Cape Cod Airport frequencies
Cape Cod Airport (2B1) in Marston Mills, MA 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 Cape Cod 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 Boston
- App/Dep 118.2
- 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 2B1, 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 Cape Cod Airport.
- Inbound, 10 miles out
Cape Cod traffic, Skyhawk one two three four five, one zero miles south, inbound landing runway 05, Cape Cod.
- Entering the pattern
Cape Cod traffic, Skyhawk one two three four five, entering left downwind runway 05, Cape Cod.
- Before taking the runway
Cape Cod traffic, Skyhawk one two three four five, departing runway 05, Cape Cod.
Pattern direction is not always left here — check the 2B1 traffic pattern before you announce a leg. The Chart Supplement is authoritative if 2B1 publishes a call name that differs from the airport's. Full guidance →
Every 2B1 frequency, as one table
| CTAF | 122.9 |
|---|---|
| App/Dep | 118.2 |
Frequently asked
What is the CTAF at 2B1?
Cape Cod 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 2B1?
App/Dep for Cape Cod Airport is 118.2, working as "Boston". Call inbound for flight following or to begin an instrument approach.
More about 2B1
Frequencies from FAA NASR. For planning and education only; always verify against official sources.