What does Door 9 control on the Super Hornet?

The correct answer is that Door 9 controls the external power hook, canopy, and ladder switch on the Super Hornet. This door is an important part of the aircraft’s ground operations and interface.

The external power hook allows ground personnel to connect external power to start and operate the aircraft's systems without using the internal generators, which is essential for efficient ground handling and maintenance. The canopy switch is critical for operating the cockpit canopy, providing access for pilots and maintenance crew. Lastly, the ladder switch manages the deployment of the crew ladder, facilitating safe entry and exit from the cockpit. Understanding the functionalities associated with Door 9 is vital for flight operations and on-ground safety protocols.