I have driven through sandstorms in the desert of Qatar and it is very similar to driving in snow as the visibility drops and the sand drifts ....and slightly worrying if you are on a road in the desert and unsure of exactly where you are .....
You can imagine what it is like if you happen to be in a helicopter and encounter a sandstorm.... the military call them 'brownouts'....below lifted from the internet....
In just the first year of the war in Iraq, brownout mishaps cost the Army three fatalities, 29 non-fatal injuries, and $60 million in equipment damage, notes the Army Aviation Applied Technology Directorate. One Army Chinook was destroyed and 16 soldiers were injured in Afghanistan when the CH-47D set a landing gear in an irrigation ditch.
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