COM

The introduction of 8.33 kHz can have a major impact on the ATC system. There is the possibility of non-equipped aircraft entering 8.33 kHz, with the increased possibility of frequency blocking, and the additional workload placed on controllers both around … Continued

Some radios have a sleep mode that causes communication failures without being noticed. This results in serious security and cost issues for the military. Radio communication failure is a rare occurrence, but it can result in undesirable situations. Present ICAO … Continued