After advising ATC that you are on the downwind leg, what will ATC inform you if there is other traffic in the circuit?

When you inform Air Traffic Control (ATC) that you are on the downwind leg of the traffic pattern, it is critical for safe and efficient traffic management that you receive information regarding your position relative to other aircraft. In this context, ATC will typically inform you of your number in the approach sequence. This means you will be told where you stand in relation to other aircraft that are making their approach to land.

This information is crucial because it helps you understand your priority in landing and allows you to make informed decisions regarding your approach, such as adjusting your speed or altitude as needed. Knowing your position in the sequence ensures that you can maintain safe separation from other aircraft and will inform you when to expect landing clearance.

In contrast, while altitude and speed, weather conditions, and expected flight duration are all important aspects of a flight, they do not directly address the immediate concern of avoiding conflicts with other traffic in the traffic pattern. Therefore, the focus is on the sequence to ensure safe operations within the controlled airspace.