Douglas DC-3 accident at Knight, United States of America, 17 Oct 1937 (NC16074)
On October 17, 1937, a Douglas DC-3 (registration NC16074) operated by United Airlines was involved in an aviation accident near Knight, United States of America in flight. 19 people were killed. Investigators recorded the probable cause as: It is the opinion of the Investigating Board that the probable cause of this accident was a combination of the following three factors: - Static conditions encountered in the last portion of the flight which rendered the reception of radio range signals… This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A).
Probable cause
It is the opinion of the Investigating Board that the probable cause of this accident was a combination of the following three factors: - Static conditions encountered in the last portion of the flight which rendered the reception of radio range signals unintelligible, - The continuation of the flight into mountainous country at an altitude below of higher mountains without the aid of ground visibility or radio signals to definitely identify position, - A change in the weather caused by the approach of an unpredicted cold front.
— NTSB Determination
Accident narrative
While cruising at an altitude of 10,000 feet at night and in bad weather conditions, the pilot tried to contact ATC without any success. He could not receive any signal from the regional beacons and decided to continue ahead to Salt Lake City Airport. Few minutes later, in low visibility, the aircraft impacted the slope of Haydens Peak located 81 km east from Salt Lake City and 32 km southwest from Knight. The aircraft was destroyed by impact forces and all 19 occupants were killed. Crew: Earl D. Woodgerd, pilot, John B. Adams, copilot, Leah Derr, stewardess. Passengers: George Ferreira, Phyllis Ferreira, Louis Cleaver, Ralph McKeown, John Conroy, Charles D. Renouf, W. Pischell, William Pitt, J. Percola, Mrs. C. Pritchett, D. A. McMillan, Mrs. J. Hammer, W. J. Hart, Charles Jamison, C. L. Jensen, Dr. L. Gross.
Probable cause (official findings): It is the opinion of the Investigating Board that the probable cause of this accident was a combination of the following three factors: - Static conditions encountered in the last portion of the flight which rendered the reception of radio range signals unintelligible, - The continuation of the flight into mountainous country at an altitude below of higher mountains without the aid of ground visibility or radio signals to definitely identify position, - A change in the weather caused by the approach of an unpredicted cold front.