When must IAFDOF color coding be deleted?

The correct response pertains to the specific operational protocol regarding the deletion of IAFDOF (In-Flight Operation Data) color coding. Deleting the color coding after coordination or upon determining that a Letter of Agreement (LOA) altitude overrides the IAFDOF highlights the importance of accuracy and adherence to established agreements in air traffic management.

When an altitude specified in an LOA takes precedence over the operational reference provided by the IAFDOF, it becomes essential to ensure that the information displayed is current and relevant to the flight's ongoing operations. This action prevents confusion and potential safety issues by ensuring that the controllers and other personnel involved are working with the most accurate and relevant data applicable to the aircraft's current flight path and procedural requirements.

This protocol underscores the dynamic nature of air traffic control, where changes and real-time decisions need to be communicated clearly through up-to-date information, thus enhancing overall flight safety and operational efficiency.