AA.VI.D.K4FAA-S-ACS-11A · Nov 2023Knowledge

A stabilized approach, including energy management concepts.

ACS element text (the applicant demonstrates understanding of)

A stabilized approach, including energy management concepts.

Bottom line

A stabilized approach is a key feature to a safe approach and landing. AC 91-79( ) describes a profile that has an aircraft stabilized before descending through a 1,000 ft window in IMC, or through a 500 ft above touchdown zone elevation (TDZE) window in visual meteorological conditions (VMC) to the landing touchdown point.

Key numbers

Key numbers for A stabilized approach, including energy management concepts.
NumberWhat it means
Stabilized before descending through 1,000 ft in IMCIMC window
Landing gear and landing flaps by 1,000 feet AGLGear and flaps
Bring power up by 500 feet AGLPower up
Approximately 50 ft above the landing runway thresholdCDFA endpoint

FAA references

  1. AC 120-108 ch. 4 List of Tables — AC No: 120-108A
  2. AFH ch. 16 (p. 16-18) — FAA-H-8083-3C
  3. AFH ch. 5, Stall Recognition (p. 5-13) — FAA-H-8083-3C
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