The Briton on board flight AirAsia flight QZ8501 is believed to be Mr Choi Chi Man, who is based in Indonesia, where he is the managing director at an energy company.
He was accompanied by his two-year-old daughter, Zoe, who is believed to have been the sole Singaporean on the flight.
According to a copy of the passenger manifest released to Indonesian media, Mr Choi and Zoe bought their tickets on Friday (Dec 26). According to the manifest, they were seated in the first row, in Seats 1B and 1C.
According to his LinkedIn account, Mr Choi was born at Hull in Yorkshire, England, and graduated from the University of Essex in 1988.
He was Unit Managing Director for Thermal Services at energy firm Alstom Power, a position he held since July this year. Prior to that, he was based in Singapore, where he was a senior executive at Alstom Grid, according to his LinkedIn profile.
Channel NewsAsia understands that Mr Choi’s wife had travelled back to Singapore from Surabaya earlier with Zoe’s older brother.