Kolkata, Jan 29 (PTI) A Delhi-bound IndiGo flight from the airport here had to return shortly after take-off when smoke was seen emanating from one of its engines. Also Read - Kolkata Airport Server Down, Over 20 Flights Delayed; Passengers Fume

Flight 6E 616, with 174 passengers on board, took off from the Netaji Subhash Chandra Bose International Airport at 2.38pm but returned to the bay at 2.57pm after the Air Traffic Control saw smoke billowing from its left engine, a security official said. Also Read - Tripura reduces VAT on jet fuel to incentivise airline operations

“Full emergency was declared immediately and the flight landed safely,” the official added. Also Read - Zoom Air looking to spread its wings to B'desh, Myanmar

All passengers were safe and the incident was reported to the Directorate General of Civil Aviation, IndiGo said.

The airline added that the passengers were accommodated in a different aircraft, which departed nearly two hours after the incident, at 4.56pm.

“The flight experienced high engine vibration in engine 2 immediately after take-off from Kolkata. The Captain-in- Command immediately alerted the base and took the decision to return to bay. All necessary SOPs were carried out.”

This is published unedited from the PTI feed.