What is the CTAF frequency at 4B1?

Duanesburg Airport's CTAF frequency is 123.0.

Duanesburg Airport frequencies

Radio frequencies for Duanesburg Airport (4B1) in Duanesburg, NY — tower, ground, ATIS, CTAF, and approach/departure for your radio setup.

CTAF	123.0
UNICOM	123.0

Frequencies from FAA NASR. For planning and education only; always verify against official sources.