Realize that in radio electronics, you get what you pay for. A scanner from one of the aforementioned brands will outperform a no-name brand that claims airline coverage. Most scanners pick up the entirety of the aircraft band. You can also listen to air traffic control facilities from around the world at websites including liveatc. net, globalair. com, airnav. com and radioreference. com.
121. 5 is the emergency frequency. If there is some sort of emergency, pilots will transmit on it. You could also hear an emergency locator beacon on this frequency if a plane crashes. 122. 750 MHz is the frequency for general aviation air to air communications 123. 025 MHz is the frequency for helicopters air to air communications 123. 450 MHz is the “unofficial” frequency for air to air communications Search 122. 0-123. 65 for Unicom (uncontrolled airports) and air to air communications. Search 128. 825-132. 000 MHz for ARINC frequencies (airlines, corporate aviation and general aviation calling ahead for fuel, parking, and other requests).
