"We are reporting to the Civil Aviation Authority of Singapore (CAAS) this occurrence in which the SIA plane drifted from its assigned flight path. "Singapore Airlines SQ422, an Airbus A350, operating from Singapore to Mumbai on December 4, 2017, was scheduled to land on Runway 09 at Chhatrapati Shivaji International Airport at 10.35 am (local time). Air Traffic Control Mumbai then vectored the flight for a subsequent approach onto Runway 09 and the flight landed uneventfully at 10.48 am (local time). At no time did the pilots of SQ 422 mistake Juhu airport as Chhatrapati Shivaji International Airport," said a SIA Spokesperson.The DGCA official said that the SIA plane had slightly 'drifted' from its assigned path. "Whenever we get reports on crew errors on Indian aircraft from our international counterparts, we ground them to give corrective training.