Why is situational assessment considered an ongoing process during flight?

Situational assessment is considered an ongoing process during flight primarily because flight conditions can change rapidly. This continuous evaluation allows crew members to adapt to various dynamic factors, including weather changes, air traffic, or unexpected technical issues. By maintaining situational awareness, the crew can make informed decisions that ensure the safety and efficiency of the flight. This ongoing assessment enables them to react promptly to evolving situations, ensuring that safety is always prioritized amidst changing conditions.

While maintaining passenger comfort and complying with regulatory standards are important aspects of flight operations, they are not the primary reasons that situational assessment needs to be ongoing. Reducing flight time, while beneficial, is not a factor that drives the necessity for constant situational assessment. Thus, the correct choice emphasizes the need for crews to remain vigilant and responsive to changes that occur during the flight.