Originally Posted by
cogboxer
In addition, an inspection would be conducted every 500 hours (so at 500 and 1000), with their cost estimate being $1,275/helicopter. So, if those costs are right this boosts the hourly operating costs by about $14USD.
Hmm,
assuming your spindles do not require replacing, I'd arrive at 1275/500 =
2,55 USD/h additional operating cost.
And yes, EASA AD 2016-0221 an MPI before exceeding 1500h service life and at least every 500f thereafter.