Discussion
Arrange the steps of using a head-up display on an approach in order:
1. The display is aligned and its symbology verified before descent
2. The flight path vector is placed on the touchdown zone
3. Deviation symbology is kept centred through the descent
4. The runway becomes visible through the combiner
5. The pilot transitions to the visual scene for landing
Select the correct sequence.
Answer: C
Correct answer: 1, 2, 3, 4, 5
The sequence follows the approach. The display is aligned and its symbology verified before descent (1), since conformal symbols are worthless if the alignment is wrong. The flight path vector is then placed on the touchdown zone (2), which sets the aircraft on the correct trajectory directly.
Deviation symbology is kept centred through the descent (3), the runway becomes visible through the combiner (4), and the pilot transitions to the visual scene for landing (5). The head-up display makes that last transition seamless, since the eyes never left the outside world.
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