Speeds and Requirements Performance A

V2Min

• 1.08 VSR for 4-engine aircraft

• 1.13 VSR for 2/3-engine aircraft

• 1.1 VMCA

VREF

Not less than

• 1.23 V_SR0

• V_MC

V2

• NOT LESS THAN V2 MIN

• NOT LESS THAN 1.10 VMCA

• NOT LESS THAN 1.20 VS1 (take-off configuration)

• Must give required second-segment climb gradient

V1

• NOT LESS THAN VMCG

• NOT MORE THAN VR

• (also ≤ VMBE if a brake-energy limit is published)

VR

• NOT LESS THAN V1

• NOT LESS THAN 1.05 VMCA

• NOT LESS THAN VMU + AFM safety increment

• (practically ≥ ~1.10 VSR in most AFM data)

VFTO

may not less than 1.18 V_SR