Test yourself: 5 hard theory questions, free Airspace, weather, regs and aerodynamics, FAA-style — instant score, every answer explained. No signup.
Free testmediumcruise-performance
The optimum cruise altitude for a jet increases as:
A
weight increases
B
cost index increases
C
temperature increases
D
weight decreases
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See where you stand: 5 hard questions, instant score, every answer explained.