Wreckage of Pan Am plane that shaped aviation safety found 74 years on
The deaths of 52 people on the Clipper Endeavor led to the introduction of mandatory pre-flight safety briefings.
· 7/22/2026, 3:50:17 PM· 2 min read

The deaths of 52 people on the Clipper Endeavor led to the introduction of mandatory pre-flight safety briefings.
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