AA.III.I.K2FAA-S-ACS-11A · Nov 2023Knowledge

Safety considerations following a rejected takeoff.

ACS element text (the applicant demonstrates understanding of)

Safety considerations following a rejected takeoff.

Bottom line

Ill-advised rejected takeoff decisions by flight crews and improper pilot technique during the execution of a rejected takeoff contribute to a majority of takeoff-related commercial aviation accidents worldwide. Taking pilot response times into account, the go/no-go decision should be made before V1 so that deceleration can begin no later than V1. If braking has not begun by V1, the decision to continue the takeoff is made by default.

Key numbers

Key numbers for Safety considerations following a rejected takeoff.
NumberWhat it means
above 120 knotsHigh-speed aborts
4 to 6 knots per second beyond V1Delay cost
3 to 7 secondsCrew response

FAA references

  1. AFH ch. 16 (p. 16-15) — FAA-H-8083-3C
  2. AFH ch. 13 (p. 13-12) — FAA-H-8083-3C
  3. PHAK ch. 14 (pp. 14-37–14-38) — FAA-H-8083-25C (2023)
  4. PHAK ch. 14 (p. 14-28) — FAA-H-8083-25C (2023)
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