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The pilot of an aircraft during a VFR flight in a controlled airspace confirms that the aircraft is exactly on the desired track and the ATC instructs him/her to turn left for 30° to avoid conflicting traffic. Two minutes later, the ATC advises: "You are now two miles left off your intended track. Turn right to regain track in 30 miles." What is the heading correction that must done to comply with the ATC instructions?

  • A

    034°

  • B
    044°
  • C
    037°
  • D
    030°
Refer to figure.
The corrections that must be made to the heading are:
  • Degrees to parallel, which is equal to the Track Error Angle, (Angle difference between the required and the actual track), i.e. the track change as instructed by the ATC, 30°.
  • Degrees to intercept after 30 NM: Using your Flight/Nav computer:
  1. Align distance off, 2 NM (20) outer scale, with distance to go, 30 NM inner scale.
  2. Above the black arrow (60), read the degrees to intercept: 4° (40) on outer scale.
Thus, the total correction to the heading is: 30° + 4° = 34°. And since the deviation is to the left, the heading correction must be to the right.

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