March 12, 1977: Light Vanished Behind a DC-10 Wing — A Veteran Pilot's Account
To the point
On March 12, 1977, a veteran pilot with over 30,000 flight hours on a nonstop DC-10 from San Francisco to Boston saw a gigantic light go out behind the left wingtip and vanish quickly as the turn progressed, calling it the most extraordinary, once-in-a-lifetime sight ever witnessed.
On March 12, 1977, while flying nonstop from San Francisco to Boston in a DC-10, the narrator saw a gigantic light go out behind the left wing tip. As the turn progressed, it disappeared in the distance behind at a very high speed. The speaker is a veteran pilot with more than 30,000 flight hours who has flown in college and in the war, and they note that nothing like this had been witnessed before. They describe it as a once-in-a-lifetime sighting.
Source: youtube.com