AA.I.C.K4FAA-S-ACS-11A · Nov 2023Knowledge

Flight deck displays of digital weather and aeronautical information, their use to navi...

ACS element text (the applicant demonstrates understanding of)

Flight deck displays of digital weather and aeronautical information, their use to navigate around weather, and equipment limitations.

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Key numbers

Key numbers for Flight deck displays of digital weather and aeronautical information, their use to navi...
NumberWhat it means
20 nm minimum distanceThunderstorm
6 AM to 10 PM local, above 5,000 ft AGLFlight Watch
122.0 MHzFlight Watch freq
150 nm radiusHIWAS area
3 °C or less spreadFog risk

FAA references

  1. AC 91-92, paras. 5.2, 8.1, 8.2 — AC No: 91-92
  2. AC 91-74, para. 5-8 — AC No: 91-74A
  3. AC 91-74, para. 1-7 — AC No: 91-74A
  4. AC 61-138, para. 14.2.1.1 — AC No: 61-138A
  5. AC 61-138 Appendix 2, Sample Demonstrations, and Appendix 3, Sample — AC No: 61-138A
  6. AC 61-107, para. 2-6 — AC No: 61-107B
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