Reference only — not for real-world navigation.
KAPT
Marion County Airport - Brown Field · Jasper
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
641 ft / 195 m
Transition Altitude
18,000 ft
Primary Channel
A/D 119.20 MHz (CHATTANOOGA APP/DEP)
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
04/22 · 3,500 ft · AsphaltLIGHTEDFlight Planning
Quick Jump to Next Destination
Tip: Search your next airport to quickly compare ILS data.
Welcome to the technical flight briefing for Marion County Airport - Brown Field (KAPT), located in Jasper, 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 641 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 - Brown Field
ICAO / IATA
KAPT / APT
Municipality
Jasper
Country
Region
US-TN — Tennessee
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
641 ft
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 04 / 22
LIGHTED
Runway Length: 3,500 ft / 1,067 m
Runway Width: 75 ft / 23 m
Surface Type: Asphalt
Heading: 38° / 218°
Runway Width: 75 ft / 23 m
Surface Type: Asphalt
Heading: 38° / 218°
RWY 04 (38°)
No ILS / Visual Only
RWY 22 (218°)
No ILS / Visual Only
A/D CHATTANOOGA APP/DEP
119.20 MHz
UNIC CTAF/UNICOM
122.80 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026