Glen-Aspen Airport Private
4CO0 · Carbondale, CO · 6,835 ft elevation · var 12E · Non-towered
Airport information
- FAA LID
- 4CO0
- Coordinates
- 39.3896, -107.1637
- Elevation
- 6,835 ft MSL
- Magnetic variation
- 12E
- Sectional chart
- DENVER
- Airport use
- Private
- Control tower
- No
- ARTCC
- DENVER (ZDV)
- Flight service (FSS)
- DENVER
- Attendance
- UNATNDD
- Segmented circle
- No
- Activated
- 1971/09
- Distance from city
- 3 E
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 | 05:09 AM | 11:09Z |
| Sunrise | 05:42 AM | 11:42Z |
| Sunset | 08:39 PM | 02:39Z |
| Evening civil twilight Loggable night begins | 09:11 PM | 03:11Z |
Plan a flight from 4CO0
Traffic pattern
- Landing
- Rwy 04
- Pattern
- left (turns left)
- TPA
- 7,800 ft MSL (≈1,000 AGL)
Enter the left downwind for Rwy 04 at 7,800 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 04/22
3,165 ft × 100 ft · TURF-DIRT- Heading
- n/a
- Markings
- nonstandard
- Traffic pattern
- Left
- Approach obstacle
- Trees, 0 ft from threshold
- Heading
- n/a
- Markings
- nonstandard
- Traffic pattern
- Right
- Approach obstacle
- Hill, 300 ft from threshold — 20:1 slope to clear
| Runway | Length | Your margin |
|---|---|---|
| 04/22 | 3,165 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| DBL · Red Table | VOR-DME | 113.00 | r245° / 12.8 NM |
| SXW · Snow | VOR-DME | 109.20 | r197° / 16.5 NM |
| RDY · Sardy | TACAN | 114.30 | r294° / 17.7 NM |
| RIL · Rifle | VOR-DME | 110.60 | r096° / 26.9 NM |
VFR sectional
No published instrument procedures or Chart Supplement for 4CO0. VFR sectional link above.
Services
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- NONE
- Powerplant service
- NONE
Ownership & management
Remarks FAA
- ALL TFC PATTERNS N OF ARPT.
- ROAD DOWN RWY CNTR; 6 INCH ROCKS ON RWY 04 THR.
- FOR CD CTC ASPEN APCH AT 970-925-6898, WHEN APCH CLSD CTC DENVER ARTCC AT 303-651-4257.
- THRS MARKD BY METAL FENCE POSTS WITH BOARDS AT EACH SIDE & END.
- +20' TREES ON RWY CNTRLN EXTNDD.
- +15' HILL ON RWY CNTRLN EXTNDD.
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 4CO0 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 4CO0
Glen-Aspen Airport (4CO0) is an airport in Carbondale, CO, at 6,835 ft MSL. It has 1 runway, the longest 3,165 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 4CO0, refreshed from the Aviation Weather Center and FAA NASR.
Does 4CO0 have a control tower?
No. Glen-Aspen Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at 4CO0?
Glen-Aspen Airport has 1 runway; the longest is 3,165 ft. See the Runways tab for headings, surface, and lighting.
Where is 4CO0?
Glen-Aspen Airport is in Carbondale, CO, at an elevation of 6,835 ft MSL. Coordinates: 39.3896, -107.1637.
Fly out of 4CO0 often?
Save 4CO0 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.