Not everyone I know has been asked this, but seems the ones that let their company know right away they were going to an AC interview have been accepted, while the few that said no were not.
My own instinct would probably be to say nothing, do nothing until I had a job offer in hand. After all, what business is it of my current company that I'm looking for other work? By being open right up front does a person not risk limiting their likelihood of further progression in their current job, if turned down after the interview? The boss would most certainly shy away from promotions if you're not a "company man". Not to mention the embarassment or disappointment that surely ensues if not successful, and having to explain it to everyone and anyone at work as it spread around the gossip circuit. To me, this should be nobody's business but your own, until you give your notice of resignation (min 2 weeks, naturally).
Of course this is the biggest open secret in aviation anyway- everyone is ALWAYS looking for a better job (703/704's anyway), so it really should come as no surprise when you give your 2 weeks.
What AC seems to want to see and hear though is that immediately on recieving an interview offer, to tell your superior in order to provide the longest possible heads up for filling your soon-to-be-vacant seat. I can sort of see their point- it makes them look good in that they're not "stealing" all of a company's pilots with no notice. But realistically this is a professionally sticky situation for the employee. There are certainly grey areas. The company I work for has a well organized training department and is doing training on a regular basis. Filling my spot, if and when god willing





