Which statement is true about cycle definitions?

Which statement is true about cycle definitions?

• A. A flight cycle is a full sequence from start to landing; an engine cycle is the complete sequence from start to shutdown
• B. A flight cycle is the same as flight time
• C. An engine cycle includes only maintenance checks
• D. A flight cycle includes landing only

Answer: (A)

Cycle definitions focus on a complete sequence of operations for a system. A flight cycle encompasses the entire mission from the aircraft’s initial state before takeoff through takeoff, the flight itself, and landing. An engine cycle covers the whole process of starting the engine and running it through to shutdown. This is why the statement is true: it accurately describes full sequences for both flight and engine, not just a duration or partial actions. The other options mix up what a cycle represents—flight time is only how long the flight lasts, an engine cycle isn’t limited to maintenance checks, and a flight cycle isn’t just landing.

Cycle definitions focus on a complete sequence of operations for a system. A flight cycle encompasses the entire mission from the aircraft’s initial state before takeoff through takeoff, the flight itself, and landing. An engine cycle covers the whole process of starting the engine and running it through to shutdown. This is why the statement is true: it accurately describes full sequences for both flight and engine, not just a duration or partial actions. The other options mix up what a cycle represents—flight time is only how long the flight lasts, an engine cycle isn’t limited to maintenance checks, and a flight cycle isn’t just landing.