Half Moon Bay Airport frequencies
Half Moon Bay Airport (HAF · KHAF) in Half Moon Bay, CA 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 Half Moon Bay Airport — runways, frequencies, charts and live weatherBefore taxi
- ASOS/AWOS 127.275
- An automated weather station reading the field conditions aloud — wind, visibility, ceiling, temperature and altimeter. It replaces ATIS at a field with no controller to record one. Get the altimeter setting before you descend below the transition altitude.
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.
Departure & arrival Norcal
- App/Dep 135.1
- 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 122.8
Nobody is sequencing traffic at KHAF, 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 Half Moon Bay Airport.
- Inbound, 10 miles out
Half Moon Bay traffic, Skyhawk one two three four five, one zero miles south, inbound landing runway 12, Half Moon Bay.
- Entering the pattern
Half Moon Bay traffic, Skyhawk one two three four five, entering left downwind runway 12, Half Moon Bay.
- Before taking the runway
Half Moon Bay traffic, Skyhawk one two three four five, departing runway 12, Half Moon Bay.
Pattern direction is not always left here — check the KHAF traffic pattern before you announce a leg. The Chart Supplement is authoritative if KHAF publishes a call name that differs from the airport's. Full guidance →
By procedure & sector (1 more)
| 307.2 | APCH/P DEP/P |
|---|
Every KHAF frequency, as one table
| ASOS/AWOS | 127.275 |
|---|---|
| CTAF | 122.8 |
| UNICOM | 122.8 |
| App/Dep | 135.1 |
Frequently asked
What is the CTAF at KHAF?
Half Moon Bay Airport 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.
What is the ASOS/AWOS frequency at KHAF?
ASOS/AWOS at Half Moon Bay Airport is 127.275. It is an automated broadcast, so there is no letter to report — just take the altimeter setting and wind.
What is the approach frequency for KHAF?
App/Dep for Half Moon Bay Airport is 135.1, working as "Norcal". Call inbound for flight following or to begin an instrument approach.
More about KHAF
Frequencies from FAA NASR. For planning and education only; always verify against official sources.