Question

What is meant by reserves?

(a) Fuel used when the route is extended

(b) Fuel used to take-off

(c) Fuel used when in emergency

(d) Fuel used while cruising

I got this question in a national level competition.

Origin of the question is Fixed-Wing Aircraft topic in section Fixed-Wing Aircraft Performance of Aircraft Performance

Answer 1

Correct answer is (c) Fuel used when in emergency

The explanation: The fuel used while the flight is in emergency is known as reserves. Minimum reserves are usually set by the regulatory authorities although the operator may increase them at his/her choice.