Airports / 09CL / Alta Sierra AirportGood ground coverage
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Alta Sierra Airport satellite view
📍 Grass Valley⬆ 2,275 ft1 runways
09CL ·

Alta Sierra Airport

39.11380°N
-121.05700°W
ARR / DAY
0
▲ 100.0%
DEP / DAY
0
▲ 0.0%

Safety incidents

Last 1 days · 0 total

NORMAL
↻
Go-arounds
0
✕
Rejected takeoffs
0
△
Unstable approaches
0
↺
Return to field
0

Current weather

Latest METAR observation

—
Temp
—
Wind
—
Visib
—
Ceil
—

Runways

1 installed

2,834 FT MAX
01/19
2,834 ft × 50
ASPH-F○ unlit

Runway intelligence

Which runway carries the operations, observed over the last 30 days

01
84% of ops
73 land · 2 TO
19
16% of ops
14 land · 25 TO
Runway 01 carries 84% of operations (73 landings, 2 takeoffs) over the last 30 days. The next most-used is 19 at 16%.

Approach quality

Per-runway unstable-approach, go-around, and long-rollout rates

01 73 landings
UA 34%
19 14 landings
UA 21%
Approaches to 01 show a 34% unstable-approach rate (25 UA events from 73 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 · 75 total
Busy hour (local)
5pm
also 6pm · 2pm
Day vs night
67%
06:00–20:00 local
Traffic concentrates around 2pm–5pm local, averaging 2.5 flights/day. Weekend volume runs 1.4× weekday (3.2 vs 2.3 daily).

Aircraft character

What's actually flying here: top types over the last 30 days

10 · 15%
9 · 14%
8 · 12%
6 · 9%
3 · 5%
3 · 5%
Activity is led by (15% of 65 flights). Top three types: , , .

Communications Frequencies

2026-06-11
Airport operations
ARTCC:
ZOA
Mag var:
16° E
© SkyMeter · All flight data subject to ODbL attribution · Updated 13:48 UTC