Final answer:
Annual flight hours refer to the number of hours a pilot flies in a year. CEFIP requirements are necessary for flight instructors to maintain proficiency.
Step-by-step explanation:
Annual flight hours refers to the total number of hours a pilot spends flying an aircraft in a year. It is an important metric to assess a pilot's experience and proficiency. The more flight hours a pilot has, the more skilled and knowledgeable they usually are.
CEFIP stands for Civilian Flight Instructor Proficiency. It is a requirement for flight instructors to maintain a certain level of proficiency and knowledge to ensure the safety and effectiveness of flight training. CEFIP requirements typically involve periodic evaluations and continuing education.