Reference only — not for real-world navigation.
KD55
Robertson Field · Langdon
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
1,608 ft / 490 m
Transition Altitude
18,000 ft
Primary Channel
UNIC 122.80 MHz (CTAF/UNICOM)
Live Conversion
inHg
hPa
Flight Planning
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Welcome to the technical flight briefing for Robertson Field (KD55), located in Langdon, United States. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 2 active runways with a maximum elevation of 1,608 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
Robertson Field
ICAO / IATA
KD55 / —
Municipality
Langdon
Country
Region
US-ND — North Dakota
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
1,608 ft
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 14 / 32
LIGHTED
Runway Length: 3,600 ft / 1,097 m
Runway Width: 60 ft / 18 m
Surface Type: Asphalt
Heading: 140.1° / 320.1°
Runway Width: 60 ft / 18 m
Surface Type: Asphalt
Heading: 140.1° / 320.1°
RWY 14 (140.1°)
No ILS / Visual Only
RWY 32 (320.1°)
No ILS / Visual Only
Runway 08 / 26
UNLIT
Runway Length: 2,400 ft / 732 m
Runway Width: 150 ft / 46 m
Surface Type: Grass
Heading: 90° / 270°
Runway Width: 150 ft / 46 m
Surface Type: Grass
Heading: 90° / 270°
RWY 08 (90°)
No ILS / Visual Only
RWY 26 (270°)
No ILS / Visual Only
UNIC CTAF/UNICOM
122.80 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026