Reference only — not for real-world navigation.
US-8139
Ponderosa Airport · Clarkston
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
4,900 ft / 1,494 m
Transition Altitude
18,000 ft
Primary Channel
—
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
11/29 · 1,033 ft · TurfUNLITFlight Planning
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Welcome to the technical flight briefing for Ponderosa Airport (US-8139), located in Clarkston, 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 4,900 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
Ponderosa Airport
ICAO / IATA
US-8139 / —
Municipality
Clarkston
Country
Region
US-MT — Montana
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
4,900 ft
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 11 / 29
UNLIT
Runway Length: 1,033 ft / 315 m
Runway Width: 50 ft / 15 m
Surface Type: Turf
Heading: —° / —°
Runway Width: 50 ft / 15 m
Surface Type: Turf
Heading: —° / —°
RWY 11
No ILS / Visual Only
RWY 29
No ILS / Visual Only
No frequency data available.
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026