Airport information
- FAA LID
- CN23
- Coordinates
- 34.9617, -116.6750
- Elevation
- 1,825 ft MSL
- Magnetic variation
- 14E
- Sectional chart
- LOS ANGELES
- Airport use
- Private
- Control tower
- No
- ARTCC
- LOS ANGELES (ZLA)
- Flight service (FSS)
- RIVERSIDE
- Attendance
- SUNDAY 1000-1800
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1966/04
- Distance from city
- 8 E
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-21
| Event | Local (PDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:03 AM | 12:03Z |
| Sunrise | 05:33 AM | 12:33Z |
| Sunset | 08:04 PM | 03:04Z |
| Evening civil twilight Loggable night begins | 08:33 PM | 03:33Z |
Plan a flight from CN23
Traffic pattern
- Landing
- Rwy 07
- Pattern
- left (turns left)
- TPA
- 2,800 ft MSL (≈1,000 AGL)
Enter the left downwind for Rwy 07 at 2,800 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 07/25
2,640 ft × 100 ft · Dirt- Heading
- n/a
- Markings
- none
- Traffic pattern
- Left
- Heading
- n/a
- Markings
- none
- Traffic pattern
- Left
- Approach obstacle
- Trees, 25 ft from threshold — 2:1 slope to clear · penetrates the 20:1 visual approach surface
| Runway | Length | Your margin |
|---|---|---|
| 07/25 | 2,640 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| DAG · Daggett | VORTAC | 113.20 | r254° / 4.8 NM |
| HEC · Hector | VORTAC | 112.70 | r299° / 14.4 NM |
VFR sectional
No published instrument procedures or Chart Supplement for CN23. VFR sectional link above.
Services
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- NONE
- Powerplant service
- NONE
Ownership & management
Remarks FAA
- FOR CD CTC LOS ANGELES ARTCC AT 661-575-2079.
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 CN23 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 CN23
Harvard Airport (CN23) is an airport in Yermo, CA, at 1,825 ft MSL. It has 1 runway, the longest 2,640 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for CN23, refreshed from the Aviation Weather Center and FAA NASR.
Does CN23 have a control tower?
No. Harvard Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at CN23?
Harvard Airport has 1 runway; the longest is 2,640 ft. See the Runways tab for headings, surface, and lighting.
Where is CN23?
Harvard Airport is in Yermo, CA, at an elevation of 1,825 ft MSL. Coordinates: 34.9617, -116.6750.
Fly out of CN23 often?
Save CN23 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.