Originally Posted by Packrat

Why? There's a financial cost to hiring and training a pilot. It doesn't make sense to hire a 64 year old who may only give you 6 months of line flying before he ages out.

Pilots have to be weighed in terms of asset/liability. If what the pilot brings in line flying is less than what it cost to train him, they're a liability. If they bring in more, they become an asset.

What is it you don't understand about that simple equation?