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Flight 401 was now about two hours into its flight from New York to Miami. So far the flight was uneventful. Sitting in the cockpit were three crew members who flew the plane. There were two pilots who sat in the seats facing forwards and a Flight Engineer who sat behind them.
Captain: On the left hand seat, as was (and still is) tradition, sat the Captain. The Captain had final authority and responsibility of the aircraft. Flight 401 was flown that day by an highly experienced Captain who was aged 55 and had nearly thirty thousand hours of flying experience .
Co-pilot: Sitting in the right seat was the Co-pilot . He was 39 years old, had previously flown with the air force and had nearly six thousand hours of flying experience. Though the Captain has overall authority, the Co-pilot and Captain take turns to "fly" the aircraft while the other does supporting activities such as operating the radio. For Flight 401, the Co-pilot was the "flying" pilot and the Captain was the supporting pilot .
Flight Engineer: Sitting behind the pilots , facing the right wall , was a third crew member called the Flight Engineer (F/E). The F/E did not directly fly the aircraft. Instead , he looked after aircraft systems such as engines, hydraulics, electrical, and fuel. The F/E for the flight involved was 51 years old and had nearly sixteen thousand hours of flying experience. (Note: Modern aircraft do not have flight engineers. Computers have made their job redundant.)
Among the three of them, they had flown over fifty thousand hours. Yet with all that experience, the tragedy of FL 401 happened. Clearly , experience alone did not suffice.
Ground Engineer : Cockpits of aircraft have extra seats called "jump seats". These are used , depending on airline policy , to ferry "off duty" staff members. On this fateful flight , a "ground engineer" was hitching a ride back home and was in the cockpit.
The public rarely see these "ground engineers", but their skill is crucial for the safety of aviation. Behind the scenes these engineers on the ground maintain the extremely complicated aircraft. The ground engineer in the cockpit was previously in New York , investigating engine problems in one of the companies aircraft. He was returning home that day and occupied one of the jump seats in the cockpit. He survived the crash and thus was able to shed light on the events leading to the disaster.