Aircraft Navigation: Attitude Heading Reference System (AHRS) and Gyro Principles

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Questions and Answers

What is the primary function of an Attitude Indicator in an aircraft?

  • To aid in navigation through autopilot systems
  • To calculate aircraft position and velocity
  • To provide weather radar information
  • To provide attitude information to aircraft systems (correct)

What is the maximum acceptable precession of a heading indicator during a 15-minute period?

  • 5 degrees
  • 10 degrees
  • 3 degrees (correct)
  • 1 degree

What can cause a slight pitch up indication on an Attitude Indicator?

  • Banking more than 100 degrees
  • Decelerations
  • Pitching more than 60 degrees
  • Accelerations (correct)

What is the term for the degradation of an Inertial Reference Unit's (IRU) calculations over time?

<p>Drift (D)</p> Signup and view all the answers

What does an Inertial Reference Unit (IRU) primarily consist of?

<p>Gyros and accelerometers (A)</p> Signup and view all the answers

What is the primary purpose of a Heading Indicator in an aircraft?

<p>To aid the pilot in navigation (B)</p> Signup and view all the answers

What is the primary function of the heading indicator?

<p>To provide directional information (C)</p> Signup and view all the answers

What is the principle of operation of the heading indicator?

<p>Gyroscopic precession (B)</p> Signup and view all the answers

What is the purpose of the ball in a turn coordinator?

<p>To deflect outward from the turn (D)</p> Signup and view all the answers

What is the primary benefit of a horizontal situational indicator?

<p>It combines navigation and heading instruments into one (D)</p> Signup and view all the answers

What should the preflight actions indicate during taxi turns?

<p>A bank in the direction of the turn (C)</p> Signup and view all the answers

What is the name of the window on the altimeter that allows for adjustments in barometric pressure?

<p>Kolisman window (D)</p> Signup and view all the answers

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