Robertson Field

D55 · Langdon, ND · Non-towered · Print kneeboard

Elevation

1,608 ft MSL

Longest runway

3,600 ft 14/32

Runways

Mag var

AWOS 118.225 CTAF 122.8

Nearby now

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Weather

METAR observed

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TAF forecast

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Sun & FAA night2026-08-04 · night begins 09:44 PM

Event	Local (CDT)	UTC
Morning civil twilight Loggable night ends	05:34 AM	10:34Z
Sunrise	06:11 AM	11:11Z
Sunset	09:08 PM	02:08Z
Evening civil twilight Loggable night begins	09:44 PM	02:44Z

Loggable night (§1.1)

09:44 PM → 05:34 AM

Night currency (§61.57)

10:08 PM → 05:11 AM

Plan a flight from D55

Destination

TAS (kt)Burn (gph)Reserve (hr)Cruise (ft)Max alt (ft)Wind from (°)Wind (kt)

Winds aloft NOAA forecast · 3,000 to 53,000 ft

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Advisories

NOTAMs

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Pilot reports

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Airspace hazards

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Runways

RWY 14LEFT traffic

Heading: 133° mag · 140° true
Dimensions: 3,600 × 60 ft
TPA: 2,600 ft MSL (≈1,000 AGL) · standard
Surface: Asphalt
Lights: 2-light PAPI (left) (3°)
CTAF: 122.8

Enter the left downwind (heading 313°) on the 45° at 2,600 ft MSL (≈1,000 AGL).

More details — RWY 14

Threshold elev: 1,603 ft
Markings: nonprecision
Threshold crossing height: 28 ft
TDZ elevation: 1,606 ft

Condition: Good. Edge lights: Med. Weight bearing: Single wheel 12.5k.

Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates

Will it fit? Your aircraft's required runway length (from the POH) — checked against every runway here

ft · ≥1.5× comfortable, under 1.25× tight · saved across airports

Runway	Length	Your margin
08/26	1,930 ft
14/32	3,600 ft

Prefer one flat page? Full runway details for D55 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the D55 kneeboard →

Comms & NavAids

Communication frequencies

Before taxi

ASOS/AWOS

118.225

Taxi & takeoff

CTAF

122.8

UNICOM

122.8

Also

Flight service

132.15 LOW

By procedure & sector (1 frequencies)

Frequency	Used by
269.6	GRAND FORKS RCAG (LOW)

Source: FAA NASR (current 28-day cycle).

Prefer one flat list? All D55 frequencies →

Charts & procedures

PDF ↗

Chart Supplement ↗

VFR sectional →

Airport info

Airport information

FAA LID: D55
Coordinates: 48.7530, -98.3933
Elevation: 1,608 ft MSL
Magnetic variation: 7E
Sectional chart: TWIN CITIES
Airport use: Public
Control tower: No
Weather station: AWOS-3 · 118.225 · ☎ 701-256-2121
ARTCC: MINNEAPOLIS (ZMP)
Flight service (FSS): GRAND FORKS · 122.2 · 1-800-WX-BRIEF
NOTAM facility: GFK
Attendance: ALL ON CALL
Beacon: white-green (SS-SR)
Segmented circle: No
Wind indicator: lighted
Activated: 1938/03
Distance from city: 1 WSW

Night operations

Airport lighting: SEE RMK
Rotating beacon: white-green · SS-SR
Pilot-controlled lighting: ACTVT PAPI RWY 14 & 32; MIRL RWY 14/32 - CTAF. on 122.8 — Chart Supplement ↗

Runway lighting aids — 14: 2-light PAPI (left) · 32: 2-light PAPI (left).

FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.

Services fuel · repairs · oxygen · attendance

Fuel available: 100LL
Bottled oxygen: NONE
Bulk oxygen: NONE
Airframe service: NONE
Powerplant service: NONE
Parking: tiedowns, hangars
Other services: Agricultural

Ownership & management 2 contacts

Owner

LANGDON ARPT AUTHORITY

1310 12TH ST, LANGDON, ND

701-370-2076

Manager

RYAN HOWATT

1228 15TH AVE, LANGDON, ND

(701) 370-9710

Remarks FAA · 11 notes

General

RY 08/26 CLOSED WINTERS DUE TO LACK OF SNOW REMOVAL.
LARGE BIRDS AND DEER ON & INVOF ARPT APR-NOV.
CFM WINTER CONDS/SNOW REMOVAL WITH AMGR 701-370-9710.
NOISE SENSITIVE AREA NW QUADRANT OF FIELD; AVOID OVERFLIGHT.
FOR CD CTC MINNEAPOLIS ARTCC AT 651-463-5588.
COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -35C.

Lighting

ACTVT PAPI RWY 14 & 32; MIRL RWY 14/32 - CTAF.

Fuel

SELF SVC FUEL AVBL 24 HR WITH CREDIT CARD.

Obstructions

+334 FT TWR 6550 FT FM THLD, 230 FT R OF EXTDD CNTRLN.

Contact

JOHN BOE, CHAIRMAN OF ARPT AUTH, ADDNL PHONE 701-370-2076.

Attendance

FOR SVCS AFT HRS CTC AMGR 701-370-9710.

Nearby airports

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Also nearby: 7ND8 Forest Airport (private) (15 NM) · 88ND Goodman Strip (private) (16 NM) · 96D Walhalla Municipal Airport (22 NM) · 03ND Olafson Brothers Airport (private) (24 NM) · 8ND0 Amble-Tiger North Farms Airport (private) (26 NM) · 9ND8 Hinkle Airport (private) (29 NM)

About D55

Robertson Field (D55) is an airport in Langdon, ND, at 1,608 ft MSL. It has 2 runways, the longest 3,600 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for D55, refreshed from the Aviation Weather Center and FAA NASR.

Does D55 have a control tower?

No. Robertson Field is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.

What is the longest runway at D55?

Robertson Field has 2 runways; the longest is 3,600 ft. See the Runways section for headings, surface, and lighting.

Where is D55?

Robertson Field is in Langdon, ND, at an elevation of 1,608 ft MSL. Coordinates: 48.7530, -98.3933.

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Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open D55 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.