Reference only — not for real-world navigation.
OG50
Cottonwood Creek Ranch Airport · Harper
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
2,555 ft / 779 m
Transition Altitude
18,000 ft
Primary Channel
—
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
16/34 · 2,050 ft · DIRTUNLITFlight Planning
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Welcome to the technical flight briefing for Cottonwood Creek Ranch Airport (OG50), located in Harper, 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 2,555 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
Cottonwood Creek Ranch Airport
ICAO / IATA
OG50 / —
Municipality
Harper
Country
Region
US-OR — Oregon
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
2,555 ft
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 16 / 34
UNLIT
Runway Length: 2,050 ft / 625 m
Runway Width: 60 ft / 18 m
Surface Type: DIRT
Heading: —° / —°
Runway Width: 60 ft / 18 m
Surface Type: DIRT
Heading: —° / —°
RWY 16
No ILS / Visual Only
RWY 34
No ILS / Visual Only
No frequency data available.
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026