Problematic use of substances
urn:aero:airm:1.0.0:ContextualModel:ATMBusinessTerms:Problematic_use_of_substances
The use of one or more psychoactive substances by aviation 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.
Source:
ICAO
Synonyms:
problematic substance use