📍 Grass Valley⬆ 2,275 ft1 runways
09CL ·
Alta Sierra Airport
39.11380°N
-121.05700°W
ARR / DAY
2
▲
40.0%
DEP / DAY
1
▲
350.0%
Alta Sierra Airport (09CL) is a small general aviation airport located in Grass Valley, CA, 28 mi north east of Roseville. It features 1 runway measuring 2,834 feet. SkyMeter has observed roughly 2 arrivals and 1 departures per day on average over the last 7 days.
Safety incidents
Last 7 days · 0 total
Current weather
From KBAB, 20 mi away (09CL does not publish METAR)
Temp
91°F
Wind
12 kts
160°
Visib
10+ km
Ceil
—
Runways
1 installed
01/19
2,834 ft × 50
ASPH-F○ unlit
Runway intelligence
Which runway carries the operations, observed over the last 30 days
01
75% of ops
40 land · 1 TO
19
25% of ops
13 land · 12 TO
Runway 01 carries 75% of operations (40 landings, 1 takeoffs) over the last 30 days. The next most-used is 19 at 25%.
Approach quality
Per-runway unstable-approach, go-around, and long-rollout rates
01
40 landings
UA 28%
19
13 landings
UA 38%
Approaches to 01 show a 28% unstable-approach rate (11 UA events from 40 landings).Phase B will add wind-correlation: which crosswind band produces most UA events.
Traffic behavior
When the field is busy: hourly + weekday vs weekend
Daily avg
2.5
flights/day · 74 total
Busy hour (local)
5pm
also 6pm · 2pm
Day vs night
66%
06:00–20:00 local
Communications Frequencies
2026-06-11Airport operations
- ARTCC:
- ZOA
- Mag var:
- 16° E
© SkyMeter ·
All flight data subject to ODbL attribution
·
Updated 23:50 UTC