What is included in the calculation of TODA?

The calculation of Take-Off Distance Available (TODA) ensures that pilots understand the total distance required for an aircraft to take off safely, and this includes the length of the runway along with the clearway. The clearway is an area beyond the end of the runway that is free of obstacles and can be used to increase the total take-off distance, providing additional margin for safety during the critical take-off phase.

By including both the runway length and the clearway, TODA takes into account the maximum distance an aircraft can utilize for an effective take-off. This combination is essential for determining whether an aircraft can safely achieve the necessary speed and altitude within the available space when factoring in performance limitations, especially in scenarios involving gradients or weight considerations.

Other options might suggest factors that do not accurately represent the definition of TODA, such as distances to terminal buildings or only considering obstacles without accounting for safety margins provided by a clearway. Understanding this calculation is crucial for safety and operational planning in aviation.