We used to abbreviate it "NAFD" .... I never saw it at the ship; had it hapened, the gent would have not been flying again without some "LSO counseling" and perhaps a "come to Jesus" moment as it pertains to his response (or lack thereof) on the ball .......just need to know you're not flying with "NAFOD" *
* No Apparent Fear Of Death
However, I did give that grade as a write-in on occasion with STUDs ... when it fit .... and it did.