The de Havilland DH.106 Comet was one of the most revolutionary planes in aviation history. It holds the title of being the first commercial jet airliner in the world. The aircraft’s first flight was in July 1949, and it was introduced in May 1952 with BOAC. However, following the type’s launch, it had some controversial moments in its early years. These incidents led to extensive research, which saw the Comet being submerged underwater.