How long must a pilot log their flight time according to FARs?

According to the Federal Aviation Regulations, there is no specific time limit indicating how long a pilot must log their flight time. However, pilots are required to maintain their flight records for a minimum of 3 years after the date of the flight. This requirement ensures that pilots have accessible documentation of their flight experience, which may be needed for various reasons, such as applying for new certifications, meeting insurance requirements, or if requested during an FAA audit or investigation.

Choosing this option highlights the importance of record-keeping in aviation, not only for regulatory compliance but also for pilots' future opportunities and safety considerations. It underscores the need for pilots to understand that their flight logs are crucial documents that must be maintained for a designated period, albeit not indefinitely.

Other options suggest longer retention periods or incorrect requirements that are not enforced by the FAA. For example, the option implying a 5-year retention period does not align with FAR regulations, which explicitly state the 3-year minimum. The notion of annual submissions of logs to the FAA or that flight time does not require logging for private pilots are also misleading in the context of regulations governing pilot duties and responsibilities.