Reference only — not for real-world navigation.
K1A3
Martin Campbell Field · Copperhill
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
1,790 ft / 546 m
Transition Altitude
18,000 ft
Primary Channel
CTAF 122.90 MHz (CTAF)
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
02/20 · 3,500 ft · ASPH-GLIGHTEDFlight Planning
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Welcome to the technical flight briefing for Martin Campbell Field (K1A3), located in Copperhill, 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 1,790 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
Martin Campbell Field
ICAO / IATA
K1A3 / —
Municipality
Copperhill
Country
Region
US-TN — Tennessee
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
1,790 ft
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 02 / 20
LIGHTED
Runway Length: 3,500 ft / 1,067 m
Runway Width: 75 ft / 23 m
Surface Type: ASPH-G
Heading: 13° / 208°
Runway Width: 75 ft / 23 m
Surface Type: ASPH-G
Heading: 13° / 208°
RWY 02 (13°)
No ILS / Visual Only
RWY 20 (208°)
No ILS / Visual Only
CTAF CTAF
122.90 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026