How often must flightcrew members receive fatigue education and awareness training?

Flightcrew members must receive fatigue education and awareness training annually to ensure that they are well-informed about the effects of fatigue on performance and safety. This training is crucial because it not only covers the biological and environmental factors that contribute to fatigue, but it also provides strategies for managing fatigue effectively.

Annual training helps reinforce the importance of recognizing signs of fatigue and the necessity of reporting and addressing them. Additionally, it aligns with regulatory requirements that aim to enhance safety in aviation operations by ensuring that all flightcrew and related operational personnel are consistently educated on this critical aspect of flight safety.

The other options suggest varying frequencies for training that do not meet the established requirements for flightcrew members, undermining the need for regular updates on fatigue management.