AA.VII.B.K2FAA-S-ACS-11A · Nov 2023Knowledge

Operational considerations, including: airplane performance (e.g., sideslip, bank angle...

ACS element text (the applicant demonstrates understanding of)

Operational considerations, including: airplane performance (e.g., sideslip, bank angle, rudder input), takeoff warning systems, runway length, surface conditions, density altitude, wake turbulence, environmental conditions, obstructions, and other related factors that could adversely affect safety.

Bottom line

Prior to takeoff, the multiengine pilot should ensure that the weight and balance limitations have been observed, the runway length is adequate, and the normal flightpath clears obstacles and terrain. The prudent multiengine pilot should pick a decision point in the takeoff and climb sequence in advance. If an engine fails before this point, the takeoff should be rejected, even if airborne, for a landing on whatever runway or surface lies essentially ahead.

Key numbers

Key numbers for Operational considerations, including: airplane performance (e.g., sideslip, bank angle...
NumberWhat it means
200 fpm rate of climb can be negated by thermal turbulence, wind gusts, engine and propeller wear, or poor technique in airspeed, bank angle, and rudder controlClimb margin
reject takeoff, even if airborne, if the landing gear has not been selected up (general recommendation)Gear rule

FAA references

  1. AFH ch. 13 (pp. 13-11–13-12) — FAA-H-8083-3C
  2. AFH ch. 5, Spin Awareness; Spin Procedures (pp. 5-22–5-23) — FAA-H-8083-3C
  3. PHAK ch. 11 (p. 11-12) — FAA-H-8083-25C (2023)
  4. RMH ch. 3 (p. 3-7) — FAA-H-8083-2A
  5. AFH ch. 5, Environmental Factors; Human Factors (p. 5-2) — FAA-H-8083-3C
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