1
Runway
0
Frequencies
0
Procedures
0
NOTAMs
Quick Facts
FAA
09CL
Elevation
2,279.5 ft MSL
Runways
1
Frequencies
0
Tower
No
Fuel
N/A
Coordinates
39.112, -121.055
Airport Information
Facility Type
AIRPORT
Elevation
2,279.5 ft MSL
Control Tower
No
Fuel Types
None listed
Traffic Pattern
800 ft MSL
ARTCC
OAKLAND
Coordinates
39.1121, -121.0552
Ownership
Private
Hours of Operation
Current Weather
METAR KGOO 131535Z AUTO VRB05KT 10SM CLR 15/05 A3007 RMK A01
Flight Category
VFR
Wind
VRB° at 5 kt
Visibility
10+ SM
Temperature
15°C
Dewpoint
5°C
Altimeter
1018.40 inHg
Cloud Cover
CLR
Nearest weather from KGOO (7 NM away)
Observed 2026-05-13 15:35Z
Nearby Weather Cameras
No camera at 09CL. Showing nearest cameras.
Stoney Ridge
South · Camera 2 · 4 cameras total
12 NM away
Siller Bros Tower
NorthWest · Camera 4 · 4 cameras total
21 NM away
12 camera angles available
See all cameras, directions, and nearby airport cameras
Sign up free to view all cameras →Runways
| ID | Length | Width | Surface | Lights |
|---|---|---|---|---|
| 01/19 | 2,834 ft | 50 ft | ASPH | - |
Active NOTAMs
No active NOTAMs for 09CL.
Nearby Airports in California
3H Cattle Company Airport
Hanford — 223 ft
CL25
7R RANCH
CUYAMA — 3,176 ft
CL25
7R Ranch Airport
New Cuyama — 3,176 ft
7CA1
ABRAHAM RANCH
LUCERNE VALLEY — 2,850 ft
7CA1
ABRAHAM RANCH
LUCERNE VALLEY — 2,850 ft
Aciero Farms Landing Field
Randsburg — 2,053 ft
52CL
ADELANTO
ADELANTO — 3,075 ft
52CL
Adelanto Airport
Adelanto — 3,075 ft
Nearest airports
- null — 3H Cattle Company Airport
Hanford
- CL25 — 7R RANCH
CUYAMA
- CL25 — 7R Ranch Airport
New Cuyama
- 7CA1 — ABRAHAM RANCH
LUCERNE VALLEY
- 7CA1 — ABRAHAM RANCH
LUCERNE VALLEY
California airports
09CL Operational Overview
Location & Facility
ALTA SIERRA (09CL) is a privately owned airport restricted to private use located in GRASS VALLEY, California, United States. The field sits at an elevation of 2,279.5 feet above mean sea level (MSL) at coordinates 39.1121°N, 121.0552°W.
Runways
ALTA SIERRA has 1 runway. The longest runway (01/19) measures 2,834 feet by 50 feet with a asph surface.
Communications & Operations
ALTA SIERRA is a non-towered (pilot-controlled) field.
Weather Cameras
3 FAA Weather Cameras are available near ALTA SIERRA, providing real-time visual weather conditions updated every 10 minutes. AeroCopilot integrates these cameras with AI-powered weather analysis to help pilots assess visibility and ceiling conditions before departure.
Current Conditions
The current flight category at ALTA SIERRA is VFR (Visual Flight Rules — good flying conditions). Weather conditions are updated in real-time from official NOAA Aviation Weather Center observations.
Frequently Asked Questions
What is 09CL?
09CL is the ICAO identifier for ALTA SIERRA, a public-use airport located in GRASS VALLEY, California, United States.
How many runways does ALTA SIERRA have?
ALTA SIERRA (09CL) has 1 runway. See the runway table above for dimensions and surface types.
What is the elevation of 09CL?
The field elevation of ALTA SIERRA is 2,279.5 feet above mean sea level (MSL).
Is fuel available at 09CL?
No fuel types are currently listed for ALTA SIERRA. Contact the FBO directly for availability.
What are the current weather conditions at 09CL?
The current flight category at ALTA SIERRA is VFR. See the METAR section above for full decoded weather data including wind, visibility, temperature, and altimeter.
Are there active NOTAMs at 09CL?
There are currently no active NOTAMs for ALTA SIERRA.
How do I access complete data for 09CL?
Sign up for a free AeroCopilot account to access all frequencies, full NOTAM text with AI interpretation, decoded forecasts, and IFR procedure charts for ALTA SIERRA.
Where is ALTA SIERRA located?
ALTA SIERRA (09CL) is located in GRASS VALLEY, California, United States, at an elevation of 2,279.5 ft MSL.
Does 09CL have weather cameras?
09CL does not have a direct weather camera, but there are nearby cameras within range. Sign up for AeroCopilot to view all nearby airport cameras.