Alpine County Airport

M45 · Markleeville, CA · Non-towered · Print kneeboard

Elevation
5,872 ft MSL
Longest runway
4,443 ft 17/35
Runway
1
Mag var
16E

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Weather

METAR observed

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TAF forecast

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Sun & FAA night2026-08-03 · night begins 08:37 PM
EventLocal (PDT)UTC
Morning civil twilight
Loggable night ends
05:33 AM12:33Z
Sunrise06:02 AM13:02Z
Sunset08:08 PM03:08Z
Evening civil twilight
Loggable night begins
08:37 PM03:37Z
Loggable night (§1.1)
08:37 PM → 05:33 AM
Night currency (§61.57)
09:08 PM → 05:02 AM

Plan a flight from M45

Winds aloft NOAA forecast · 3,000 to 53,000 ft

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Advisories

NOTAMs

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Pilot reports

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Airspace hazards

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Runways

5,000 ftNMNxw 078°downwind 348°base 258°final 168°45° entry1735

RWY 17LEFT traffic

Heading
168° mag · 184° true
Dimensions
4,443 × 50 ft
TPA
6,672 ft MSL · 800 AGL · charted
Surface
Asphalt
CTAF
122.9

Enter the left downwind (heading 348°) on the 45° at 6,672 ft MSL.

More details — RWY 17
Threshold elev
5,827 ft
Markings
basic
Approach obstacle
Hill, 150 ft, 3,200 ft from threshold, 425 ft L of centerline — 20:1 slope to clear
TDZ elevation
5,857 ft

Condition: Poor.

Pattern side: FAA NASR · TPA charted (NASR) · layout: FAA runway-end coordinates

ft · ≥1.5× comfortable, under 1.25× tight · saved across airports

Prefer one flat page? Full runway details for M45 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the M45 kneeboard →

Comms & NavAids

Communication frequencies

Taxi & takeoff

CTAF
122.9

Source: FAA NASR (current 28-day cycle).

Nearby navigation aids

SWR 113.20
NavAidTypeFreq · chRangeRadial / Dist magnetic
SWR · Palisades VOR/DME 113.20 · 79X Low r123° / 35.6 NM

Prefer one flat list? All M45 frequencies →

Charts & procedures

Airport

VFR sectional →

Airport info

Airport information

FAA LID
M45
Coordinates
38.7347, -119.7670
Elevation
5,872 ft MSL
Magnetic variation
16E
Sectional chart
SAN FRANCISCO
Airport use
Public
Control tower
No
ARTCC
OAKLAND (ZOA)
Flight service (FSS)
RENO · 122.2, 122.5 · 1-800-WX-BRIEF
NOTAM facility
RNO
Attendance
UNATNDD
Segmented circle
Yes
Wind indicator
yes
Activated
1968/01
Distance from city
3 N

Night operations

Pilot-controlled lighting
Usually keyed on CTAF 122.9 — confirm the click sequence in the Chart Supplement ↗

FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.

Services fuel · repairs · oxygen · attendance
Bottled oxygen
NONE
Bulk oxygen
NONE
Airframe service
NONE
Powerplant service
NONE
Parking
tiedowns
Ownership & management 2 contacts
Owner
ALPINE COUNTY
50 DIAMOND VALLEY RD, MARKLEEVILLE, CA
530-694-2140
Manager
SAM BOOTH
50 DIAMOND VALLEY RD, MARKLEEVILLE, CA
530-694-2140
Remarks FAA · 9 notes

General

  • LARGE STONES ALONG EDGE OF RWY OFF GRADED SFC.
  • NO SNOW REMOVAL, ARPT CLOSED WHEN SNOW ON RUNWAY.
  • TREES PENETRATING TRANSITIONAL SFCS E & W OF RY.
  • SOIL CONDITIONS OFF RY IS POOR IN WET CONDITIONS. CALL PUBLIC WORKS FOR ADDITIONAL INFORMATION 530-694-2140 EXT."0".
  • RY 17/35 LIMITED BY AIRPORT OPERATOR TO 4,800 LBS SINGLE WHEEL, 9,600 LBS DUAL WHEEL.
  • FOR CD CTC OAKLAND ARTCC AT 510-745-3380.

Runways

  • LOOSE GRVL ON RWY.

Contact

  • DIRECTOR OF COMMUNITY DEVELOPMENT
  • X 425

Nearby airports

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Also nearby: NV55 Pinenut Airport (private) (11 NM) · 43NV Topaz Ranch Airport (private) (14 NM) · NV33 Farias Wheel Airport (private) (18 NM) · N59 Rosaschi Air Park (21 NM)

About M45

Alpine County Airport (M45) is an airport in Markleeville, CA, at 5,872 ft MSL. It has 1 runway, the longest 4,443 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for M45, refreshed from the Aviation Weather Center and FAA NASR.

Does M45 have a control tower?

No. Alpine County Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.

What is the longest runway at M45?

Alpine County Airport has 1 runway; the longest is 4,443 ft. See the Runways section for headings, surface, and lighting.

Where is M45?

Alpine County Airport is in Markleeville, CA, at an elevation of 5,872 ft MSL. Coordinates: 38.7347, -119.7670.

Fly out of M45 often?

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Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open M45 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.