If a pilot has not consumed a drink in 12 hours, and has a blood alcohol level of .04 percent, can (s)he fly No, the pilot has blood alcohol level of 0.4
Blood alcohol level (BAC), is the amount of the alcohol in your blood that also develops from the drinking of the alcoholic beverages. and the Levels can range from 0% (no alcohol) to like over 0.4% (a potentially the fatal level).
In the United States it is illegal to drive vehicle at or the above . 08% BAC; you will be test as the legally impaired at this blood and alcohol level if that you're 21 or older. 0.10 – 0.12% – Obvious the physical impairment and the loss of the judgment. Speech may be also slurred.
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