Page:Aviation Accident Report, United Air Lines Flight 4.pdf/10

- 9 - scattering small parts over the hillside. The main portion of the wreckage came to rest approximately 300 feet beyond the first point of impact. The fuselage, except for the extreme rear portion, was almost completely consume by the ensuing fire.

The radio system, controls and instruments were so badly damaged by impact and fire as to make any findings of doubtful value. The Flight Analyzer was completely destroyed.

Inspection of the propeller hubs revealed that the blades of each propeller were in a pitch setting of about 27 degrees. The fact that neither the cam lugs nor the low pitch stopper were damaged, as well as the way in which the blades were bent, indicated that both engines were developing power a time of impact.

According to all indications the landing gear was extended, which was normal for the final approach.

The examination of the wreckage did not reveal any evidence of failure of any part of the airplane or its equipment prior to impact.

Conduct of the Flight

The evidence indicates that the trip was properly dispatched and that its operation was normal until it arrived in the vicinity of Salt Lake City

It is clear from the evidence that the radio range facilities involved, maintained by the Civil Aeronautics Administration, were functioning