Alton Bay Seaplane Base & Ice Rwy frequencies

Alton Bay Seaplane Base & Ice Rwy (B18) in Alton Bay, NH has no control tower, so nobody is sequencing traffic here — you announce your own position on 122.8. Every frequency below is in the order you tune it. · Open on the map

All of Alton Bay Seaplane Base & Ice Rwy — runways, frequencies, charts and live weather

Taxi & takeoff

CTAF 122.8
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 122.8
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.

What to say on 122.8

Nobody is sequencing traffic at B18, 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 — 122.8 is not unique to Alton Bay Seaplane Base & Ice Rwy.

  • Inbound, 10 miles out Alton Bay Seaplane Base & Ice Rwy traffic, Skyhawk one two three four five, one zero miles south, inbound landing runway 01W, Alton Bay Seaplane Base & Ice Rwy.
  • Entering the pattern Alton Bay Seaplane Base & Ice Rwy traffic, Skyhawk one two three four five, entering left downwind runway 01W, Alton Bay Seaplane Base & Ice Rwy.
  • Before taking the runway Alton Bay Seaplane Base & Ice Rwy traffic, Skyhawk one two three four five, departing runway 01W, Alton Bay Seaplane Base & Ice Rwy.

Pattern direction is not always left here — check the B18 traffic pattern before you announce a leg. The Chart Supplement is authoritative if B18 publishes a call name that differs from the airport's. Full guidance →

Every B18 frequency, as one table
CTAF122.8
UNICOM122.8

Frequently asked

What is the CTAF at B18?

Alton Bay Seaplane Base & Ice Rwy is non towered. The common traffic advisory frequency is 122.8 — announce your position and intentions on entry and on each leg of the pattern.