Reference only — not for real-world navigation.
4CO8
Kelgun Airport · Castle Rock
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
6,800 ft / 2,073 m
Transition Altitude
18,000 ft
Primary Channel
—
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
01/19 · 1,400 ft · TURF-GUNLITFlight Planning
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Welcome to the technical flight briefing for Kelgun Airport (4CO8), located in Castle Rock, 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 6,800 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
Kelgun Airport
ICAO / IATA
4CO8 / —
Municipality
Castle Rock
Country
Region
US-CO — Colorado
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
6,800 ft
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 01 / 19
UNLIT
Runway Length: 1,400 ft / 427 m
Runway Width: 50 ft / 15 m
Surface Type: TURF-G
Heading: —° / —°
Runway Width: 50 ft / 15 m
Surface Type: TURF-G
Heading: —° / —°
RWY 01
No ILS / Visual Only
RWY 19
No ILS / Visual Only
No frequency data available.
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026