Why should somebody who is fit and healthy one day be deemed unsuitable to act as PIC the next? As long as you are physically and mentally fit enough to hold a Class 1 then you should be able to continue beyond 65.
In fact, a couple of countries that I know about are considering age 70.
This will happen, sooner or later.
old papy pilots are cheap to maintain, they don't eat, don't drink, don't complain, sleep behind the yoke,don't strike...
Don't know about 'cheap to maintain', however...the rest, well yes.
