Multiple choice

Which of the following instruments works with the help of pitot-static system?

  1. Altimeter

  2. Directional gyro

  3. TSI

  4. GPS
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A Correct answer
Explanation

The pitot-static system connects to the pitot tube (measuring ram air pressure) and static port (measuring ambient pressure). Instruments using this system include the altimeter, vertical speed indicator, and airspeed indicator. The alteter uses static pressure only. Directional gyro is gyroscopic, TSI is turbine-based, and GPS is satellite-based.

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