Airports / KM45 / Alpine County AirportGood ground coverage

📍 Markleeville⬆ 5,867 ft1 runways

KM45 ·

Alpine County Airport

38.73470°N

-119.76700°W

ARR / DAY

▼ 100.0%

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.

Safety incidents

Last 1 days · 0 total

NORMAL

Current weather

From KTVL, 16 mi away (KM45 does not publish METAR)

21m ago

Temp

47°F

Wind

6 kts

180°

Visib

10+ km

Ceil

—

KTVL 161053Z AUTO 18006KT 10SM CLR 08/M01 A3005 RMK AO2 SLP123 T00831011

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

97% of ops

33 land · 2 TO

3% of ops

1 land · 6 TO

Runway 17 carries 97% of operations (33 landings, 2 takeoffs) over the last 30 days. The next most-used is 35 at 3%.

Approach quality

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

17 33 landings

UA 3%

35 1 landings

UA 0%

Approaches to 17 show a 3% unstable-approach rate (1 UA events from 33 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

1.1

flights/day · 34 total

Busy hour (local)

3pm

also 4pm · 5pm

Day vs night

79%

06:00–20:00 local

Traffic concentrates around 3pm–5pm local, averaging 1.1 flights/day. Weekend volume runs 0.8× weekday (1.0 vs 1.2 daily).

Aircraft character

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

4 · 12%

3 · 9%

2 · 6%

Activity is led by (12% of 32 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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