Reference only — not for real-world navigation.
KGDM
Gardner Municipal Airport · Gardner
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
955 ft / 291 m
Transition Altitude
18,000 ft
Primary Channel
RDO 110.60 MHz (BRIDGEPORT RDO)
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
18/36 · 2,999 ft · AsphaltLIGHTEDFlight Planning
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Welcome to the technical flight briefing for Gardner Municipal Airport (KGDM), located in Gardner, 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 955 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
Gardner Municipal Airport
ICAO / IATA
KGDM / GDM
Municipality
Gardner
Country
Region
US-MA — Massachusetts
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
955 ft
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 18 / 36
LIGHTED
Runway Length: 2,999 ft / 914 m
Runway Width: 75 ft / 23 m
Surface Type: Asphalt
Heading: 164.9° / 344.9°
Runway Width: 75 ft / 23 m
Surface Type: Asphalt
Heading: 164.9° / 344.9°
RWY 18 (164.9°)
No ILS / Visual Only
RWY 36 (344.9°)
No ILS / Visual Only
CNTR BOSTON CNTR
123.75 MHz
RDO BRIDGEPORT RDO
110.60 MHz
UNIC CTAF/UNICOM
122.80 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026