Airports / KM45 / Alpine County AirportGood ground coverage

📍 Markleeville⬆ 5,867 ft1 runways

KM45 ·

Alpine County Airport

38.73470°N

-119.76700°W

ARR / DAY

▲ 0.0%

DEP / DAY

▲ 0.0%

Alpine County Airport (KM45) is a small general aviation airport located in Markleeville, CA, 55 mi south of Reno. It features 1 runway measuring 4,443 feet. SkyMeter has observed roughly 2 arrivals and 1 departures per day on average over the last 1 days.

Safety incidents

Last 1 days · 0 total

NORMAL

Current weather

Latest METAR observation

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Temp

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Wind

—

Visib

—

Ceil

—

Runways

1 installed

4,443 FT MAX

17/35

4,443 ft × 50

ASP○ unlit

Runway intelligence

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

70% of ops

32 land · 8 TO

30% of ops

14 land · 2 TO

Runway 17 carries 70% of operations (32 landings, 8 takeoffs) over the last 30 days. The next most-used is 35 at 30%.

Approach quality

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

17 32 landings

UA 25%

35 14 landings

UA 0%

Approaches to 17 show a 25% unstable-approach rate (8 UA events from 32 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

1.2

flights/day · 36 total

Busy hour (local)

3pm

also 4pm · 7pm

Day vs night

69%

06:00–20:00 local

Traffic concentrates around 3pm–7pm local, averaging 1.2 flights/day. Weekend volume runs 1.0× weekday (1.2 vs 1.2 daily).

Aircraft character

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

Activity is led by (19% of 36 flights). Top three types: , , .

Communications Frequencies

2026-06-11

Type	Freq (MHz)	Hours
CTAF	122.900	—

Airport operations

ARTCC:: ZOA
Mag var:: 16° E

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