Multiple choice

LDA differs from a localizer due to the fact that it is

  1. not aligned to the runway

  2. situated on the runway

  3. occasionally absent

  4. None of these
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A Correct answer
Explanation

LDA (Localizer-Type Directional Aid) differs from a standard localizer because it is not aligned with the runway centerline. An LDA provides lateral guidance similar to a localizer but is offset at an angle to the runway, typically up to 30 degrees, requiring pilots to make a visual alignment maneuver after intercepting the approach course.

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