Ashlawn Private
CO23 · Longmont, CO · Non-towered · Print kneeboard · Open on the map
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Weather
METAR observed
TAF forecast
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Sun & FAA night2026-09-18 · night begins 07:32 PM
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:17 AM | 12:17Z |
| Sunrise | 06:44 AM | 12:44Z |
| Sunset | 07:05 PM | 01:05Z |
| Evening civil twilight Loggable night begins | 07:32 PM | 01:32Z |
Plan a flight from CO23
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: nearest reporting station
Advisories
NOTAMs · Loading NOTAMs…
Pilot reports · Loading PIREPs…
Airspace hazards · Checking SIGMETs and G-AIRMETs…
Temporary flight restrictions · Checking for TFRs…
Runways
RWY 27LEFT traffic
- Heading
- 270° mag · 280° true
- Dimensions
- 1,200 × 580 ft
- TPA
- 6,300 ft MSL (≈1,000 AGL) · standard
- Surface
- Turf
Enter the left downwind (heading 090°) on the 45° at 6,300 ft MSL (≈1,000 AGL).
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: schematic (headings + lengths)
| Runway | Length | Your margin |
|---|---|---|
| 09/27 | 1,200 ft |
Prefer one flat page? Full runway details for CO23 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the CO23 kneeboard →
Comms & NavAids
Nearby navigation aids
BJC 115.40 · DVV 114.70 · DEN 117.90 · +3
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| BJC · Jeffco | VOR/DME | 115.40 · 101X | High | r328° / 12.7 NM |
| DVV · Mile High | VORTAC | 114.70 · 94X | High | r287° / 31 NM |
| DEN · Denver | VOR/DME | 117.90 · 126X | High | r296° / 32 NM |
| BKF · Buckley | TACAN | 109.60 · 33X | — | r309° / 32.9 NM |
| FQF · Falcon | VORTAC | 116.30 · 110X | High | r301° / 38 NM |
| GLL · Gill | VOR/DME | 114.20 · 89X | High | r220° / 39.3 NM |
Charts & procedures
No published instrument procedures or Chart Supplement for CO23 — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- CO23
- Coordinates
- 40.1099, -105.2372
- Elevation
- 5,313 ft MSL
- Magnetic variation
- 10E
- Sectional chart
- CHEYENNE
- Airport use
- Private
- Control tower
- No
- ARTCC
- DENVER (ZDV)
- Flight service (FSS)
- DENVER · 1-800-WX-BRIEF
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 2012/10
- Distance from city
- 5 NE
Ownership & management 2 contacts
Remarks FAA · 1 notes
General
- FOR CD CTC DENVER APCH AT 303-342-1916.
Nearby airports
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Also nearby: 8CO7 Colorado Antique Field (private) (3 NM) · CO10 Lemons Private Strip (private) (7 NM) · 0CO1 Dave's (private) (7 NM) · 0CD7 Fox Hole (private) (10 NM)
About CO23
Ashlawn (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 is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at CO23?
Ashlawn has 1 runway; the longest is 1,200 ft. See the Runways section for headings, surface, and lighting.
Where is CO23?
Ashlawn is in Longmont, CO, at an elevation of 5,313 ft MSL. Coordinates: 40.1099, -105.2372.
More about CO23
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.
Something here wrong or out of date? Report a data problem.