Can the area behind a displaced threshold be utilized for takeoff?

The area behind a displaced threshold can indeed be utilized for takeoff, but its use is restricted when it comes to landing. A displaced threshold is an area at the beginning of a runway that is moved further along the runway for specific reasons, such as safety or obstacles. When a threshold is displaced, it indicates that the portion of the runway before the threshold is not available for landing, but that does not prevent aircraft from using the area behind it for takeoff.

This is why the correct answer is that the area behind a displaced threshold can be utilized for takeoff. It is important for pilots to be aware of the specific runway markings and regulations in order to ensure safe operating procedures. The other options suggest either more stringent restrictions on usage for takeoff or imply that the space is unusable altogether, which does not align with aviation regulations regarding displaced thresholds.