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The Pilots Desk
Small airport

Robertson Field

ICAO KD55Local D55🇺🇸 Langdon
Coordinates
48.7530°N, 98.3933°W
Elevation
1,608 ft (490 m)
Type
Small airport
Region
US-ND
Time zone
Winnipeg(UTC-05:00)
Magnetic variation
3.7° E

Daylight today(Jul 17, 2026, local time)

Civil dawn
05:09
Sunrise
05:49
Sunset
21:31
Civil dusk
22:11

About 15h 42m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.

About Robertson Field

Robertson Field is a public use airport located one nautical mile (2 km) west-southwest of the central business district of Langdon, a city in Cavalier County, North Dakota, United States. It is owned by the Langdon Airport Authority. This airport is included in the National Plan of Integrated Airport Systems for 2011–2015, which categorized it as a general aviation facility.

Summary from Wikipedia licensed under CC BY-SA.

Map

Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.

Runways (2)

RunwayLengthWidthSurfaceLightingStatus
14 / 323,600 ft / 1,097 m60 ftAspLightedOpen
08 / 261,930 ft / 588 m100 ftGrsUnlitOpen

Radio frequencies (1)

TypeDescriptionFrequency
UNICCTAF/UNICOM122.800 MHz

Airspace in this area(2)

NameClassTypeFloorCeiling
TIGER NORTH INT BY NOTAMSpecial useDanger300 ft GND17999 ft MSL
EXCLUDED FROM TIGER NORTHSpecial useDanger300 ft GND1500 ft GND

Approximate bounding-box match from OpenAIP · all United States airspace. Reference only — consult official charts for exact boundaries and status.

Tall obstacles nearby

ObstacleHeight AGLTop (MSL)Lit
Obstacle1,657 ft
Obstacle1,663 ft
Obstacle1,663 ft
Obstacle1,673 ft
Obstacle1,663 ft
Obstacle1,650 ft
Obstacle1,663 ft
Obstacle1,663 ft

Tallest obstacles within ~10 nm. Data via OpenAIP. Reference only — consult official charts.

Nearby airports

Great-circle distance and true bearing from Robertson Field.

Wikipedia Live tracking (FR24) Open in Maps
🇺🇸 More airports in United States📘 Flying in the United States: a pilot's guide

Frequently asked questions

Where is Robertson Field located?

Robertson Field is small airport located in Langdon, United States, at an elevation of 1,608 ft (490 m).

How many runways does Robertson Field have?

Robertson Field has 2 runways, the longest being 3,600 ft / 1,097 m.

What time zone is Robertson Field in?

Robertson Field is in the America/Winnipeg time zone (UTC-05:00).

What is the magnetic variation at Robertson Field?

The magnetic variation (declination) at Robertson Field is approximately 3.7° E, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.

What airports are near Robertson Field?

The nearest airport to Robertson Field is Forest Airport (7ND8), about 15.2 nm to the wnw, followed by Goodman Strip and Bohn Airstrip.

Is the information on this page suitable for flight planning?

No. Robertson Field data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.