What should a pilot be informed of when the arresting system operation has been requested?

When the arresting system operation has been requested, it is crucial for the pilot to be informed about the indicated barrier or cable position. This information is vital because it tells the pilot whether the arresting system is ready to be deployed and effectively positioned for the landing of the aircraft. Knowing the exact position allows the pilot to make informed decisions regarding their approach and landing procedures, particularly regarding speed and threshold adjustments, since the functionality of the arresting system directly influences landing safety during an emergency or practice scenario.

Focusing on the other options helps clarify why they are less critical in this specific context. For instance, while the status of maintenance crews, arrival times, and weather conditions are all important operational considerations, they do not directly influence the immediate action of the pilot concerning the arresting system itself. The barrier or cable position, however, directly relates to the operational readiness of that system during the landing phase, making it the most pertinent information for the pilot to possess in this situation.