Philadelphia – Washington DC – Knoxville – Huntsville

On July 9, 1964 at 06:15 PM, Philadelphia – Washington DC – Knoxville – Huntsville experienced a crash involving Vickers Viscount, operated by United Airlines, with the event recorded near Parrottsville Tennessee.

The flight was categorized as scheduled revenue flight and the reported phase was flight at a mountains crash site.

39 people were known to be on board, 39 fatalities were recorded, 0 survivors were identified or estimated. This corresponds to an estimated fatality rate of 100.0%.

Crew on board: 4, crew fatalities: 4, passengers on board: 35, passenger fatalities: 35, other fatalities: 0.

The listed crash cause is technical failure. A United Air Lines, Inc., Vickers Viscount 745D, N7405, Flight 823, crashed 2-1/4 rules northeast of Parrottsville Tennessee, at 1815 e.s.t., July 9, 1964. Thirty-four passengers and the four crew members died in the crash. One passenger died of injuries following a free fall from the aircraft before the crash. The aircraft was destroyed by fire and impact damage. Flight 823 was a regularly scheduled operation from Philadelphia, Pennsylvania, to Huntsville, Alabama, with en route stops at Washington, D. C., and Knoxville, Tennessee. The flight operated without any reported discrepancies or difficulties until approximately 1810 e.s.t., when it was observed flying at low altitude trailing smoke. The flight continued in a southwesterly direction and at a point approximately 1.6 nautical rules before the impact site, a passenger was seen falling from the aircraft, and a short time later a cabin window was seen falling. The aircraft was then observed going into a nose-high attitude, the left wing and the nose went down, and the aircraft dived into the ground, exploded, and burned.

Aircraft reference details include registration N7405, MSN 103, year of manufacture 1955.

Geospatial coordinates for this crash are approximately 36.0093°, -83.0924°.