What is the required frequency for recurring training on infrequently maintained systems?

The correct frequency for recurring training on infrequently maintained systems is six months. This periodic training is essential because infrequently maintained systems may not be used regularly, and the personnel must stay updated on the proper procedures and safety measures associated with these systems. Recurring training at this interval ensures that aircrew members retain critical knowledge and skills necessary to operate and troubleshoot these systems effectively, promoting safety and efficiency in operations.

Maintaining a six-month training cycle strikes a balance between providing sufficient refreshers and not overwhelming personnel with too frequent training sessions that can lead to diminishing returns on learning retention. Therefore, this frequency supports mission readiness and compliance with standards in aircrew flight equipment maintenance.