Which of the following could be an example of an SOP in aviation?

Standard Operating Procedures (SOPs) in aviation are essential guidelines established to ensure safety, efficiency, and consistency in operations. They serve as a framework for crew members and ground staff to follow in their daily operations.

Emergency evacuation procedures are a vital component of SOPs, detailing specific actions to take in case of an emergency. These procedures are crucial for ensuring passenger safety and operational effectiveness during critical situations.

Flight plan documentation is another significant example of an SOP. It outlines the necessary steps for preparing and filing a flight plan, ensuring compliance with regulatory standards and establishing a clear plan for flight operations. Accurate flight planning enhances safety and coordination among different parties involved in a flight.

Passenger boarding protocols also fall under the umbrella of SOPs. These protocols facilitate orderly and timely boarding, enhance customer service, and contribute to overall operational efficiency. They are critical in managing the flow of passengers and ensuring that the boarding process runs smoothly.

Given that all of these examples represent essential operational guidelines that contribute to the safe and efficient functioning of aviation, the option indicating that all could be examples of SOPs is indeed accurate.