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AA.VIII.A.K1FAA-S-ACS-11A · Nov 2023Knowledge

Parking, shutdown, securing, and postflight inspection.

ACS element text (the applicant demonstrates understanding of)

Parking, shutdown, securing, and postflight inspection.

Bottom line

A flight is not complete until the engine is shut down and the airplane is secured. The pilot should always use the procedures in the airplane’s AFM/POH shutdown checklist for shutting down the engine and securing the airplane.

Key numbers

Key numbers for Parking, shutdown, securing, and postflight inspection.
NumberWhat it means
IDLE or 1,000 rpmThrottle at shutdown
observe manufacturer's spool down procedureTurbocharged engines

FAA references

  1. AFH ch. 2 (pp. 2-22–2-23) — FAA-H-8083-3C
  2. RMH ch. 3 (p. 3-4) — FAA-H-8083-2A
  3. AIM 2-3-15 (Security Identification Display Area (SIDA)) — AIM Basic 2/20/25 w/ Change 1 (8/7/25) & Change 2 (1/22/26)
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