AA.II.A.K3FAA-S-ACS-11A · Nov 2023Knowledge

Preventive maintenance that can be performed by the pilot or other designated crewmember.

ACS element text (the applicant demonstrates understanding of)

Preventive maintenance that can be performed by the pilot or other designated crewmember.

Bottom line

Except for holders of a sport pilot certificate, the holder of a pilot certificate issued under part 61 may perform preventive maintenance on any aircraft owned or operated by that pilot which is not used under part 121, 129, or 135. The items that constitute preventive maintenance are listed in appendix A to part 43. Except as provided in paragraphs (b) and (c) of 14 CFR 43.9, each person who performs preventive maintenance on an aircraft must make an entry in the maintenance record containing a description of the work performed and the date of completion.

Key numbers

Key numbers for Preventive maintenance that can be performed by the pilot or other designated crewmember.
NumberWhat it means
Part 61 pilot: aircraft owned or operated by that pilot, not used under part 121, 129, or 135Pilot authority
Aircraft owned or operated by that pilot with a special airworthiness certificate in the light-sport categorySport pilot
Appendix A to part 43Where listed

FAA references

  1. 14 CFR 43.3 (Persons authorized to perform maintenance, preventive maintenance, rebuilding, and alterations.) — eCFR current as of 2026-03-05
  2. 14 CFR 43.9 (Content, form, and disposition of maintenance, preventive maintenance, rebuilding, and alteration records (except inspections performed in accordance with part 91, part 125, § 135.411(a)(1), and § 135.419 of this chapter).) — eCFR current as of 2026-03-05
Members lesson

Build understanding you can use

Unlock the full lesson and continue studying this element.

  • Full teaching sections: What it is; Key points; Rules and numbers; How it is done
  • Check your understanding with answers you can reveal
  • Common mistakes paired with the FAA facts that correct them
View membership options