Kolkata: A SpiceJet flight on the way to Bangkok made an emergency landing at the Kolkata airport in the early hours of Monday after the pilot noticed that an engine blade was broken, officials said. The Boeing 737, operating as flight SG83, took off with 178 passengers and six crew members from the Kolkata airport for Bangkok around 1.09 am. Minutes later, the pilot noticed that a blade of the left engine was broken, they said.