Reference only — not for real-world navigation.
K5M5
Crystal Lake Airport · Decatur
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
1,180 ft / 360 m
Transition Altitude
18,000 ft
Primary Channel
A/D 121.00 MHz (RAZORBACK APP/DEP)
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
13/31 · 3,865 ft · AsphaltLIGHTEDFlight Planning
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Welcome to the technical flight briefing for Crystal Lake Airport (K5M5), located in Decatur, 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 1,180 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
Crystal Lake Airport
ICAO / IATA
K5M5 / —
Municipality
Decatur
Country
Region
US-AR — Arkansas
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
1,180 ft
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 13 / 31
LIGHTED
Runway Length: 3,865 ft / 1,178 m
Runway Width: 75 ft / 23 m
Surface Type: Asphalt
Heading: 134° / 314°
Runway Width: 75 ft / 23 m
Surface Type: Asphalt
Heading: 134° / 314°
RWY 13 (134°)
No ILS / Visual Only
RWY 31 (314°)
No ILS / Visual Only
A/D RAZORBACK APP/DEP
121.00 MHz
UNIC CTAF/UNICOM
122.80 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026