Figure 7: Attitude indicator

2 FAA questions that refer to this figure

1. Question 1 · Private Pilot

   (Refer to figure 7.) The proper adjustment to make on the attitude indicator during level flight is to align the

   • A.horizon bar to the level-flight indication.
   • B.horizon bar to the miniature airplane.
   • C.miniature airplane to the horizon bar.
   Show answer and explanation

   Correct: C. miniature airplane to the horizon bar.

   PHAK Chapter 8 explains that the pilot adjusts the attitude indicator in level flight by moving the miniature airplane (C in Figure 7) with the adjustment knob so it is aligned with the horizon bar (B). The horizon bar is driven by the gyro and cannot be adjusted by the pilot.

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2. Question 2 · Private Pilot

   (Refer to figure 7.) How should a pilot determine the direction of bank from an attitude indicator such as the one illustrated?

   • A.By the direction of deflection of the banking scale (A).
   • B.By the direction of deflection of the horizon bar (B).
   • C.By the relationship of the miniature airplane (C) to the deflected horizon bar (B).
   Show answer and explanation

   Correct: C. By the relationship of the miniature airplane (C) to the deflected horizon bar (B).

   On an attitude indicator the direction of bank is read from the relationship of the miniature airplane (C) to the horizon bar (B): in Figure 7 the miniature airplane's right wing is below the horizon line, showing a right bank. The horizon bar and bank pointer move opposite to the bank, so reading their deflection alone is misleading.

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