misuse of substances
EASA defines “misuse of substances” in 2 regulations, worded for each regulation's scope. The wording below is reproduced verbatim from the EASA Easy Access Rules, with a link to the paragraph it comes from.
‘misuse of substances’ means the use of one or more psychoactive substances by flight crew, cabin crew members and other safety-sensitive personnel in a way that:
(a)constitutes a direct hazard to the user or endangers the lives, health or welfare of others, and/or
(b)causes or worsens an occupational, social, mental or physical problem or disorder;
‘misuse of substances’ means the use of one or more psychoactive substances by aircrew in a way that, alternatively or jointly:
(a)constitutes a direct hazard to the user or endangers the lives, health or welfare of others;
(b)causes or worsens an occupational, social, mental or physical problem or disorder;
Defined in the same article
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