Islesboro Airport frequencies
Islesboro Airport (57B) in Islesboro, ME has no control tower, so nobody is sequencing traffic here — you announce your own position on 122.9. Every frequency below is in the order you tune it. · Open on the map
All of Islesboro Airport — runways, frequencies, charts and live weatherTaxi & takeoff
- CTAF 122.9
- 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.
Departure & arrival Bangor
- App/Dep 118.925
- 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 122.9
Nobody is sequencing traffic at 57B, 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 — 122.9 is not unique to Islesboro Airport.
- Inbound, 10 miles out
Islesboro traffic, Skyhawk one two three four five, one zero miles south, inbound landing runway 01, Islesboro.
- Entering the pattern
Islesboro traffic, Skyhawk one two three four five, entering left downwind runway 01, Islesboro.
- Before taking the runway
Islesboro traffic, Skyhawk one two three four five, departing runway 01, Islesboro.
Pattern direction is not always left here — check the 57B traffic pattern before you announce a leg. The Chart Supplement is authoritative if 57B publishes a call name that differs from the airport's. Full guidance →
Every 57B frequency, as one table
| CTAF | 122.9 |
|---|---|
| App/Dep | 118.925 |
Frequently asked
What is the CTAF at 57B?
Islesboro Airport is non towered. The common traffic advisory frequency is 122.9 — announce your position and intentions on entry and on each leg of the pattern.
What is the approach frequency for 57B?
App/Dep for Islesboro Airport is 118.925, working as "Bangor". Call inbound for flight following or to begin an instrument approach.
More about 57B
Frequencies from FAA NASR. For planning and education only; always verify against official sources.