Airport information
- FAA LID
- 4NA5
- Coordinates
- 48.2883, -101.8280
- Elevation
- 2,250 ft MSL
- Magnetic variation
- 11E
- Sectional chart
- BILLINGS
- Airport use
- Private
- Control tower
- No
- ARTCC
- MINNEAPOLIS (ZMP)
- Flight service (FSS)
- GRAND FORKS · 1-800-WX-BRIEF
- Attendance
- UNATNDD
- Segmented circle
- No
- Activated
- 1985/07
- Distance from city
- 4 SW
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 | 05:05 AM | 10:05Z |
| Sunrise | 05:46 AM | 10:46Z |
| Sunset | 09:52 PM | 02:52Z |
| Evening civil twilight Loggable night begins | 10:34 PM | 03:34Z |
Plan a flight from 4NA5
Traffic pattern
- Landing
- Rwy 09
- Pattern
- left (turns left)
- TPA
- 3,300 ft MSL (≈1,000 AGL)
Enter the left downwind for Rwy 09 at 3,300 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 09/27
1,760 ft × 36 ft · Turf- Heading
- n/a
- Traffic pattern
- Left
- Approach obstacle
- Tree, 200 ft from threshold
- Heading
- n/a
- Traffic pattern
- Left
| Runway | Length | Your margin |
|---|---|---|
| 09/27 | 1,760 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| MIB · Deering | TACAN | 114.90 | r238° / 20 NM |
| MOT · Minot | VORTAC | 117.10 | r262° / 21.7 NM |
VFR sectional
No published instrument procedures or Chart Supplement for 4NA5. VFR sectional link above.
Ownership & management
Remarks FAA
- 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 4NA5 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 4NA5
Berg Strip (4NA5) is an airport in Berthold, ND, at 2,250 ft MSL. It has 1 runway, the longest 1,760 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 4NA5, refreshed from the Aviation Weather Center and FAA NASR.
Does 4NA5 have a control tower?
No. Berg Strip is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at 4NA5?
Berg Strip has 1 runway; the longest is 1,760 ft. See the Runways tab for headings, surface, and lighting.
Where is 4NA5?
Berg Strip is in Berthold, ND, at an elevation of 2,250 ft MSL. Coordinates: 48.2883, -101.8280.
Fly out of 4NA5 often?
Save 4NA5 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.