The DOT - Department of Transportation - as well bans the use of marijuana for employees that are in so-called 'safety-sensitive' positions, such as bus drivers, subway operators, truck drivers, armed transit security, ship captains, and pilots. This ban covers all states, involving the states that have legalized medical marijuana. Thus, even if you have a marijuana card, but you have to fly a 757, you have to make sure that your medical marijuana's effect has passed, when you board your pilot seat.
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