Model airplane sparking its way through the launcher’s channel. (Credit: Tom Stanton, YouTube) For [Tom]’s design, permanent magnets are used along both sides of the channel in an alternating ...

Four ducted fans provide the propulsive power that lift this enormous model airplane into the skies, which is the only part where the noise profile doesn’t quite match that of the real A380.

The collision occurred in airspace that is difficult to navigate. Flight data, video and air traffic control audio show how the tragedy unfolded.