Who gives the signal that it is okay to remove the chocks?

The correct answer is the Captain because the Captain is ultimately responsible for the safety and operations of the aircraft. This includes ensuring that all ground procedures are followed correctly before the aircraft can be moved.

When it comes to removing the chocks, which are used to prevent the aircraft from rolling while stationary, the Captain will typically issue the signal to remove them. This decision is based on thorough communication with the ground crew and confirmation that all necessary checks have been completed, ensuring it is safe to proceed. The authority of the Captain in this context is critical, as they have the training and oversight required to manage the aircraft and its movement safely.

Other roles, such as the Ground Crew, Flight Attendant, and Safety Supervisor, while important in their respective duties, do not have the same level of authority when it comes to signaling the removal of chocks. They may assist in the process but ultimately follow the Captain's direction regarding the aircraft's movement.