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KJNX

Johnston Regional Airport · Smithfield

Key Facts

Technical summary and operational standards.

ILS Approach StatusILS FREQUENCIES VERIFIED ✅
Field Elevation
164 ft / 50 m
Transition Altitude
18,000 ft
Primary Channel
UNIC 122.80 MHz (CTAF/UNICOM)
Runway Summary
03/215,500 ftAsphaltLIGHTED

Mission Briefing & Tools

Direct calculators and pre-filled resources for this airport.

TOD CALC
Plan Descent
CROSSWIND
Check Limits
VDP CALC
Visual Point
CONVERTER
QNH / Fuel
SkyVector FlightAware Live METAR Satellite

Less math, more flying. Did this save your approach? 🛬

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Briefing for Johnston Regional Airport (KJNX), United States. This facility features 1 active runways with an elevation of 164 ft. Verified ILS frequencies are available for precision approaches.Maintain a Transition Altitude of 18,000 ft for altimeter reset.

Airport Details

Full geographical and organizational metadata.

Full Name
Johnston Regional Airport
ICAO / IATA
KJNX / —
Municipality
Smithfield
Country
Region
US-NC
GPS Coordinates
Transition Altitude
18,000 ft
Official Website
Wikipedia
—

Runways & ILS Approach Data

Detailed dimensions and verified landing frequencies.

Runway 03 / 21
ILSLIGHTED
Length: 5,500 ft / 1,676 m
Surface: Asphalt
Heading: 30° / 210°
RWY 03
111.15 MHz
ID: JNX | CRS: 32°
RWY 21
No ILS

Communication Frequencies

ATC and advisory channels.

A/D RALEIGH APP/DEP
125.30 MHz
UNIC CTAF/UNICOM
122.80 MHz

Nearby Airports

Alternatives in the vicinity.

KGSB ILS
Seymour Johnson Air Force Base
45 km
KRDU ILS
Raleigh Durham International Airport
52 km
KRWI ILS
Rocky Mount Wilson Regional Airport
57 km
KFBG
Simmons Army Air Field
67 km
KPOB ILS
Pope Field
70 km

Data Source: OurAirports · Technical Briefing Jan 2026
ILS Data Source: AIP / FAA NASR Cycle Verified