Which statement best describes rest periods?

• A. They can be reduced at the discretion of the captain
• B. They are always reduced during delays
• C. They are not reducible
• D. They must be extended in all cases

Answer: (C)

Rest periods are a regulatory minimum designed to ensure pilots have enough recovery time between duty periods. Because they’re a safety buffer, they cannot be shortened by captain discretion or by scheduling preferences. Even if delays occur, the minimum rest remains in place and may be extended if needed to meet safety requirements, but it isn’t reduced to fit a tighter timetable. That safety-focused protection is why the statement that rest periods are not reducible is the best choice. The other ideas imply reducing rest, automatically shortening it due to delays, or requiring extension in every case, which do not align with fatigue management rules.