An unidentified aircraft on Saturday caused a security scare in Mumbai airspace after it was spotted by an Etihad Airways flight and reported to the air traffic control (ATC) here, official sources said.
The incident was also reported to the Chennai ATC to establish the identity of the plane, the sources said.
However, the sources did not divulge the make of the aircraft or whether it was a civilian or a military plane, as reported by the aircraft of the Etihad Airways which was flying from its home base of Abu Dhabi to Jakarta.
