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

▼ 85.7%

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)

45m ago

Temp

78°F

Wind

8 kts

200°

Visib

10+ km

Ceil

—

KTVL 261753Z AUTO 20008G19KT 160V240 10SM CLR 26/M07 A3028 RMK AO2 SLP178 T02561072 10261 20061 53001

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

51% of ops

18 land · 3 TO

49% of ops

17 land · 4 TO

Runway 35 carries 51% of operations (18 landings, 3 takeoffs) over the last 30 days. The next most-used is 17 at 49%.

Approach quality

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

35 18 landings

UA 0%

17 17 landings

UA 12%

Approaches to 35 show a 0% unstable-approach rate (0 UA events from 18 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

0.9

flights/day · 26 total

Busy hour (local)

6pm

also 4pm · 3pm

Day vs night

69%

06:00–20:00 local

Traffic concentrates around 3pm–6pm local, averaging 0.9 flights/day. Weekend volume runs 1.2× weekday (1.0 vs 0.9 daily).

Aircraft character

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

Activity is led by (16% of 25 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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