United Air Lines Flight 227, operated by a Douglas DC-8 aircraft, was on a scheduled flight from Los Angeles to Salt Lake City. On final approach to Salt Lake City International Airport, the aircraft encountered difficulties, leading to its crashing into a levee just short of the runway. The incident occurred in adverse weather conditions, including dwindling visibility due to fog. The investigation later revealed that pilot error and failure to adhere to altitude protocols contributed to the crash.

The plane was carrying 85 people at the time, including passengers and crew. Tragically, 43 individuals perished in the accident, while 42 survived. Rescue operations commenced immediately, with emergency crews responding to the scene. The impact of this incident resonated throughout the aviation industry, leading to renewed scrutiny over pilot training and air traffic control procedures, as well as the need for better communication systems during adverse weather conditions.

As investigations unfolded, findings led to significant changes in regulations and practices within commercial aviation, aiming to prevent similar occurrences in the future. Flight 227 is remembered not only for the human tragedy but also for its role in advancing safety measures in air travel.