New Delhi, Aug. 11 -- The pilot-in-command of an Air India flight that faced turbulence mid-air, causing injuries to 17 people, has tested positive for psychoactive substances during a post-flight screening, Hindustan Times reported.

The pilot's initial drug test showed a possible presence of drugs, though the result was not confirmed, according to a government release. "The pilot in question has not tested positive in the confirmatory test. He has tested positive for marijuana," an official aware of the details told HT.

The Tata-owned AI2379 flight, which had 137 passengers and eight crew members onboard, faced severe turbulence on its way to the national capital from Phuket on August 4.

The aircraft lost 300 feet in altitude while cr...