New Delhi, Aug. 9 -- Air India's turbulence-hit Phuket-Delhi flight has come under further scrutiny after the Directorate General of Civil Aviation (DGCA) said the initial psychoactive-substance screening of the pilot-in-command (PIC) indicated a result requiring confirmatory testing.

The development comes after media reports claimed that the pilot had failed a post-flight dope test. However, the DGCA's statement makes clear that the pilot has not been confirmed to have tested positive. The sample has been sent to a designated laboratory and the final report is awaited.

Air India had earlier said it had not received the results of the screening and was therefore not in a position to comment on the findings.

"We are aware that a post-fl...