Originally Posted by
733driver
Correct. In the US they tend to abbreviate captain CA and not CPT. Also, I don't think Senior FO (SFO) is much of a thing there.
I’ve been meaning to ask. What exactly is a “senior FO” in Europe, and how do his/her rights and responsibilities differ from that of a “junior FO”?
Are captains also separated the same way?
In the US, senior captain or FO is merely an informal way to describe your relative seniority.