![]() attempting to establish radio telephony (RT) contact on the last frequency and other radio frequencies established for the flight route.Increased workload in the cockpit - crew must determine the time the RCF occurred and act accordingly by:.Crew may not be immediately aware of the communication loss.It is important to note that the applicable RCF procedures are expected to conform to the established ICAO Standards and Recommended Practices (SARPS) and Procedures ( See the list of ICAO documents in Further Reading for detailed list of factors and circumstances leading to RCF, see the dedicated SKYbrary article: Loss of Communication) Anticipated Impact on CrewĪ wide range of practical problems could arise following RCF: Airborne or ground radio equipment malfunction.Although the complete loss of communication is an extremely rare event due to duplication of equipment, there are several areas which contribute most commonly to full or partial communication breakdown: RCF is an eventuality that pilots, as well as air traffic controllers, are well prepared to manage. There are some considerations which will enable the controller, not only to provide as much support as possible to the aircraft concerned, but also to maintain the safety of other aircraft in the vicinity and of the ATC service provision in general. This article provides guidance for controllers on what to expect and how to act when dealing with onboard radio communication failure (RCF) situations. ![]() A generic checklist for handling unusual situations is readily available from EUROCONTROL but it is not intended to be exhaustive and is best used in conjunction with local ATC procedures. As with any unusual or emergency situation, controllers should exercise their best judgment and expertise when dealing with the consequences related to radio communication failure (RCF) to aircraft in any stage of flight. There is no set of ready, "out-of-the-box" rules to be followed universally. This article is based on ICAO provisions regarding communication failure as well as on best practices guidance identified by EUROCONTROL.
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