Airports / KM45 / Alpine County AirportGood ground coverage

📍 Markleeville⬆ 5,867 ft1 runways

KM45 ·

Alpine County Airport

38.73470°N

-119.76700°W

ARR / DAY

▼ 50.0%

DEP / DAY

▼ 100.0%

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 7 days · 0 total

NORMAL

Current weather

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

38m ago

Temp

66°F

Wind

9 kts

210°

Visib

10+ km

Ceil

—

KTVL 012053Z AUTO 21009G21KT 10SM CLR 19/M04 A3005 RMK AO2 SLP117 T01891044 58005

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

93% of ops

27 land · 2 TO

7% of ops

2 land · 5 TO

Runway 17 carries 93% of operations (27 landings, 2 takeoffs) over the last 30 days. The next most-used is 35 at 7%.

Approach quality

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

17 27 landings

UA 0%

35 2 landings

UA 0%

Approaches to 17 show a 0% unstable-approach rate (0 UA events from 27 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

1.4

flights/day · 42 total

Busy hour (local)

3pm

also 4pm · 9pm

Day vs night

74%

06:00–20:00 local

Traffic concentrates around 3pm–9pm local, averaging 1.4 flights/day. Weekend volume runs 1.5× weekday (1.9 vs 1.3 daily).

Aircraft character

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

Activity is led by (20% of 41 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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