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IR.V.B.S3FAA-S-ACS-8C · Nov 2023Skills

Use the current and appropriate paper or electronic navigation publications.

ACS element text (the applicant demonstrates understanding of)

Use the current and appropriate paper or electronic navigation publications.

Bottom line

An ATS route must not be used if the pilot has any reason to doubt the validity of the ATS route in the navigation database. The active flight plan should be checked by comparing the charts (paper or electronic) with the map display (if applicable) and the multipurpose control and display unit (MCDU).

FAA references

  1. AC 90-105, para. 8.4.4 — AC No: 90-105A
  2. AC 90-105 Appendix D — AC No: 90-105A
  3. AC 90-100, para. 4l — AC No: 90-100A
  4. 14 CFR 97.20 (General.) — eCFR current as of 2026-03-05
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