N21
Holly Ridge/Topsail Island Airport
Holly Ridge/Topsail Island Airport (N21) is a general-aviation airfield serving Holly Ridge, North Carolina. The field lies at 49 ft (15 m) above sea level and has a single runway of 3,591 ft (1,095 m), grass. Its nearest neighbour is Camp Davis Marine Corps Outlying Field (14NC), 2 nm NNW.
Holly Ridge/Topsail Island Airport is a smaller field, so Alārium does not attribute movements to it directly — but aircraft flying near it appear on the live map like any other, at their real altitude and on their real track.
Location
- Elevation
- 49 ft (15 m)
- Coordinates
- 34.4903, -77.5319
- Serving
- Holly Ridge
- Region
- North Carolina
- Time zone
- America/New_York
Runways1 · longest 3,591 ft
The diagram shows each runway’s orientation and relative length, read from its designator — runway 14 points 140° magnetic. Threshold coordinates are not published for this field, so strips are drawn about its centre rather than where they sit on the ground. It is a diagram, not a chart to navigate by.
| Runway | Length | Width | Surface | Lighting |
|---|---|---|---|---|
| 14/32 | 3,591 ft1,095 m | 88 ft | Grass | — |
Nearby airfields
Runway and field data from the OurAirports public-domain dataset. Positions are ADS-B, which covers most but not all aircraft.