Reference only — not for real-world navigation.
KMTO
Coles County Memorial Airport · Mattoon
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS FREQUENCIES VERIFIED ✅
Field Elevation
722 ft / 220 m
Transition Altitude
18,000 ft
Primary Channel
ASOS 109.40 MHz (ASOS)
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
11/29 · 6,501 ft · ConcreteLIGHTED06/24 · 5,799 ft · AsphaltLIGHTED18/36 · 1,080 ft · GrassUNLITFlight Planning
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Welcome to the technical flight briefing for Coles County Memorial Airport (KMTO), located in Mattoon, United States. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 3 active runways with a maximum elevation of 722 ft. Instrument approaches (IFR) are supported with verified ILS frequencies and identifiers for precision landings.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
Coles County Memorial Airport
ICAO / IATA
KMTO / MTO
Municipality
Mattoon
Country
Region
US-IL — Illinois
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
722 ft
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 11 / 29
ILS EQUIPPEDLIGHTED
Runway Length: 6,501 ft / 1,982 m
Runway Width: 150 ft / 46 m
Surface Type: Concrete
Heading: 113° / 293°
Runway Width: 150 ft / 46 m
Surface Type: Concrete
Heading: 113° / 293°
RWY 11 (113°)
No ILS / Visual Only
RWY 29 (293°)
111.10 MHz
IDENT: MTO | CRS: 296°
Runway 06 / 24
LIGHTED
Runway Length: 5,799 ft / 1,768 m
Runway Width: 100 ft / 30 m
Surface Type: Asphalt
Heading: 60.1° / 240.1°
Runway Width: 100 ft / 30 m
Surface Type: Asphalt
Heading: 60.1° / 240.1°
RWY 06 (60.1°)
No ILS / Visual Only
RWY 24 (240.1°)
No ILS / Visual Only
Runway 18 / 36
UNLIT
Runway Length: 1,080 ft / 329 m
Runway Width: 250 ft / 76 m
Surface Type: Grass
Heading: 175.6° / 355.6°
Runway Width: 250 ft / 76 m
Surface Type: Grass
Heading: 175.6° / 355.6°
RWY 18 (175.6°)
No ILS / Visual Only
RWY 36 (355.6°)
No ILS / Visual Only
A/D CHAMPAIGN APP/DEP
132.85 MHz
ASOS ASOS
109.40 MHz
RDO ST LOUIS RDO
109.40 MHz
UNIC CTAF/UNICOM
122.70 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: FAA NASR · Cycle: Jan 2026