What must aircraft be secured with before takeoff?

Prepare for the Aviation Boatswain's Mate – Handling Test. Use flashcards and multiple-choice questions to study. Get exam-ready with hints and explanations for each question!

Before takeoff, aircraft must be secured with intermediate tie-downs and chocks to ensure safety and stability. Intermediate tie-downs provide a secure method of attachment to the ground, helping to prevent any movement caused by wind or vibrations. They are particularly important in ensuring that the aircraft remains in its designated position during the critical phases before takeoff. Chocks further enhance this security by physically blocking the wheels, preventing any accidental rolling of the aircraft.

While chocks alone may seem adequate, they do not provide the necessary support and stabilization that intermediate tie-downs offer, especially for larger aircraft subject to environmental forces. Therefore, relying solely on chocks or any other single method of securing the aircraft would not meet the safety standards required for pre-flight security. The combination of both intermediate tie-downs and chocks creates a robust system to secure the aircraft adequately, making it the correct answer.