📍 Smithfield⬆ 164 ft1 runways
KJNX ·
Johnston County Airport
35.54090°N
-78.39030°W
ARR / DAY
28
▲
21.7%
DEP / DAY
49
▲
44.1%
Johnston County Airport (KJNX) is a small general aviation airport located in Smithfield, NC, 21 mi south east of Raleigh. It features 1 runway measuring 5,500 feet. SkyMeter has observed roughly 28 arrivals and 49 departures per day on average over the last 1 days.
Safety incidents
Last 1 days · 0 total
Current weather
Latest METAR observation
Temp
77°F
Wind
4 kts
40°
Visib
10+ km
Ceil
—
Runways
1 installed
03/21
5,500 ft × 100
ASP● LITMED
Runway intelligence
Which runway carries the operations, observed over the last 30 days
03
60% of ops
716 land · 485 TO
21
40% of ops
482 land · 689 TO
Runway 03 carries 60% of operations (716 landings, 485 takeoffs) over the last 30 days. The next most-used is 21 at 40%.
Approach quality
Per-runway unstable-approach, go-around, and long-rollout rates
03
716 landings
UA 2%
21
482 landings
UA 1%
Approaches to 03 show a 2% unstable-approach rate (17 UA events from 716 landings).Phase B will add wind-correlation: which crosswind band produces most UA events.
Traffic behavior
When the field is busy: hourly + weekday vs weekend
Daily avg
56.8
flights/day · 1,705 total
Busy hour (local)
7pm
also 4pm · 3pm
Day vs night
69%
06:00–20:00 local
Communications Frequencies
2026-06-11| Type | Freq (MHz) | Hours |
|---|---|---|
| CTAF | 122.725 | — |
| APCH | 125.300 | — |
| APCH | 353.675 | — |
| UNICOM | 122.725 | — |
| AWOS | 120.225 | — |
| APT REMA | 135.075 | — |
| OTHER | 135.075 | — |
Airport operations
- ARTCC:
- ZDC
- Elevation:
- 164 ft
- Mag var:
- 9° W
- Fuel:
- 100LL, A1+
Hourly traffic
Avg movements per hour · local time · last 30 days
© SkyMeter ·
All flight data subject to ODbL attribution
·
Updated 22:17 UTC