What: HAL Rotary Wing Academy Schweizer 269C (300C)
Where: Byapanahalli area, northeast Bangalore, India
When: April 12, 2012, 4:30 pm
Who: 2 aboard, 0 fatalities
Why: After a two hour ten minute flight, the helicopter on a training flight developed engine failure, dodged high-tension wires and other buildings to land on a Bangalore roof.
The Schweizer 269C is a light four year old plane used for civilian training.
The helicopter was damaged during the emergency landing, rolling over on its side on the rooftop of Maitri Apartments in the Byapanahalli area in North East Bangalore and leaking some of the 20 litres of fuel it carried. The rotors were blown off on impact with the parapet. Retired Air Commodore Roj Assey and trainee Digvijay Singh survived the emergency landing uninjured.
The Directorate General of Civil Aviation is investigating.