Hughes Airwest Flight 706
Hughes Airwest Flight 706 was a regularly scheduled flight operated by American domestic airline Hughes Airwest from Los Angeles, California, to Seattle, Washington, with several intermediate stops. On Sunday, June 6, 1971, the McDonnell Douglas DC-9 serving as Flight 706 departed Los Angeles just after 6 p.m.
Source: Wikipedia — Hughes Airwest Flight 706 (CC BY-SA 4.0)