Question

The gradient of descent is ____

(a) 15%

(b) 11%

(c) 5%

(d) 18%

I have been asked this question during an interview for a job.

The origin of the question is Descent Performance in Aircraft Operations in division Climb and Descent Performance of Aircraft Performance

Answer 1

Correct choice is (c) 5%

Easiest explanation: The gradient of descent is 3° or 5%. Smaller transport aircraft are capable of descending in a steeper way which are depending on the condition like restricted approach path and separation of airport traffic arrivals.