4NA1 Ring Rock Ranch Airport
4NA1 · Williston, ND · elev 2,256 ft · TPA 3,300 ft MSL (≈1,000 AGL) · Nontowered
skyready.app/airport/4na1 live weather · pattern · NOTAMs
Frequencies
| Guard | 121.5 |
|---|
Airport
| Coordinates | 48°15.28'N 103°40.38'W |
|---|---|
| Mag var | 12E |
| ARTCC | SALT LAKE CITY (ZLC) |
| FSS | GRAND FORKS |
| Sectional | BILLINGS |
Attended UNATNDD.
RWY 11LEFT traffic
- Heading
- 098° mag · 110° true
- Dimensions
- 1,700 × 50 ft
- TPA
- 3,300 ft MSL (≈1,000 AGL) · standard
- Surface
- Turf
Enter the left downwind (heading 278°) on the 45° at 3,300 ft MSL (≈1,000 AGL).
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: schematic (headings + lengths)
Traffic pattern for the primary runway, drawn on its FAA charted side.
Runways
| Runway | Headings | Size | Surface · lights | Pattern | ILS |
|---|---|---|---|---|---|
| 11/29 | — | 1,700 × 50 ft | Turf | left | — |