What is the best frequency to listen to aircraft?
What is the best frequency to listen to aircraft? The most popular is the 144-MHz (2-meter) band. That's where you'll find a lot of ham radio operators as well as local public safety calls. If you want to hear the civilian aircraft frequencies, you'll want to look for a radio that has the 118 to 136 MHz air band.
Can you listen to aircraft frequencies?
Anyone can use an aviation scanner to hear what's going on in their area. Public airwaves in the US are free to listen to. A few states have restrictions about listening in your vehicle, you can read more about scanner laws in the US.
Is 121.5 still monitored?
As of 2009, the Cospas-Sarsat system terminated monitoring and reception of the 121.5 MHz and 243.0 MHz frequencies.