In an inflight emergency, which statement best describes when a deviation from a checklist is permissible?

• A. It is never permissible.
• B. It is permissible if time allows and a supervisor approves.
• C. It is permissible only under direct instruction from the flight deck or when time-critical action requires rapid nonstandard response and training supports it.
• D. It is permissible as long as the action is within the crew's general scope.

Answer: (C)