Airport information
- FAA LID
- CO04
- Coordinates
- 40.0019, -104.4156
- Elevation
- 4,977 ft MSL
- Sectional chart
- DENVER
- Airport use
- Private
- Control tower
- No
- ARTCC
- DENVER (ZDV)
- Flight service (FSS)
- DENVER
- Segmented circle
- No
- Activated
- 2023/08
- Distance from city
- 8 SE
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-21
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:56 AM | 10:56Z |
| Sunrise | 05:29 AM | 11:29Z |
| Sunset | 08:30 PM | 02:30Z |
| Evening civil twilight Loggable night begins | 09:03 PM | 03:03Z |
Plan a flight from CO04
Traffic pattern
- Landing
- Rwy 17
- Pattern
- left (turns left)
- TPA
- 6,000 ft MSL (≈1,000 AGL)
Enter the left downwind for Rwy 17 at 6,000 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 17/35
863 ft · Gravel (Fair)- Heading
- n/a
- Traffic pattern
- Left
- Heading
- n/a
- Traffic pattern
- Left
Headings shown are true (magnetic variation unavailable).
| Runway | Length | Your margin |
|---|---|---|
| 17/35 | 863 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| DVV · Mile High | VORTAC | 114.70 | r045° / 11.6 NM |
| DEN · Denver | VOR-DME | 117.90 | r034° / 16 NM |
| FQF · Falcon | VORTAC | 116.30 | r016° / 21 NM |
| BKF · Buckley | TACAN | 109.60 | r029° / 23.5 NM |
| BVR · Byers | VOR-DME | 113.50 | r292° / 26.6 NM |
| GLL · Gill | VORTAC | 114.20 | r155° / 30.8 NM |
| BJC · Jeffco | VOR-DME | 115.40 | r070° / 33.7 NM |
VFR sectional
No published instrument procedures or Chart Supplement for CO04. VFR sectional link above.
Ownership & management
Nearby airports
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 CO04 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.
About CO04
Denning Airport (CO04) is an airport in Keenesburg, CO, at 4,977 ft MSL. It has 1 runway, the longest 863 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for CO04, refreshed from the Aviation Weather Center and FAA NASR.
Does CO04 have a control tower?
No. Denning Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at CO04?
Denning Airport has 1 runway; the longest is 863 ft. See the Runways tab for headings, surface, and lighting.
Where is CO04?
Denning Airport is in Keenesburg, CO, at an elevation of 4,977 ft MSL. Coordinates: 40.0019, -104.4156.
Fly out of CO04 often?
Save CO04 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.