Date: June 23, 1985
Deemed the deadliest terror attack involving a plane at the time, the Air India Boeing 747 crashed off the coast of Ireland en route from Toronto to Sahar International in India, after a bomb placed in the cargo hold by Sikh extremists Babbar Khalsa exploded over the Atlantic.
The passenger responsible is believed to be 'M Singh' who checked himself onto the flight - along with a suitcase - but did not board. A second bomb intended to go off in tandem on another flight exploded early in the terminal building at Narita Airport, Japan.
An investigation into the bombing of Flight 182 found numerous failings in the security processes in Canada that allowed the terrorist attack to be successful. A number of memorials commemorate those who died, in Canada and Ireland.