As such, the company's earnings for 2HFY2023 was down 20.4% y-o-y to $33.9 million.
SIA Engineering (SGX:S59) has reported a revenue of $433.8 million for 2HFY2023 ended March, up 43.4% y-o-y, as the increase in flight activities drove higher demand for maintenance services.
However, manpower and materials costs rose in tandem with revenue. In addition, a one-time writeback of tax provisions last year wasn't repeated.

