Airport information
- FAA LID
- C83
- Coordinates
- 37.8265, -121.6217
- Elevation
- 79 ft MSL
- Magnetic variation
- 15E
- Sectional chart
- SAN FRANCISCO
- Airport use
- Public
- Control tower
- No
- ARTCC
- OAKLAND (ZOA)
- Flight service (FSS)
- OAKLAND
- NOTAM facility
- OAK
- Attendance
- ALL 0700-1400
- Beacon
- white-green (SS-SR)
- Segmented circle
- Yes
- Activated
- 1994/11
- Distance from city
- 2 S
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 | 05:13 AM | 12:13Z |
| Sunrise | 05:45 AM | 12:45Z |
| Sunset | 08:32 PM | 03:32Z |
| Evening civil twilight Loggable night begins | 09:03 PM | 04:03Z |
Plan a flight from C83
Night operations
- Airport lighting
- SEE RMK
- Rotating beacon
- white-green · SS-SR
- Pilot-controlled lighting
- PCL AVBL SS-SR. ACTVT REIL RWY 30; MIRL RWY 12/30 & 05/23 - CTAF. on 123.05 — Chart Supplement ↗
Runway lighting aids — 23: 2-light PAPI (left) · 30: 2-light PAPI (left).
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are in the live weather panel above.
Traffic pattern
- Landing
- Rwy 05 · 048°
- Pattern
- right (turns right)
- TPA
- 1,100 ft MSL (≈1,000 AGL)
- CTAF
- 123.05
Enter the right downwind for Rwy 05 at 1,100 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 05/23
3,000 ft × 75 ft · Asphalt (Good)- Heading
- 048° mag · 63° true
- Markings
- basic
- Traffic pattern
- Right
- Heading
- 228° mag · 243° true
- Markings
- basic
- VGSI
- 2-light PAPI (left) (3.5°)
- Traffic pattern
- Left
Runway 12/30
4,500 ft × 100 ft · Asphalt (Good)- Heading
- 120° mag · 135° true
- Markings
- nonprecision
- Traffic pattern
- Left
- Approach obstacle
- Pole, 61 ft, 1,591 ft from threshold, 261 ft R of centerline — 22:1 slope to clear
- Heading
- 300° mag · 315° true
- Markings
- nonprecision
- VGSI
- 2-light PAPI (left) (3.5°)
- Traffic pattern
- Right
- Approach obstacle
- Hill, 65 ft, 3,218 ft from threshold, 729 ft L of centerline — 46:1 slope to clear
| Runway | Length | Your margin |
|---|---|---|
| 05/23 | 3,000 ft | |
| 12/30 | 4,500 ft |
Communication frequencies
| Service | Frequency | Notes |
|---|---|---|
| A/D | 123.85 | NORCAL APP/DEP |
| AWOS | 123.775 | AWOS 3 |
| UNIC | 123.05 | CTAF/UNICOM |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| ECA · Manteca | VORTAC | 116.00 | r252° / 21.4 NM |
| CCR · Concord | VOR-DME | 117.00 | r106° / 24 NM |
| OAK · Oakland | VORTAC | 116.80 | r061° / 29.2 NM |
| SUU · Travis | TACAN | 116.60 | r132° / 29.4 NM |
| SJC · San Jose | VOR-DME | 114.10 | r013° / 31.2 NM |
| NUQ · Moffett | TACAN | 117.60 | r024° / 31.5 NM |
| TZZ · Travis | VOR | 116.40 | r147° / 32.3 NM |
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Fuel available
- 100LL
- Parking
- tiedowns
- Other services
- Glider, Parachute ops, Towing
Ownership & management
Remarks FAA
- THIS AIRPORT HAS BEEN SURVEYED BY THE NATIONAL GEODETIC SURVEY.
- ULTRALIGHT & SAILPLANE ACTIVITY ON & INVOF ARPT.
- RISING TERRAIN WITH NUMEROUS WINDMILLS ON RIDGES WEST OF ARPT.
- HANGAR APRON & TIEDOWN APRON 12500 LBS MAX.
- RY 30 CALM WIND RY.
- 200' TOWER 5600 FEET FROM RUNWAY 05.
- 100' TOWER 5100 FEET FROM RUNWAY 23.
- POWER PLANT 2.7 MILES SE OF AIRPORT PRODUCING THERMAL PLUMES; AVOID OVERLFIGHT BELOW 1,500 FT AGL.
- FOR CD CTC NORCAL APCH AT 916-361-0516.
- FREQ UAS DRONE ACT 7.8 NM DIAM ARND FLD UP TO 8000 FT.
- PRCHT ACT AT NW END OF ARPT.
- PCL AVBL SS-SR. ACTVT REIL RWY 30; MIRL RWY 12/30 & 05/23 - CTAF.
- DIRECTOR OF ARPTS CONTRA COSTA COUNTY.
- FUEL AVBL 24 HRS BY CREDIT CARD.
- WIND TURBINES
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 C83 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 C83
Byron Airport (C83) is an airport in Byron, CA, at 79 ft MSL. It has 2 runways, the longest 4,500 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for C83, refreshed from the Aviation Weather Center and FAA NASR.
Does C83 have a control tower?
No. Byron Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at C83?
Byron Airport has 2 runways; the longest is 4,500 ft. See the Runways tab for headings, surface, and lighting.
Where is C83?
Byron Airport is in Byron, CA, at an elevation of 79 ft MSL. Coordinates: 37.8265, -121.6217.
Fly out of C83 often?
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