Explain what the "takeoff configuration" check involves.

The "takeoff configuration" check is a critical safety step performed before departing, and it specifically focuses on ensuring that the aircraft is properly set up for takeoff. This involves verifying that flaps, slats, and landing gear are all in the correct positions.

During this check, pilots will confirm that the flaps are extended to the required settings, which provide the necessary lift during the initial phase of takeoff. Slats may also need to be extended to enhance airflow over the wings and assist with lift at lower speeds. Furthermore, it is essential to ensure that the landing gear is in the 'up' position, indicating that the aircraft is ready for a safe and effective takeoff.

This step is crucial for optimizing aircraft performance during takeoff and ensuring adherence to standard operating procedures, ultimately enhancing flight safety.