What does AD stand for?
AD stands for "Airworthiness Dirctive"
How to abbreviate "Airworthiness Dirctive"?
"Airworthiness Dirctive" can be abbreviated as AD
What is the meaning of AD abbreviation?
The meaning of AD abbreviation is "Airworthiness Dirctive"
What does AD mean?
AD as abbreviation means "Airworthiness Dirctive"
