AA.I.B.S1FAA-S-ACS-11A · Nov 2023Skills

Describe the airspeeds used during specific phases of flight.

ACS element text (the applicant demonstrates understanding of)

Describe the airspeeds used during specific phases of flight.

Bottom line

Transport category performance training covers flight operations performance considerations of VMCG, VMCA, V1, and V2. VMCG is the minimum control speed with the critical engine inoperative during takeoff roll. V1 is the takeoff decision speed and V2 is the takeoff safety speed.

FAA references

  1. AC 61-138, para. 14.3.8.2 — AC No: 61-138A
  2. AC 61-107, para. 2-12 — AC No: 61-107B
  3. 14 CFR 91.611 (Authorization for ferry flight with one engine inoperative.) — eCFR current as of 2026-03-05
  4. AC 91-74, para. 7-1 — AC No: 91-74A
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