Originally Posted by
SenecaII
Proof? FAR that allows for you to exercise the privileges of an ATP certificate on a second class medical. What airlines don't require a 1st as an FO?
He's right it's only a second class required! When the ATP rule initially came out the FAA was requiring a 1st class medical... That changed and now it's only a second class. You are not exercising your ATP as the PIC.