Airports / KJNX

KJNX — Johnston Regional Airport

Smithfield, US-NC · US · 164 ft MSL

IFR Capable

Runways

1 runway · longest 5,500'

03 / 21 Lighted

5,500' × 100'

Surface: Asphalt Headings: 30° / 210° T

A/D 125.300 RALEIGH APP/DEP

UNIC 122.800 CTAF/UNICOM

Select an aircraft to see density altitude estimates

Look up by Tail Number (N-Number) — auto-fills make & model

or select make & model manually

Manufacturer

Model

Outside Air Temp (°C) — blank = ISA standard

What you'll get:

· Density altitude calculation

· Power retained at this elevation/temperature

· Estimated takeoff roll increase

· Climb rate estimate

· Full scenario table (ISA-10 through ISA+40)

Elevation164' MSL

Longest Runway5,500'

SurfaceASP

Coordinates 35.541, -78.390

Landing fee unknown

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