How often are Second-in-Command (SIC) pilots checked for recurrent training?

The correct answer indicates that Second-in-Command (SIC) pilots are required to undergo recurrent training every 12 months. This timeframe is set to ensure that SIC pilots maintain their proficiency and familiarity with aircraft systems, operational procedures, and safety protocols. Annual recurrent training serves as a critical component for ensuring both the readiness of the pilots and the safety of the operation. This regular training helps to mitigate skill degradation over time, which is essential in aviation where operational environments can constantly change. By enforcing a yearly training schedule, organizations can ensure that pilots are up-to-date with the latest regulatory standards and best practices, which is crucial, especially in a dynamic and potentially hazardous field like aviation.