Pan American World Airways Flight 202 was a Boeing 377 Stratocruiser aircraft that crashed in the Amazon Basin about 281 nautical miles (320 mi; 520 km) southwest of Carolina, Brazil on April 29, 1952. The accident happened en route from Rio de Janeiro, Brazil, to Port of Spain, Trinidad and Tobago, during the third leg of a four-leg journey. All 50 people on board were killed in the deadliest-ever accident involving the Boeing 377.