Johnston Regional Airport (KJNX)
Medium airport · Smithfield, North Carolina, United States
Airport data
| Name | Johnston Regional Airport |
|---|---|
| ICAO | KJNX |
| Elevation | 164 ft (50 m) above mean sea level |
| Coordinates | N 35°32'27" W 78°23'25" 35.54090, -78.39030 |
| Location | Smithfield, North Carolina, United States |
| Scheduled service | No |
Runways
| Runway | Length | Width | Surface | Lighted |
|---|---|---|---|---|
| 03/21 | 5,500 ft (1676 m) | 100 ft | ASP | Yes |
Johnston Regional Airport at a glance
Johnston Regional Airport is a medium airport in Smithfield, North Carolina, United States. The field elevation of 164 ft (50 m) is the number every arriving pilot dials against QNH — circuit heights and initial approach altitudes at KJNX are all figured from it. There is no scheduled airline service listed here — typical traffic is general aviation, training and local operations.
The single runway, 03/21, offers 5,500 ft (1676 m) of asp surface, with runway lighting for night operations. Runway numbers give magnetic orientation: runway 03 points roughly 30° magnetic.
For the weather side of planning, the live METAR and TAF page for KJNX shows the current observation decoded line by line — wind on an instrument dial, visibility, cloud layers and the resulting flight rules — refreshed continuously from official sources.
Nearest airports to Johnston Regional Airport
Distances are great-circle, measured from the field reference point — planning distances along airways or roads will run longer.
| Airport | Code | Distance |
|---|---|---|
| Seymour Johnson Air Force Base | KGSB | 45 km (24 NM) |
| Raleigh-Durham International Airport | KRDU | 52 km (28 NM) |
| Rocky Mount Wilson Regional Airport | KRWI | 57 km (31 NM) |
| Simmons Army Air Field | KFBG | 67 km (36 NM) |
| Pope Field | KPOB | 70 km (38 NM) |
Flight-planning notes for Johnston Regional Airport
Density altitude is the quiet performance-killer at any field: on a hot day the 164 ft field elevation of Johnston Regional Airport can translate into a substantially higher density altitude, stretching take-off rolls and flattening climb rates — run the numbers rather than trusting the feel of a standard day. Expect published instrument procedures, controlled airspace and clearance requirements; slots and handling may apply to general aviation traffic.
This entry is one of 917 airports and airfields we list for United States — the country index on the airports hub links the rest. Coordinates above are given in both DMS and decimal degrees so they can go straight into a GPS, a flight planner or a chart plot without conversion.
Where this data comes from
The reference layer behind this page builds on the OurAirports dataset — a public-domain, community-maintained register of the world's airports that many flight planners and apps rely on — with equity records preserved from documented historical listings where the dataset is silent. Figures are carried as published: elevations as surveyed, coordinates as filed, runway dimensions as recorded. Nothing is estimated to fill a gap, and the whole layer regenerates from source on every site build, so corrections upstream arrive here automatically.
Frequently asked questions about Johnston Regional Airport
What is the ICAO code of Johnston Regional Airport?
The ICAO identifier of Johnston Regional Airport is KJNX, and it has no IATA code assigned. The ICAO code is the one used in flight plans, METAR reports and aeronautical charts.
How high is Johnston Regional Airport above sea level?
Johnston Regional Airport sits at an elevation of 164 feet (50 metres) above mean sea level. Field elevation is the reference for pattern altitudes and for setting the altimeter on the ground.
Where exactly is Johnston Regional Airport located?
The airport lies at 35.5409, -78.3903 — in Smithfield, North Carolina, United States, in the northern hemisphere. The closest listed field is Seymour Johnson Air Force Base, about 45 km away.
Does KJNX publish METAR weather reports?
Where the station reports, the current METAR and TAF for KJNX appear on its live weather page on this site, refreshed continuously from the US NWS Aviation Weather Center feed.
How long is the runway at Johnston Regional Airport?
Johnston Regional Airport has one runway. The longest, 03/21, measures 5,500 ft (1676 m) with a ASP surface.