What: Spicejet Boeing 737-800 en route from Kolkata to Delhi
Where: Kolkata
When: Sep 8th 2010
Who: 136 passengers
Why: On taxi (or during takeoff) which was already an hour late, the Spicejet’s left engine was smoking.
The pilot noticed the smoke, aborted the flight and returned the plane to the gate where maintenance worked on repairing the problem.
After another delayed departure, the Spicejet was again en route. When the cabin did not pressurize a quarter of an hour later into the flight, the pilot turned back and made an emergency landing in Kolkata.
At 10:20pm, passengers were flown out in a replacement plane.

American Airlines flight AA-2575 made an emergency landing in Austin, Texas, on February 17th.

Pakistan International Airlines flight PK-300 made an emergency landing in Karachi, Pakistan, on October 11th.