What signifies that a handoff has been "stolen" during air traffic control?

In air traffic control, the term "stolen" handoff refers to a situation where an incoming controller has acknowledged the handoff of an aircraft, typically by responding with a specific phrase or procedure. The phrase "/OK" is a response that indicates acceptance of an aircraft's handoff, signifying that the aircraft is now under the control of the new facility.

When the accepting position responds with "/OK," it demonstrates that they have received the transfer of responsibility for the aircraft and have officially taken control of its flight. This process is crucial for maintaining safe and efficient air traffic management, as it clearly indicates which controller is responsible for the aircraft at any given time.

In contrast, a delayed or canceled handoff could imply communication issues or changes in flight plans, but these do not indicate that the aircraft is under the new controller's responsibility. Thus, the use of "/OK" is specific to confirming that the handoff is accepted, marking a successful transition of control.