What is required before practicing simulated emergency flight procedures?

Prior to practicing simulated emergency flight procedures, it is crucial to ensure that passengers are not on board the aircraft. This requirement is in place primarily for safety reasons, as practicing emergencies can involve maneuvers or scenarios that could pose risks to anyone who is not specifically trained and prepared for such situations.

Simulated emergency operations can include actions like engine failure, rapid descents, and other scenarios that might lead to sudden movements or changes to the aircraft's behavior, which can be alarming to untrained individuals. By conducting these procedures without passengers, the crew can focus entirely on the task at hand, ensuring that they can practice emergency protocols effectively, safely, and without distraction. This approach aligns with standard operating procedures in aviation to maintain the highest levels of pilot training and passenger safety.

While pre-flight inspections, air traffic control clearances, and the presence of passengers are important components of overall flight operations, they do not directly address the specific safety concerns related to practicing emergency procedures.