IR.III.A.K2FAA-S-ACS-8C · Nov 2023Knowledge

Pilot-in-Command (PIC) emergency authority.

ACS element text (the applicant demonstrates understanding of)

Pilot-in-Command (PIC) emergency authority.

Bottom line

The pilot in command of an aircraft is directly responsible for, and is the final authority as to, the operation of that aircraft.

Key numbers

Key numbers for Pilot-in-Command (PIC) emergency authority.
NumberWhat it means
within 48 hours, if requested by ATC, for a pilot given priority in an emergencyReport deadline

FAA references

  1. 14 CFR 91.3 (Responsibility and authority of the pilot in command.) — eCFR current as of 2026-03-05
  2. AIM 6-1-1 (Pilot Responsibility and Authority) — AIM Basic 2/20/25 w/ Change 1 (8/7/25) & Change 2 (1/22/26)
  3. 14 CFR 91.123 (Compliance with ATC clearances and instructions.) — eCFR current as of 2026-03-05
  4. IPH App. A (p. A-1) — FAA-H-8083-16B
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