What term refers to the pressure in the area immediately surrounding the aircraft?

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Study for the Pilot's Handbook of Aeronautical Knowledge Exam. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

What term refers to the pressure in the area immediately surrounding the aircraft?

Explanation:
Outside air pressure in the air around the aircraft is called ambient (static) pressure. This is the pressure of the undisturbed air in the free stream surrounding the airplane and is what flight instruments reference. It is separate from the pressure inside the cabin, the pressure at the engine intake, or the fuel system pressure. So the term described by the prompt—the pressure in the area immediately surrounding the aircraft—is the ambient (static) pressure.

Outside air pressure in the air around the aircraft is called ambient (static) pressure. This is the pressure of the undisturbed air in the free stream surrounding the airplane and is what flight instruments reference. It is separate from the pressure inside the cabin, the pressure at the engine intake, or the fuel system pressure. So the term described by the prompt—the pressure in the area immediately surrounding the aircraft—is the ambient (static) pressure.

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