world navigation.
KMAO
Marion County Airport · Mullins
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
92 ft / 28 m
Transition Altitude
18,000 ft
Primary Channel
UNIC 122.80 MHz (CTAF/UNICOM)
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
04/22 · 4,503 ft · AsphaltLIGHTEDFlight Planning
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Welcome to the technical flight briefing for Marion County Airport (KMAO), located in Mullins, 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 92 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
Marion County Airport
ICAO / IATA
KMAO / —
Municipality
Mullins
Country
Region
US-SC — South Carolina
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
92 ft
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 04 / 22
LIGHTED
Runway Length: 4,503 ft / 1,373 m
Runway Width: 100 ft / 30 m
Surface Type: Asphalt
Heading: 34.6° / 214.6°
Runway Width: 100 ft / 30 m
Surface Type: Asphalt
Heading: 34.6° / 214.6°
RWY 04 (34.6°)
No ILS / Visual Only
RWY 22 (214.6°)
No ILS / Visual Only
A/D FLORENCE APP/DEP
135.25 MHz
UNIC CTAF/UNICOM
122.80 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026