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AI.XII.A.R3FAA-S-ACS-25 · Nov 2023Risk management

Configuring the airplane.

ACS element text (the applicant demonstrates understanding of)

Configuring the airplane.

Bottom line

In general, emergency descent procedures are high drag, high airspeed procedures requiring a specific airplane configuration and a specific emergency descent airspeed. In an emergency descent, the pilot should not allow the airplane's airspeed to pass VNE, VLE, or VFE, as applicable. Some airplanes have a specific procedure for rapidly losing altitude, and the AFM/POH specifies the procedure.

FAA references

  1. AFH ch. 3 (p. 3-21) — FAA-H-8083-3C
  2. AFH ch. 18 (p. 18-9) — FAA-H-8083-3C
  3. AIH ch. 3 (p. 3-33) — FAA-H-8083-9B
  4. PHAK ch. 9 (p. 9-2) — FAA-H-8083-25C (2023)
  5. PHAK ch. 9 (p. 9-4) — FAA-H-8083-25C (2023)
  6. AIH ch. 3 (p. 3-34) — FAA-H-8083-9B
  7. AIH ch. 1 (pp. 1-25–1-26) — FAA-H-8083-9B
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