TV Guide National Geographic Channel Tuesday

In late July 2000, a Concorde operating as Air France Flight 4590 en route to New York City, USA, stalled and crashed into a hotel in Gonesse shorty after take off from Paris' Charles de Gaulle Airport. All the 109 passengers and crew died in the accident, as well as four on the ground. Aviation experts try to explain exactly what went wrong

The story of space shuttle Columbia - hailed as the most complex craft ever built - which overcame technological challenges to become the first of its kind to fly into outer space in April 1981. The programme recalls its tragic disintegration in February 2003 on its 28th mission upon re-entry into Earth's atmosphere after 16 days in space, resulting in the deaths of all seven astronauts on board