Why must the evacuation assistance means be ready for deployment?

The primary reason evacuation assistance means must be ready for deployment is to ensure the safety and efficiency of emergency evacuations. In the event of an emergency situation, such as a fire or mechanical failure, rapid evacuation of passengers and crew can be crucial to preventing injuries or fatalities. When evacuation assistance, such as slides or other emergency exit devices, is ready and appropriately positioned, it allows for a swift and orderly exit from the aircraft. This preparedness can significantly reduce the risks associated with emergency situations, making it essential for aviation safety protocols.

While maintenance of cabin pressure and other operational factors, such as servicing passengers and baggage handling, are important aspects of aircraft operation, they do not directly relate to the immediate needs of ensuring a safe evacuation during emergencies.