COM

The concept of call sign confusion and particularly the use of alphanumeric call signs are investigated by IFATCA. IFATCA Policy is: To reduce the possibility of call sign confusion: Call signs that correspond to the last two designators of both … Continued

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

Other means of communication such as Controller to Pilot Datalink Communications (CPDLC) may present challenges if used in airspace with many time-critical clearances and communications. The current systems are too limited to deal with environments in which the majority of … Continued

The blocking of frequencies by inadvertent transmissions is a very real operational problem. A flight deck based technical solution has now been developed but implementation is very limited. IFATCA Policy is: Any device designed to prevent inadvertent transmissions from blocking … Continued