airport operationsFAA-published sample question (IRA, Aug 2021)
(Refer to FAA-CT-8080-3F, Figure 136.) An 'on glidepath' indication is
FAA Figure 136Precision approach path indicator (PAPI)FAA-CT-8080-3F · Instrument Rating supplement
A
8
B
10✓ Correct Answer
C
11
Explanation
A four-light PAPI shows on glide path when the two outer lights are white and the two inner lights are red (AIM 2-1-2). In Figure 136, that is indication 10 (two white, two red). Indication 8 (four white) is well above the glide path, and 11 (one white, three red) is slightly below it.
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