#3: Pan Am Flight 103 (Lockerbie, 1988)
En route from London to New York, a bomb hidden in checked luggage exploded, destroying the aircraft over the Scottish town of Lockerbie. The plane broke apart in midair, scattering wreckage and debris across neighborhoods. All 259 passengers and crew, along with 11 residents on the ground, were killed.

The attack stunned the world. Investigators tied the bombing to Libyan operatives, sparking decades of trials and political fallout. Airports worldwide increased baggage screening and tightened security. For Lockerbie, the scars remain deep, while globally the disaster highlighted the new reality of terrorism targeting civil aviation.
