[qoute:] (con-pilot) One more note of interest, from reading the log books, they changed engines every 500 hours, replacing them with overhauled engines. I was always curious about that. [quote!]
Probably a question of faster maintance keeping her ready for use :-/
Even for car-maintenance, repairing or replacing is a regular dilemma and as for car-owners: the poor guy with the knowledge have to do the heavy repairs by himself, there must be a differece of repair perception among aircraft-owners - this decision is ofcourse influed by the skills of own mechanics :-/
In the end, the workshop wich sells overhaul's in change with the old, are the one that surely got the skills to the job!