Washington (CNN) — New air traffic control audio captures pilots in an apparent struggle to regain control of a private business jet as the plane plunged into woods near Lansing, Michigan on Thursday, killing all three on board.

“Stall recovery, stall recovery,” one of the pilots of the Mexican-registered Hawker 800 can be heard transmitting to air traffic control in a recording by LiveATC.net.

The controller from the Cleveland Air Route Traffic Control Center then tried to reach the pilots seven times with no response.

Bystanders captured video showing the jet corkscrewing toward the ground, then disappearing behind homes before a large black plume of smoke appears.

The National Transportation Safety Board announced Friday it has opened an investigation into the crash.

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