IR.II.B.R4FAA-S-ACS-8C · Nov 2023Risk management

Use of an electronic flight bag.

ACS element text (the applicant demonstrates understanding of)

Use of an electronic flight bag.

Bottom line

As with paper flight publications, the electronic database needs to be current to provide accurate information regarding NAVAIDS, waypoints, and terminal procedures. Pilots need to be aware that too much information can have a negative effect on their cognitive work load.

FAA references

  1. PHAK ch. 13 (p. 13-24) — FAA-H-8083-25C (2023)
  2. 14 CFR 91.21 (Portable electronic devices.) — eCFR current as of 2026-03-05
  3. AC 91.21-1, para. 7.2.3 — AC No: 91.21-1D
  4. IFH ch. 1 (p. 1-11) — FAA-H-8083-15B
  5. AC 91-78 ch. 20 , Electronic Aeronautical Chart Display. — AC No: 91-78A
  6. AC 90-105, paras. 10.4, 10.6 — AC No: 90-105A
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