NEW YORK (CBSNewYork) — An aviation expert says it’s going to be a “big job” to get a helicopter off the roof of a Midtown building after Monday’s deadly crash.

Around 1:45 p.m., a helicopter crash-landed on the roof of 787 Seventh Avenue between 51st and 52nd Streets.

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Aviation expert Al Yurman spoke to CBS2 about how crews could possibly get the helicopter off the roof of the building, which is more than 50 stories tall.

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“They could probably disassemble it up there … and they may have to airlift it off of there. That’s gonna be a project to get it down,” Yurman said. “Or what they could do is get some kind of a lifting device up there and lower parts down piece by piece to the street or a truck. That would probably be the safer way to do it with some kind of a winch and rope situation or chain situation.”

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The pilot, identified as Tim McCormack, was killed in the crash. Officials do not believe anyone else was in the helicopter.

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No other injuries have been reported.

The FAA said the helicopter was an Agusta A 109E helicopter, and the NTSB will investigate the cause of crash.

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The helicopter was privately owned and officials believe it was used for executive travel.