The major problem with the ATP, was that little money was spent on development of the aircraft or tooling, which resulted in a lot of problems in the early days, from which it received its bad reputation – ATP Another technical problem or another thousand pounds
This seems to be a problem with most Bae aircraft , then they spend the next 10 years issuing service bulletins and airworthiness directives and then they finally complete the design process 10 years later
