📍 Smithfield⬆ 164 ft1 runways
KJNX ·
Johnston County Airport
35.54090°N
-78.39030°W
ARR / DAY
23
▲
8.1%
DEP / DAY
31
▲
6.3%
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 23 arrivals and 31 departures per day on average over the last 7 days.
Safety incidents
Last 7 days · 1 total
Current weather
Latest METAR observation
Temp
72°F
Wind
0 kts
0°
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
62% of ops
527 land · 216 TO
21
38% of ops
323 land · 579 TO
Runway 03 carries 62% of operations (527 landings, 216 takeoffs) over the last 30 days. The next most-used is 21 at 38%.
Approach quality
Per-runway unstable-approach, go-around, and long-rollout rates
03
527 landings
UA 2%
21
323 landings
UA 2%
Approaches to 03 show a 2% unstable-approach rate (13 UA events from 527 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
49.9
flights/day · 1,497 total
Busy hour (local)
5pm
also 3pm · 4pm
Day vs night
75%
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 05:03 UTC