Kelgun Airport
4CO8 · Castle Rock, CO · Print kneeboard
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-04 · night begins 08:38 PM
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:32 AM | 11:32Z |
| Sunrise | 06:02 AM | 12:02Z |
| Sunset | 08:08 PM | 02:08Z |
| Evening civil twilight Loggable night begins | 08:38 PM | 02:38Z |
Plan a flight from 4CO8
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Advisories
NOTAMs
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Pilot reports
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Airspace hazards
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Runways
RWY 19LEFT traffic
- Heading
- 190° true
- Dimensions
- 1,400 × 50 ft
- TPA
- 7,800 ft MSL (≈1,000 AGL) · standard
- Surface
- TURF-G
Enter the left downwind (heading 010°) on the 45° at 7,800 ft MSL (≈1,000 AGL).
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: schematic (headings + lengths)
Headings shown are true (magnetic variation unavailable).
| Runway | Length | Your margin |
|---|---|---|
| 01/19 | 1,400 ft |
Prefer one flat page? Full runway details for 4CO8 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 4CO8 kneeboard →
Comms & NavAids
Nearby navigation aids
BRK 112.50 · BKF 109.60 · FQF 116.30 · +4
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| BRK · Black Forest | VOR/DME | 112.50 · 72X | High | r331° / 23.4 NM |
| BKF · Buckley | TACAN | 109.60 · 33X | — | r179° / 24.2 NM |
| FQF · Falcon | VORTAC | 116.30 · 110X | High | r191° / 24.7 NM |
| DEN · Denver | VOR/DME | 117.90 · 126X | High | r185° / 31.2 NM |
| DVV · Mile High | VORTAC | 114.70 · 94X | High | r186° / 36.4 NM |
| FCS · Butts | VOR/DME | 108.80 · 25X | Terminal | r344° / 37.7 NM |
| BJC · Jeffco | VOR/DME | 115.40 · 101X | High | r147° / 39.3 NM |
Charts & procedures
No published instrument procedures or Chart Supplement for 4CO8 — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- 4CO8
- Coordinates
- 39.3069, -104.8160
- Elevation
- 6,800 ft MSL
Detailed FAA facility data isn't available for this airport.
No published services or facility detail for 4CO8.
Nearby airports
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Also nearby: CO99 Triple P Ranch Airport (private) (3 NM) · CO93 Perry Park Airport (private) (5 NM) · CO96 Reed Hollow Ranch Airport (private) (5 NM) · 4CO7 Ambrosich Field (private) (8 NM) · 8CD4 Basin Field (private) (9 NM) · CO15 Kelly Air Park (private) (10 NM)
About 4CO8
Kelgun Airport (4CO8) is an airport in Castle Rock, CO, at 6,800 ft MSL. It has 1 runway, the longest 1,400 ft. This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 4CO8, refreshed from the Aviation Weather Center and FAA NASR.
What is the longest runway at 4CO8?
Kelgun Airport has 1 runway; the longest is 1,400 ft. See the Runways section for headings, surface, and lighting.
Where is 4CO8?
Kelgun Airport is in Castle Rock, CO, at an elevation of 6,800 ft MSL. Coordinates: 39.3069, -104.8160.
Fly out of 4CO8 often?
Save 4CO8 as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.
Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open 4CO8 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.