Airport information
- FAA LID
- 21ND
- Coordinates
- 48.5822, -100.8550
- Elevation
- 1,450 ft MSL
- Magnetic variation
- 10E
- Sectional chart
- TWIN CITIES
- Airport use
- Private
- Control tower
- No
- ARTCC
- MINNEAPOLIS (ZMP)
- Flight service (FSS)
- GRAND FORKS · 1-800-WX-BRIEF
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1981/01
- Distance from city
- 4 W
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-22
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:59 AM | 09:59Z |
| Sunrise | 05:41 AM | 10:41Z |
| Sunset | 09:50 PM | 02:50Z |
| Evening civil twilight Loggable night begins | 10:32 PM | 03:32Z |
Plan a flight from 21ND
Traffic pattern
- Landing
- Rwy 08 · 080°
- Pattern
- left (turns left)
- TPA
- 2,500 ft MSL (≈1,000 AGL)
Enter the left downwind for Rwy 08 at 2,500 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 08/26
2,500 ft × 40 ft · Turf- Heading
- 080° mag · 90° true
- Threshold elev
- 1,450 ft
- Traffic pattern
- Left
- TDZ elevation
- 1,450 ft
- Heading
- 260° mag · 270° true
- Threshold elev
- 1,438 ft
- Traffic pattern
- Right
- TDZ elevation
- 1,450 ft
| Runway | Length | Your margin |
|---|---|---|
| 08/26 | 2,500 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| MIB · Deering | TACAN | 114.90 | r054° / 22.7 NM |
| MOT · Minot | VORTAC | 117.10 | r029° / 25.9 NM |
VFR sectional
No published instrument procedures or Chart Supplement for 21ND. VFR sectional link above.
Ownership & management
Remarks FAA
- PROVIDED ALL TRAFFIC PATTERN OPERATIONS ARE CONDUCTED NORTH OF RWY 08/26.
- FOR CD CTC MINNEAPOLIS ARTCC AT 651-463-5588.
Nearby airports
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 21ND 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.
About 21ND
Rosenau Airport (21ND) is an airport in Upham, ND, at 1,450 ft MSL. It has 1 runway, the longest 2,500 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 21ND, refreshed from the Aviation Weather Center and FAA NASR.
Does 21ND have a control tower?
No. Rosenau Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at 21ND?
Rosenau Airport has 1 runway; the longest is 2,500 ft. See the Runways tab for headings, surface, and lighting.
Where is 21ND?
Rosenau Airport is in Upham, ND, at an elevation of 1,450 ft MSL. Coordinates: 48.5822, -100.8550.
Fly out of 21ND often?
Save 21ND as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.