The Crooks Fire has burned more than 9,000 acres and on Wednesday some aerial crews were grounded because of the lack of visibility because of the smoke.
At the Prescott Airport, two Large Air Tankers (LATs) were sitting on the runway waiting for their orders to bring fire retardant to the Crooks Fire. However, the smoke was so thick that they were unable to fly in the morning.
The crews can be requested at any time and can get in the air in around 15 minutes.
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