| FAA Information Effective: | 2013-12-12 |
| Airport Identifier: | C83 |
| Airport Status: | Operational |
| Longitude/Latitude: | 121-37-33.0000W/37-49-42.4000N -121.625833/37.828444 (Estimated) |
| Elevation: | 79 ft / 24.08 m (Surveyed) |
| Land: | 1421 acres |
| From nearest city: | 2 nautical miles S of Byron, CA |
| Location: | Contra Costa County, CA |
| Magnetic Variation: | 15E (1995) |
| Ownership: | Publicly owned |
| Owner: | Contra Costa County |
| Address: | 550 Sally Ride Dr Concord, CA 94520 |
| Phone number: | 925-646-5722 |
| Manager: | Keith Freitas MANAGER OF ARPTS CONTRA COSTA COUNTY. |
| Address: | 550 Sally Ride Dr Concord, CA 94250 |
| Phone number: | 925-646-5722 |
| Airport Use: | Open to public |
| Segmented Circle: | Yes |
| Control Tower: | No |
| Beacon Color: | Clear-Green (lighted land airport) |
| Sectional chart: | San Francisco |
| Region: | AWP - Western-Pacific |
| Boundary ARTCC: | ZOA - Oakland |
| Tie-in FSS: | OAK - Oakland |
| FSS on Airport: | No |
| FSS Toll Free: | 1-800-WX-BRIEF |
| NOTAMs Facility: | OAK (NOTAM-d service avaliable) |
| Federal Agreements: | NGY |
| CTAF: | 123.050 |
| Unicom: | 123.050 |
| Fuel available: | 100LL FUEL AVBL 24 HRS BY CREDIT CARD. |
| Dimension: | 3000 x 75 ft / 914.4 x 22.9 m |
| Surface: | ASPH, Good Condition |
| Weight Limit: | Single wheel: 29500 lbs. |
| Edge Lights: | Medium |
| Runway 05 | Runway 23 | |
|---|---|---|
| Longitude: | 121-37-48.4195W | 121-37-15.0582W |
| Latitude: | 37-49-20.3509N | 37-49-33.7316N |
| Elevation: | 78.00 ft | 49.00 ft |
| Alignment: | 63 | 127 |
| Traffic Pattern: | Right | Left |
| Markings: | Basic, Good Condition | Basic, Good Condition |
| Crossing Height: | 0.00 ft | 53.00 ft |
| VASI: | 2-light PAPI on left side | |
| Visual Glide Angle: | 0.00° | 3.50° |
| Obstruction: | 180 ft , 3800.0 ft from runway, 300L/ ft right of centerline, 20:1 slope to clear | , 50:1 slope to clear |
| Dimension: | 4500 x 100 ft / 1371.6 x 30.5 m |
| Surface: | ASPH, Good Condition |
| Weight Limit: | Single wheel: 29500 lbs. |
| Edge Lights: | Medium |
| Runway 12 | Runway 30 | |
|---|---|---|
| Longitude: | 121-37-53.5205W | 121-37-14.0485W |
| Latitude: | 37-50-08.4954N | 37-49-36.8929N |
| Elevation: | 64.00 ft | 48.00 ft |
| Alignment: | 127 | 127 |
| Traffic Pattern: | Left | Right |
| Markings: | Non-precision instrument, Good Condition | Non-precision instrument, Good Condition |
| Crossing Height: | 0.00 ft | 31.00 ft |
| VASI: | 2-light PAPI on left side | |
| Visual Glide Angle: | 0.00° | 3.50° |
| Runway End Identifier: | Yes | |
| Obstruction: | 61 ft pole, 1591.0 ft from runway, 261 ft right of centerline, 22:1 slope to clear | 65 ft hill, 3218.0 ft from runway, 729 ft left of centerline, 46:1 slope to clear |
| 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. |