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IR.II.B.R5FAA-S-ACS-8C · Nov 2023Risk management

Use of navigation databases.

ACS element text (the applicant demonstrates understanding of)

Use of navigation databases.

Bottom line

If there is not a current database in the receiver, disregard the moving map display when making critical navigation decisions. Numerous pilots have ventured into airspace they were trying to avoid by using an outdated database.

FAA references

  1. PHAK ch. 16 (p. 16-32) — FAA-H-8083-25C (2023)
  2. AC 91-78 ch. 20 , Electronic Aeronautical Chart Display. — AC No: 91-78A
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