Which of the following is NOT a pitot-static instrument?

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Multiple Choice

Which of the following is NOT a pitot-static instrument?

Pitot-static instruments rely on pressure readings from the pitot tube and static port to determine air data: airspeed, altitude, and vertical speed. The airspeed indicator uses the dynamic pressure from the pitot tube along with static pressure to show indicated airspeed. The altimeter uses static pressure alone to infer altitude. The vertical speed indicator measures how quickly the static pressure is changing to show climb or descent rate. The attitude indicator, however, is based on a gyroscope and provides the aircraft’s orientation relative to the horizon, independent of air pressure readings. So it is not a pitot-static instrument.

Pitot-static instruments rely on pressure readings from the pitot tube and static port to determine air data: airspeed, altitude, and vertical speed. The airspeed indicator uses the dynamic pressure from the pitot tube along with static pressure to show indicated airspeed. The altimeter uses static pressure alone to infer altitude. The vertical speed indicator measures how quickly the static pressure is changing to show climb or descent rate. The attitude indicator, however, is based on a gyroscope and provides the aircraft’s orientation relative to the horizon, independent of air pressure readings. So it is not a pitot-static instrument.

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