Japan Airlines Flight 1628 encounters UFO.Japan Air Lines flight 1628 was a UFO incident that occurred on November 17, 1986 involving a Japanese Boeing 747 cargo aircraft. The aircraft was en route from Paris to Narita, Tokyo with a cargo of Beaujolais wine. On the Reykjavík to Anchorage section of the flight, at 5:11 PM over eastern Alaska, the crew first witnessed two unidentified objects to their left. These abruptly rose from below and closed in to escort their aircraft. Each had two rectangular arrays of what appeared to be glowing nozzles or thrusters, though their bodies remained obscured by darkness.