HAL chopper lifted up by crane off the rooftop in Bangalore
After struggling for about four hours, a group of HAL technicians finally managed to bring the chopper, which made an emergency landing atop an apartment at GM Palya, down safely on Friday.
The Schweizer-300C helicopter had landed on the terrace at 4.40 pm on Thursday, and it was brought to the ground after almost 28 hours. The helicopter weighing about 500-kg was finally brought down at 6.55 pm.
The crane employed to bring the chopper down also faced a few technical snags. The decision to bring the helicopter down using a crane was based on the advice of the DGCA officials.
While some of the delicate parts of the chopper were dismantled and brought down manually, the main body of the aircraft along with the engine needed a crane.
After shifting the chopper to the corner of the terrace, as it had tilted with its rotor blades and hit the parapet wall of the apartment, HAL technicians emptied the fuel tank and removed the blades, tyres and side doors of the chopper.
Following this, the crane began its operations and failed the first time due to a hydraulic snap. After rectifying it, the operator hooked the chopper on to the crane and began lowering it. It had to be lifted above the height of the parapet wall before bringing it down.
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