Originally Posted by
Phantom Flyer
Of course they do. It's just that the SWA internal investigation and the NTSB investigations have different mandates and different objectives.
In much the same way that Naval Aviation would run at least two concurrent investigations. SIR (Safety related with the concept of 'Privilege') and the JAGMAN (Legal related). There will also be a FFPB conducted by the squadron with the express purpose of figuring out if any disciplinary steps should be taken with a range of actions.