Reference only — not for real-world navigation.
KRDR
Grand Forks Air Force Base · Grand Forks
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS FREQUENCIES VERIFIED ✅
Field Elevation
913 ft / 278 m
Transition Altitude
18,000 ft
Primary Channel
TWR 124.90 MHz (RED RIVER TWR)
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
17/35 · 12,350 ft · AsphaltLIGHTEDFlight Planning
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Welcome to the technical flight briefing for Grand Forks Air Force Base (KRDR), located in Grand Forks, 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 913 ft. Instrument approaches (IFR) are supported with verified ILS frequencies and identifiers for precision landings.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
Grand Forks Air Force Base
ICAO / IATA
KRDR / RDR
Municipality
Grand Forks
Country
Region
US-ND — North Dakota
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
913 ft
Official Website
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 17 / 35
LIGHTED
Runway Length: 12,350 ft / 3,764 m
Runway Width: 150 ft / 46 m
Surface Type: Asphalt
Heading: 180° / 360°
Runway Width: 150 ft / 46 m
Surface Type: Asphalt
Heading: 180° / 360°
RWY 17 (180°)
No ILS / Visual Only
RWY 35 (360°)
No ILS / Visual Only
A/D APP/DEP
118.10 MHz
ATIS ATIS
27.34 MHz
CLD CLNC DEL
119.15 MHz
GND GND
119.15 MHz
PMSV PMSV METRO
34.35 MHz
POST COMD POST
31.10 MHz
PTD PTD
37.22 MHz
RDO RDO
122.20 MHz
TWR RED RIVER TWR
124.90 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: FAA NASR · Cycle: Jan 2026