What significant change resulted from the Lockerbie accident?

The significant change that resulted from the Lockerbie accident was the introduction of 100% baggage screening and bag reconciliation. This tragic event, where a terrorist bomb caused a Pan Am flight to explode over Lockerbie, Scotland, highlighted serious vulnerabilities in aviation security, particularly concerning unchecked baggage.

As a direct response to the incident, the aviation industry recognized the critical need for comprehensive measures to ensure that all baggage was screened before being loaded onto aircraft. This led to policies and procedures being put in place mandating that every piece of baggage undergoes thorough screening. Additionally, bag reconciliation practices were developed to ensure that no baggage was loaded onto a plane unless its owner was also on the flight, thereby reducing the likelihood of unaccompanied bags posing security risks. These measures have since become standard protocols in the airline industry to enhance safety and security for passengers during flights.