The evacuation seat has saved more than 7,600 lives to date.
It was invented in 1944 by an engineer from Northern Ireland.
James Martin, of Crossgar County, began working on the seat after his friend and business partner, Valentine Baker, died in a plane crash.
Martin Baker’s ejection set has now become a standard part of aircraft and pilot safety around the world.
A new exhibit at the Ulster Transport Museum is showing rare archival footage of test ejector sets. Along with the initial prototypes of the seat.
The Museum of Innovation is a permanent exhibition recognizing the pioneers of Northern Ireland who pushed the boundaries of engineering.
Video Journalist: Neil McCracken.