How much of this industry shutdown is based on science and how much on "beyond my paygrade"?
In the past Mr Etna has erupted and UA1 was closed while UB23 remained open.
In the Middle East aircraft fly in airspace where temperature inversions trap sand in the air with fairly high concentrations sufficient for the 1-11 that I flew over 30 years ago to show sand erosion on the fan blades. We are surely not intending to fly through the main area of contamination so what exactly is the difference of flying in Europe in current conditions and flying day in and day out in the Middle East?
I recognise that it might have long term implications for shutdown rates but is the industry going to be brought to its knees for the sake of that?
Possibly if we flew with tabards on it will satisfy the Insurance industry.