![Airworthiness Directives](http://airlinebasics.com/wp-content/uploads/2016/07/Airworthiness-Directives-150x150.jpg)
I’m sure you have come across the concept of airworthiness directives. Among all the various maintenance requirements for aircraft, airworthiness directives – or ADs, as they are often referred to – seem somehow most important. Many CAA inspectors or leasing…