Vx ( description)=
Best angle of climb with max excess thrust
Vx jet =
Vmd
Vx prop =
1.1Vs
V2 perf class A 2/3 eng turbo p or jet no provision to reduce OEI stall speed=
1.13 Vsr
V2 class A turbo p > 3eng with provision for reducing oei stall speed =
1.08 Vsr
V2 per perf a highest of?
1.13 Vsr 2/3 eng turbo prop or jet without prov
1.08 Vsr >3 eng turbo prob or jet with prov
1.10 Vmc
Vr + speed increment to 35’
Speed providing adequate man capability
Vy =
PWR available - PWR required / w
Glide for range speed?
Vmd OR Vx
Glide for endurance speed
Vmp
Vx jet?
Vmd
Vx prop?
1.1vs
Vref perf A?
1.23Vsro
Vref perf B
1.3 Vsro