Cruising Altitude is defined as?

• A. The height at which an aircraft flies for the majority of flight after ascent and before descent.
• B. The altitude at touchdown.
• C. The altitude during takeoff only.
• D. The altitude of the cabin pressurization.

Answer: (A)

Cruising altitude is the height at which an aircraft flies for the majority of the flight after climbing and before descending. This phase is chosen for efficient, steady-level flight once the plane has cleared the ascent and before it begins its descent into the destination. It isn’t the altitude at touchdown or during takeoff, where climb performance matters, and it isn’t the cabin pressurization level: the cabin is kept at a comfortable, lower equivalent altitude (often around 6,000–8,000 feet) regardless of the outside cruising altitude. So, the statement describing the long, steady period of flight between climb and descent best captures what cruising altitude means.