Claims the Civil Aviation Authority is causing uncertainty within the industry

In the past year there's been a 30-percent increase in staff turnover at CAA, compared to the public service average.

There are also allegations of cover ups, bullying and sexual harassment over a three year period.

Aviation New Zealand CEO, John Nicholson, says when the regulator visits companies within the sector, they aren't being consistent.

He says they aren't getting the same advice which causes a lot of confusion.