Harvard Private
CN23 · Yermo, CA · 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 07:15 PM
| Event | Local (PDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:06 AM | 13:06Z |
| Sunrise | 06:32 AM | 13:32Z |
| Sunset | 06:49 PM | 01:49Z |
| Evening civil twilight Loggable night begins | 07:15 PM | 02:15Z |
Plan a flight from CN23
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: nearest reporting station
Advisories
NOTAMs · Loading NOTAMs…
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Airspace hazards · Checking SIGMETs and G-AIRMETs…
Temporary flight restrictions · Checking for TFRs…
Runways
RWY 25LEFT traffic
- Heading
- 250° mag · 264° true
- Dimensions
- 2,640 × 100 ft
- TPA
- 2,800 ft MSL (≈1,000 AGL) · standard
- Surface
- Dirt
Enter the left downwind (heading 070°) on the 45° at 2,800 ft MSL (≈1,000 AGL).
More details — RWY 25
- Markings
- none
- Approach obstacle
- Trees, 25 ft from threshold — 2:1 slope to clear · penetrates the 20:1 visual approach surface
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: schematic (headings + lengths)
| Runway | Length | Your margin |
|---|---|---|
| 07/25 | 2,640 ft |
Prefer one flat page? Full runway details for CN23 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the CN23 kneeboard →
Comms & NavAids
Nearby navigation aids
DAG 113.20 · HEC 112.70
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| DAG · Daggett | VORTAC | 113.20 · 79X | Low | r254° / 4.8 NM |
| HEC · Hector | VORTAC | 112.70 · 74X | High | r298° / 14.4 NM |
Charts & procedures
No published instrument procedures or Chart Supplement for CN23 — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- CN23
- Coordinates
- 34.9616, -116.6753
- 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 · 1-800-WX-BRIEF
- Attendance
- SUNDAY 1000-1800
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1966/04
- Distance from city
- 8 E
Services fuel · repairs · oxygen · attendance
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- NONE
- Powerplant service
- NONE
Ownership & management 2 contacts
Remarks FAA · 1 notes
General
- FOR CD CTC LOS ANGELES ARTCC AT 661-575-2079.
Nearby airports
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Also nearby: 6CA8 Depue (private) (24 NM) · 00CA Goldstone /Gts/ (private) (26 NM) · 5CA4 Ludlow (private) (29 NM) · 27CA Holiday Ranch (private) (31 NM)
About CN23
Harvard (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 is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at CN23?
Harvard has 1 runway; the longest is 2,640 ft. See the Runways section for headings, surface, and lighting.
Where is CN23?
Harvard is in Yermo, CA, at an elevation of 1,825 ft MSL. Coordinates: 34.9616, -116.6753.
More about CN23
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.
Something here wrong or out of date? Report a data problem.