| Because the force of gravity is significantly stronger at higher altitudes. |
| Because the air is less dense at high altitudes, requiring the propellers to spin faster to generate the same amount of lift. |
| Because the air is colder, which creates more aerodynamic drag. |
MENU
EN 
IT
ES
DE
FR
PL
CZ
RS
Exam Questions
Training Quiz
Exam simulation
PDF Exam
Contact Us
Prices
Are you a school?
App Mobile