Alaska Aircrash Investigations - Season 1 Episode 4 Plane Down In The Tundra

A tourist flight crashes just after takeoff from a remote fishing lodge, killing several passengers. The wreckage layout reveals that neither the airframe nor the engine caused the crash. Now the “Go Team” must launch a probe into the bizarre noises described by the survivors in the last minutes of the flight, and painstakingly determine whether the aircraft was overloaded past its weight limit.