Airport information
- FAA LID
- CO23
- Coordinates
- 40.1106, -105.2352
- Elevation
- 5,313 ft MSL
- Magnetic variation
- 10E
- Sectional chart
- CHEYENNE
- Airport use
- Private
- Control tower
- No
- ARTCC
- DENVER (ZDV)
- Flight service (FSS)
- DENVER
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 2012/10
- Distance from city
- 5 NE
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 | 04:59 AM | 10:59Z |
| Sunrise | 05:32 AM | 11:32Z |
| Sunset | 08:34 PM | 02:34Z |
| Evening civil twilight Loggable night begins | 09:07 PM | 03:07Z |
Plan a flight from CO23
Traffic pattern
- Landing
- Rwy 9
- Pattern
- left (turns left)
- TPA
- 6,300 ft MSL (≈1,000 AGL)
Enter the left downwind for Rwy 9 at 6,300 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 9/27
1,200 ft · Turf- Heading
- n/a
- Heading
- n/a
| Runway | Length | Your margin |
|---|---|---|
| 9/27 | 1,200 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| BJC · Jeffco | VOR-DME | 115.40 | r329° / 12.7 NM |
| DVV · Mile High | VORTAC | 114.70 | r284° / 31 NM |
| DEN · Denver | VOR-DME | 117.90 | r293° / 31.9 NM |
| BKF · Buckley | TACAN | 109.60 | r306° / 32.9 NM |
| FQF · Falcon | VORTAC | 116.30 | r301° / 37.9 NM |
| GLL · Gill | VORTAC | 114.20 | r220° / 39.2 NM |
VFR sectional
No published instrument procedures or Chart Supplement for CO23. VFR sectional link above.
Ownership & management
Remarks FAA
- FOR CD CTC DENVER APCH AT 303-342-1916.
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 CO23 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 CO23
Ashlawn Airport (CO23) is an airport in Longmont, CO, at 5,313 ft MSL. It has 1 runway, the longest 1,200 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for CO23, refreshed from the Aviation Weather Center and FAA NASR.
Does CO23 have a control tower?
No. Ashlawn Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at CO23?
Ashlawn Airport has 1 runway; the longest is 1,200 ft. See the Runways tab for headings, surface, and lighting.
Where is CO23?
Ashlawn Airport is in Longmont, CO, at an elevation of 5,313 ft MSL. Coordinates: 40.1106, -105.2352.
Fly out of CO23 often?
Save CO23 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.