CA.I.D.K1aFAA-S-ACS-7B · Nov 2023Knowledge

a. Use of an electronic flight bag (EFB), if used

ACS element text (the applicant demonstrates understanding of)

Route planning, including consideration of different classes and special use airspace (SUA) and selection of appropriate and available navigation/communication systems and facilities. a. Use of an electronic flight bag (EFB), if used

Bottom line

Before any cross-country flight, check the charts for airports or suitable landing areas along or near the route of flight.

Key numbers

Key numbers for a. Use of an electronic flight bag (EFB), if used
NumberWhat it means
At least 2 independent electronic navigation unitsOverwater nav
Two transmitters, two microphones, two headsets or one headset and one speaker, and two independent receiversOverwater comm

FAA references

  1. PHAK ch. 16 (p. 16-34) — FAA-H-8083-25C (2023)
  2. 14 CFR 91.511 (Communication and navigation equipment for overwater operations.) — eCFR current as of 2026-03-05
  3. RMH Glossary — FAA-H-8083-2A
  4. 14 CFR 91.21 (Portable electronic devices.) — eCFR current as of 2026-03-05
  5. PHAK ch. 16 (p. 16-17) — FAA-H-8083-25C (2023)
  6. PHAK ch. 13 (p. 13-24) — FAA-H-8083-25C (2023)
  7. AFH ch. 11 (p. 11-8) — FAA-H-8083-3C
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