In line with their planned diversion to Winnipeg, the pilots were already descending through when the second engine shut down.
A controller tells the pilots to descend and maintain an altitude of 6,000 feet.
The pilot had descended very quickly for breathable air, just in case.
The pilot immediately descended the plane rapidly to avoid too much pressure loss.
The American pilots descended to an altitude of 4,000 feet from about 15,000 feet and "took some five different evasive actions," he added.
The pilot of the helicopter descended from the high altitude.
The investigation indicates that the pilot descended too early in the dark towards the lights of Košice.
The pilots must descend steeply into town to avoid rebel fire.
The pilot was conducting a visual approach and descended into a hill top.
The pilot had descended somewhat after passing the War Zone.