Wreckage of Pan Am plane that shaped aviation safety found 74 years on

The wreckage of the Pan American Airways plane, the Clipper Endeavor, has been discovered 74 years after its crash off the coast of Puerto Rico. The aircraft went down on April 11, 1952, due to multiple engine failures shortly after takeoff. While all 69 passengers and crew survived the initial impact, 52 perished as they struggled to access life vests and rafts in the rapidly sinking plane. This tragedy spurred significant aviation safety reforms, most notably the introduction of mandatory pre-flight safety briefings on all commercial flights. The discovery was made using a sonar-equipped drone by the Air/Sea Heritage Foundation in partnership with Expedition Unknown.

The wreckage of a Pan Am flight, the Clipper Endeavor, which crashed off Puerto Rico in 1952, has been discovered decades later. The accident, which resulted in the deaths of 52 people, prompted the implementation of mandatory passenger safety briefings on all commercial flights. The DC-4 aircraft experienced engine failure shortly after takeoff, leading to a hard landing in the ocean. While 17 survivors initially made it through the landing, panic ensued as passengers struggled to locate life vests and the crew faced difficulties deploying life rafts before the plane sank. Explorers located the fuselage and tail of the aircraft last month using an autonomous sonar drone in over 600 meters of water.

The wreckage of a Pan Am DC-4 airplane, known as the Clipper Endeavor, which crashed 74 years ago off the coast of Puerto Rico, has been discovered. The crash, which resulted in 52 fatalities, was a catalyst for the development of mandatory passenger safety briefings on flights. Survivors reported that panic and a lack of readily available life vests and rafts contributed to the high death toll after the plane's hard landing on the water. Explorers used an autonomous sonar drone to locate the fuselage and tail of the aircraft at a depth of 2,000 feet. The discovery, made possible by years of archival research and advanced technology, offers potential hope for families of victims from other ocean plane crashes. The search and discovery will be featured in an upcoming episode of the Discovery Channel's "Expedition Unknown."