| Sent by a pilot or an aircraft operating agency which have an imminent meaning for aircraft in flight. |
| Concerning the safety of an aircraft, a watercraft or some other vehicle or person in sight. |
| Concerning aircraft and their passengers which face a grave and imminent threat and require immediate assistance. |
| Concerning the operation or maintenance of facilities essential for the safety or regularity of aircraft operation. |
MENU
EN 
IT
ES
DE
FR
PL
RS
Exam Questions
Training Quiz
Exam simulation
PDF Exam
Contact Us
Prices
Are you a school?
App Mobile