SHANGHAI— A passenger who allegedly smoked inside the lavatory of a Singapore Airlines (SQ) flight from Singapore to Shanghai was taken away by local authorities for questioning after the aircraft landed on August 21, 2026.
The incident occurred aboard flight SQ836, which operated from Singapore Changi Airport (SIN) to Shanghai Pudong International Airport (PVG). Flight records show that the Boeing 787-10 departed Singapore at 09:49 local time and landed in Shanghai at 14:48.
Singapore Airlines confirmed that a customer had smoked in a lavatory during the flight. The carrier reiterated that smoking, vaping, and the use of electronic cigarettes are prohibited across its flights, while passengers caught violating the rule can face a travel ban from both Singapore Airlines and Scoot.

Singapore Airlines Passenger Caught Smoking
According to accounts from passengers and reports published after the incident, the cabin crew detected the smell of smoke during the flight and identified the passenger responsible.
The individual had reportedly been smoking inside the aircraft lavatory, despite the strict prohibition on smoking during the journey.
A passenger who witnessed the incident said the smell initially caused confusion in the cabin, with the source not immediately clear.
The crew subsequently approached the suspected smoker and asked the passenger to surrender the remaining cigarettes and lighter.
Reports said the interaction lasted several minutes before the passenger handed over the cigarettes. Crew members then secured the items, while preparations were made for the authorities to meet the aircraft after landing.

Authorities board aircraft
The cabin crew reportedly contacted airport authorities before the aircraft reached Shanghai. After SQ836 arrived at Shanghai Pudong International Airport, passengers were instructed to remain seated while authorities boarded the aircraft.
The passenger was not permitted to leave with the rest of the travelers and was subsequently taken away for questioning.
A witness also reported seeing cigarette butts wrapped in a napkin after disembarking, which were apparently being retained as evidence.
The incident did not appear to prevent the aircraft from completing its scheduled journey. Flight-tracking data shows that SQ836 arrived in Shanghai on August 21 after operating for almost five hours.

Singapore Airlines smoking rules
Singapore Airlines maintains a strict no-smoking policy on its aircraft. Its published safety regulations state that smoking, including the use of e-cigarettes, is prohibited on Singapore-registered aircraft.
The airline also warns that passengers found smoking or using e-cigarettes on Singapore Airlines flights can receive a banning notice and be refused carriage on future flights operated by the Singapore Airlines Group.
Under Singapore regulations, smoking on a Singapore-registered aircraft can also carry a fine of up to S$5,000, imprisonment of up to 12 months, or both if the passenger is convicted, Asia One flagged.
Singapore Airlines has not disclosed the identity of the passenger or provided details about any potential penalties following the Shanghai incident.
Local authorities are understood to have taken the passenger away for further questioning after the aircraft landed.
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