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PA.I.A.R2FAA-S-ACS-6C · Nov 2023Risk management

Flying unfamiliar aircraft or operating with unfamiliar flight display systems and avio...

ACS element text (the applicant demonstrates understanding of)

Flying unfamiliar aircraft or operating with unfamiliar flight display systems and avionics.

Bottom line

A familiar category and class rating does not make every airplane or avionics installation familiar. Before departure, identify the controls, indications and failure modes you will rely on; resolve unfamiliar tasks on the ground or with appropriate training.

FAA references

  1. 14 CFR 61.31 — Current eCFR checked 2026-11-05
  2. 14 CFR 91.9 — Current eCFR checked 2026-11-05
Members lesson

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  • Full teaching sections: Separate legal qualification from familiarization; Prepare for this installation; An unfamiliar navigation source
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