What happened
On March 13, 1978, United Airlines Flight 696 was operating a domestic service from San Francisco International Airport to Seattle, Washington. The aircraft, a Boeing 727, had 75 individuals aboard, including passengers and crew members. During the flight, a male passenger seized control of the situation by claiming to have a bomb. This threat forced the flight to alter its course or land under duress, though specific landing details are not provided in the source material. The hijacker was identified as Clay Thomas. Authorities intervened, resulting in his arrest. Despite the high-stakes nature of the event, no serious injuries were reported among those on the aircraft.
Investigation
The available source material does not provide detailed findings from an official aviation safety board investigation into the mechanical or operational causes of the incident, as it was a criminal act rather than an accident. The primary outcome was the legal resolution involving the hijacker.
Findings
The incident highlights the vulnerability of commercial flights to security threats during the late 1970s. The successful resolution without serious injury suggests effective handling by the crew and law enforcement, although specific tactical details are not included in the source.