Drug test of captain of Air India flight in incident was non-negative

​A ​drug test ‌performed on ​the captain of an ‌Air India flight that experienced an incident ‌on August 4 was non-negative, ‌India's Aircraft Accident Investigation Bureau said on Friday.

The ⁠preliminary ​report ⁠said that the flight ⁠control system detected loss of ​all three hydraulic systems ⁠on the Airbus ⁠plane while ​cruising, adding that the final ⁠report of the investigation will ⁠be ⁠published in due course.