So you got lots of time on 747 and such and your looking for a job on a Twin Otter or Beaver eh.
How much time do you have flying low down in the clag on floats or landing on sand bars in a twin otter or alike? Lots of guys with tons of hours doing that exact work wich is far different than what your resume has are looking for work two and their resume will be first to be called before a 747 757 pilot.