| A gradual change in wind direction over several days |
| A sudden, drastic change in wind speed and/or direction over a very short vertical or horizontal distance |
| The friction caused by wind hitting the drone's propellers |
| A constant, steady breeze from the ocean |
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