Reference only — not for real-world navigation.
KGDB
Granite Falls Municipal Airport / Lenzen-Roe Memorial Field · Granite Falls
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
1,047 ft / 319 m
Transition Altitude
18,000 ft
Primary Channel
AWOS 120.10 MHz (AWOS 3)
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
15/33 · 3,700 ft · AsphaltLIGHTEDFlight Planning
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Welcome to the technical flight briefing for Granite Falls Municipal Airport / Lenzen-Roe Memorial Field (KGDB), located in Granite Falls, 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 1,047 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
Granite Falls Municipal Airport / Lenzen-Roe Memorial Field
ICAO / IATA
KGDB / —
Municipality
Granite Falls
Country
Region
US-MN — Minnesota
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
1,047 ft
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 15 / 33
LIGHTED
Runway Length: 3,700 ft / 1,128 m
Runway Width: 75 ft / 23 m
Surface Type: Asphalt
Heading: 157.1° / 337.1°
Runway Width: 75 ft / 23 m
Surface Type: Asphalt
Heading: 157.1° / 337.1°
RWY 15 (157.1°)
No ILS / Visual Only
RWY 33 (337.1°)
No ILS / Visual Only
AWOS AWOS 3
120.10 MHz
CNTR MINNEAPOLIS CNTR
127.10 MHz
UNIC CTAF/UNICOM
122.80 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026