The crash in 1952 killed 52 people and led to requirements for the passenger safety briefings given on every commercial flight.

The plane, a Piper J3C-65, struck the house in Fulshear, Texas, around 6:45 a.m. on Monday, the authorities said. Its pilot was in serious condition on Tuesday, a hospital spokesman said.

The tragedy was pivotal in creating the preflight safety briefing and emergency procedure demonstrations on flights.

More than 70 years after a Pan Am plane crash off Puerto Rico prompted a major overhaul in airline safety, searchers have finally found the wreckage. According to the Associated Press, Pan Am Flight 526A,

Remarkably, all 69 people on board survived when the plane ditched in the sea. What killed 52 of them happened afterwards.

Moment shocked Pan Am research team discover wreckage of lost plane 74 years laterSource: Expedition Unknown