Test yourself: 5 hard theory questions, free Airspace, weather, regs and aerodynamics, FAA-style — instant score, every answer explained. No signup.
Free testmediumcost-optimization
A maximum Cost Index results in flying at:
A
minimum time speed (near VMO/MMO)
B
minimum fuel speed
C
long-range cruise
D
holding speed
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See where you stand: 5 hard questions, instant score, every answer explained.