Airport information
- FAA LID
- CL23
- Coordinates
- 39.4596, -121.6960
- Elevation
- 109 ft MSL
- Magnetic variation
- 17E
- Sectional chart
- SAN FRANCISCO
- Airport use
- Private
- Control tower
- No
- ARTCC
- OAKLAND (ZOA)
- Flight service (FSS)
- RANCHO MURIETA
- Attendance
- ALL ALL
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1984/10
- Distance from city
- 3 NE
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 | 05:07 AM | 12:07Z |
| Sunrise | 05:40 AM | 12:40Z |
| Sunset | 08:37 PM | 03:37Z |
| Evening civil twilight Loggable night begins | 09:10 PM | 04:10Z |
Plan a flight from CL23
Night operations
- Airport lighting
- SEE RMK
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are in the live weather panel above.
Traffic pattern
- Landing
- Rwy 15
- Pattern
- left (turns left)
- TPA
- 1,100 ft MSL (≈1,000 AGL)
Enter the left downwind for Rwy 15 at 1,100 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 15/33
2,600 ft × 30 ft · Asphalt- Heading
- n/a
- Traffic pattern
- Left
- Heading
- 221° mag · 238° true
- Traffic pattern
- Left
| Runway | Length | Your margin |
|---|---|---|
| 15/33 | 2,600 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| CIC · Chico | VOR-DME | 109.80 | r145° / 21 NM |
| MYV · Marysville | VOR-DME | 110.80 | r329° / 22.4 NM |
| BAB · Beale | TACAN | 108.60 | r313° / 22.8 NM |
| MXW · Maxwell | VORTAC | 110.00 | r053° / 25.9 NM |
| ILA · Williams | VORTAC | 114.40 | r015° / 27.9 NM |
VFR sectional
No published instrument procedures or Chart Supplement for CL23. VFR sectional link above.
Ownership & management
Remarks FAA
- VFR, PRIVATE USE.
- FOR CD CTC NORCAL APCH AT 916-361-6874.
- FOR LIRL RWY 15/33 CALL 530-868-5798
- OR 530-868-5798
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 CL23 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 CL23
Jones/Ag-Viation Airport (CL23) is an airport in Biggs, CA, at 109 ft MSL. It has 1 runway, the longest 2,600 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for CL23, refreshed from the Aviation Weather Center and FAA NASR.
Does CL23 have a control tower?
No. Jones/Ag-Viation Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at CL23?
Jones/Ag-Viation Airport has 1 runway; the longest is 2,600 ft. See the Runways tab for headings, surface, and lighting.
Where is CL23?
Jones/Ag-Viation Airport is in Biggs, CA, at an elevation of 109 ft MSL. Coordinates: 39.4596, -121.6960.
Fly out of CL23 often?
Save CL23 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.