Overview: A 737 leaving Buenos Aires fails to lift off in August 1999, hurtling past the airport and crashing into a nearby industrial gas plant. Investigators from Argentina collaborate with the NTSB to determine what kept the plane from taking flight. What they discover points to a stunning conclusion that impacts the Argentinean airline industry. Revisit the tragedy of LAPA Flight 3142 and discover why an experienced crew failed to execute a basic takeoff procedure.