Smithfield, North Carolina
KJNX Johnston Rgnl
Johnston Rgnl (KJNX) is a non-towered, public-use airport in Smithfield, North Carolina, at 164 ft MSL. Its runway is 03/21 (5,500 by 100 ft, asphalt). Published pattern altitude 1,035 ft AGL (about 1,199 ft MSL). CTAF 122.725.
FAA NASR data effective Oct 29, 2026. Not for navigation; verify with current FAA charts and the Chart Supplement.
Airport
At a glance
- Identifiers
- ICAO KJNX, FAA JNX
- Location
- Smithfield, North Carolina (Johnston County). 3 NM NW of the city center
- Elevation
- 164 ft MSL
- Position
- 35.5409° N, 78.3903° W
- Pattern altitude
- 1,035 ft AGL
- Control tower
- No, non-towered
- Sectional chart
- Charlotte
- Magnetic variation
- 9° W (2000)
- Fuel
- 100LL, Jet A-1+
- Ownership
- Publicly owned, open to the public
- Attendance
- Daily 0800-1800
1 runway
Runways
| Runway | Length × width | Surface | Edge lights |
|---|---|---|---|
| 03/21 | 5,500 × 100 ft | Asphalt, good condition | Medium intensity |
Runway ends and traffic pattern
| End | Pattern | Glide slope lights | Instrument | Displaced threshold | Landing distance |
|---|---|---|---|---|---|
| 03 | Left traffic | 4-light PAPI, left | ILS/DME | None listed | Not listed |
| 21 | Left traffic | 4-light PAPI, left | None listed | None listed | Not listed |
VHF
Frequencies
- CTAF
- 122.725
- UNICOM
- 122.725
- Approach / departure
- 125.3
- "Raleigh"
Weather station
- AWOS-3 JNX
- 120.225
Before you go
Brief KJNX in Ascent EFB.
Current weather, NOTAMs and the airport diagram for Johnston Rgnl, in the app on iPhone and iPad.
Not for navigation. Verify with current FAA charts and the Chart Supplement before flight.
Source: FAA NASR 28-day subscription, cycle effective Oct 29, 2026. Airport data changes every 28 days and NOTAMs can override it at any time.