AA.VI.E.K2FAA-S-ACS-11A · Nov 2023Knowledge
Navigation system displays, annunciations, and modes of operation.
Navigation system displays, annunciations, and modes of operation.
Bottom line
A display panel normally integrated into the primary flight display that shows the current status and operating functions of the autopilot or flight director.
Key numbers
| Number | What it means |
|---|---|
| 30 NM straight line distance from the airport/heliport reference point | GPS arm |
| ±1 NM within 30 NM of the airport/heliport reference point | Terminal CDI |
| 100 feet above touchdown zone elevation and below | EFVS visual ref |
FAA references
- RMH Glossary — FAA-H-8083-2A
- RMH ch. 7 (pp. 7-2–7-3) — FAA-H-8083-2A
- IFH ch. 9 (pp. 9-30–9-31) — FAA-H-8083-15B
- 14 CFR 91.176 (Straight-in landing operations below DA/DH or MDA using an enhanced flight vision system (EFVS) under IFR.) — eCFR current as of 2026-03-05
- AFH ch. 13 (p. 13-8) — FAA-H-8083-3C
- IPH ch. 5 (p. 5-9) — FAA-H-8083-16B
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