When should communication be transferred to the receiving controller?

Communication should be transferred to the receiving controller after the handoff has been accepted and just before the aircraft enters their controlled airspace. This process is critical for ensuring a smooth transition of control and maintaining situational awareness for both controllers and pilots.

When the handoff is accepted, it signifies that the receiving controller is aware of the aircraft's details and is prepared to take over communications. This step is crucial as it allows the receiving controller to begin advising the aircraft on their new clearance, ensuring that there is no gap in communication. By performing the transfer in this manner, it ensures compliance with air traffic control protocols, enhances operational safety, and facilitates continuous coverage for the aircraft as it approaches new airspace.

Other options do not align with standard procedures. For instance, transferring communication after a handoff is declined would likely leave the aircraft without proper guidance and support in the transition period. Similarly, transferring communication before the aircraft enters the controller's airspace, or while the aircraft is cruising in a different airspace, would not follow the established protocol and could result in confusion or lapses in communication.