If a controller intends to delay an aircraft, what action should be taken?

The appropriate course of action for a controller intending to delay an aircraft is to advise a supervisor or a Traffic Management Unit (TMU) coordinator. This decision is grounded in the necessity to ensure that any changes in air traffic flow are handled in a coordinated manner, which can involve managing multiple aircraft and considering the broader impact on the airspace and surrounding operational environment.

By notifying a supervisor or TMU coordinator, the controller ensures that the delay is properly documented, and that other traffic control measures can be established if needed to maintain safety and efficiency. This approach supports effective communication and allows for collaborative decision-making, which is crucial during busy air traffic scenarios.

In contrast, immediately notifying the pilot may not provide them sufficient context or information relevant to the delay’s impact on their flight. Waiting until the aircraft is close to a fix could lead to a last-minute situation that may not allow for effective management of the air traffic. Making no notification and merely continuing to monitor the situation could lead to confusion and disrupt the operational flow without appropriate oversight or coordinated management. Thus, informing a supervisor or TMU coordinator is the proactive and responsible way to manage aircraft delays.