Reference only — not for real-world navigation.
KMMH
Mammoth Yosemite Airport · Mammoth Lakes
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
7,135 ft / 2,175 m
Transition Altitude
18,000 ft
Primary Channel
AWOS 118.05 MHz (AWOS 3)
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
09/27 · 7,000 ft · AsphaltLIGHTEDFlight Planning
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Welcome to the technical flight briefing for Mammoth Yosemite Airport (KMMH), located in Mammoth Lakes, United States. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 1 active runway with a maximum elevation of 7,135 ft. Please note that this field primarily supports VFR and visual approach procedures.Reference the data below for primary communication channels and detailed runway characteristics. Pilots should observe a Transition Altitude of 18,000 ft verified for this field for altimeter reset procedures.
Full Name
Mammoth Yosemite Airport
ICAO / IATA
KMMH / MMH
Municipality
Mammoth Lakes
Country
Region
US-CA — California
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
7,135 ft
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 09 / 27
LIGHTED
Runway Length: 7,000 ft / 2,134 m
Runway Width: 100 ft / 30 m
Surface Type: Asphalt
Heading: 109° / 289°
Runway Width: 100 ft / 30 m
Surface Type: Asphalt
Heading: 109° / 289°
RWY 09 (109°)
No ILS / Visual Only
RWY 27 (289°)
No ILS / Visual Only
AWOS AWOS 3
118.05 MHz
CNTR OAKLAND CNTR
125.75 MHz
RDO RIVERSIDE RDO
122.15 MHz
UNIC CTAF/UNICOM
122.80 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026