Singapore legislation

Regulation 19

of Air Navigation (91 — General Operating Rules) Regulations 2018

Regulation 19

Prohibition of use of psychoactive substances

Amended byS 179/2019 wef 31/03/2019S 179/2019 wef 31/03/2019S 179/2019 wef 31/03/2019S 837/2025 wef 29/12/2025

Subregulation 1

Amended byS 179/2019 wef 31/03/2019

A person must not perform any duty or function in the capacity of a flight dispatcher, or any personnel involved in preparation or conduct of a flight involving a relevant aircraft if the person is under the influence of any psychoactive substance which may render the person unable to perform such duty or function in a safe and proper manner.

Subregulation 2

Amended byS 179/2019 wef 31/03/2019

A person must not perform any duty or function in the capacity of a pilot if —

(a)

at any time during the person’s flight duty period —

(i)

there is more than 0.02 grams of ethanol in 210 litres of the person’s breath; or

(ii)

the person is under the influence of any psychoactive substance to such extent as to be incapable of performing that duty or function in a safe and proper manner; or

(b)

the person has, at any time in the period of 8 hours before the start of the person’s flight duty period, consumed —

(i)

any food or drink or other substance that contains any form of ethanol; or

(ii)

any psychoactive substance.

Subregulation 3

Amended byS 179/2019 wef 31/03/2019

A person who fails to comply with paragraph (1) or (2) shall be guilty of an offence and shall be liable on conviction —

(a)

for a first offence, to a fine not exceeding $50,000 or to imprisonment for a term not exceeding 2 years or to both; and

(b)

for a second or subsequent offence, to a fine not exceeding $100,000 or to imprisonment for a term not exceeding 5 years or to both.

Subregulation 4

Amended byS 837/2025 wef 29/12/2025

For the purposes of this regulation, a reference to a person who is under the influence of any psychoactive substance which may render the person unable to perform a duty or function in a safe and proper manner, includes a reference to a person who engages in the use of one or more psychoactive substances in a way that —

(a)

constitutes a direct hazard to the person or endangers the lives, health or welfare of others; or

(b)

causes or worsens an occupational, social, mental or physical problem or disorder suffered by the person.

Read in full context — Air Navigation (91 — General Operating Rules) Regulations 2018 →