Princeton frequencies

Princeton (39N) in Princeton/Rocky Hill, NJ has no control tower, so nobody is sequencing traffic here — you announce your own position on 122.725. Every frequency below is in the order you tune it. · Open on the map

All of Princeton — runways, frequencies, charts and live weather

Taxi & takeoff

CTAF 122.725
The common frequency pilots use to announce themselves to each other at a field with no operating control tower. Nobody is controlling traffic — you are self announcing. Report your position and intentions on entry and on each leg of the pattern, and listen well before you transmit.
UNICOM 122.725
A ground station run by the FBO rather than the FAA, for fuel, parking and airport services. Use it for services. Where the field has no separate CTAF, the same frequency doubles as the advisory frequency.

Departure & arrival Newark

App/Dep 132.8
One radar controller working both arrivals and departures — normal at a smaller TRACON. The same frequency takes your climb out and your inbound call.

What to say on 122.725

Nobody is sequencing traffic at 39N, so every call is you telling other aircraft where you are. Open and close with the field name so a pilot tuned to a shared frequency knows which airport you mean — 122.725 is not unique to Princeton.

  • Inbound, 10 miles out Princeton traffic, Skyhawk one two three four five, one zero miles south, inbound landing runway 10, Princeton.
  • Entering the pattern Princeton traffic, Skyhawk one two three four five, entering left downwind runway 10, Princeton.
  • Before taking the runway Princeton traffic, Skyhawk one two three four five, departing runway 10, Princeton.

Pattern direction is not always left here — check the 39N traffic pattern before you announce a leg. The Chart Supplement is authoritative if 39N publishes a call name that differs from the airport's. Full guidance →

By procedure & sector (2 more)
127.6WILKES-BARRE STAR
379.9APCH/P DEP/P, WILKES-BARRE STAR
Every 39N frequency, as one table
CTAF122.725
UNICOM122.725
App/Dep132.8

Frequently asked

What is the CTAF at 39N?

Princeton is non towered. The common traffic advisory frequency is 122.725 — announce your position and intentions on entry and on each leg of the pattern.

What is the approach frequency for 39N?

App/Dep for Princeton is 132.8, working as "Newark". Call inbound for flight following or to begin an instrument approach.