Reference only — not for real-world navigation.
K0A4
Johnson City Airport · Johnson City
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
1,550 ft / 472 m
Transition Altitude
18,000 ft
Primary Channel
UNIC 122.80 MHz (CTAF/UNICOM)
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
04/22 · 3,000 ft · ASPH-PUNLITFlight Planning
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Welcome to the technical flight briefing for Johnson City Airport (K0A4), located in Johnson City, 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 1,550 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
Johnson City Airport
ICAO / IATA
K0A4 / —
Municipality
Johnson City
Country
Region
US-TN — Tennessee
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
1,550 ft
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 04 / 22
UNLIT
Runway Length: 3,000 ft / 914 m
Runway Width: 50 ft / 15 m
Surface Type: ASPH-P
Heading: 36.6° / 314°
Runway Width: 50 ft / 15 m
Surface Type: ASPH-P
Heading: 36.6° / 314°
RWY 04 (36.6°)
No ILS / Visual Only
RWY 22 (314°)
No ILS / Visual Only
UNIC CTAF/UNICOM
122.80 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026