Witnesses in Arlington Heights report hearing a loud explosion, almost like a sonic boom, over Arlington Heights about 5:50 p.m. Sunday September 3, 2017. Other witnesses reported a bang, followed by rumbling.
A witness or witnesses reported seeing flames from an engine of a Boeing 747 heading northbound over the Ivy Hill neighborhood, which is located just northeast of the intersection of Arlington Heights Road and Rand Road.
The visible flames report has not been verified, but a strange noise from the aircraft over Arlington Heights has been confirmed.
According Flightaware.com, British Airways Flight 294 (O’Hare to London Heathrow) plotted over Golf Road and Arlington Heights Road at an altitude of 4,500 feet at 5:48 p.m. after taking off
The aircraft plotted over Arlington Heights Road and Grove Street at 4,700 feet at 5:49 p.m.
The Boeing 747 plotted over Arlington Heights Road and Oakton Street at 5,200 feet at 5:49 p.m.
About the time of the explosion or bang heard at 5:49 p.m., the aircraft was over Arlington Heights Road and Hintz Road at an altitude of about 5,600 feet.