On 14 May 2004, the aircraft operating the flight, an Embraer EMB 120 Brasilia, crashed into the dense Amazon rainforest while on approach to Manaus.

[1] It was the deadliest accident involving an Embraer EMB 120 Brasilia and the deadliest in the airline's history, surpassing the previous crash of Rico Linhas Aéreas Flight 4823, which occurred 2 years before the crash of Flight 4815.

[1] The flight was operated by Manaus-based regional airline Rico Linhas Aéreas.

The Embraer 120ER Brasília registration PT-WRO had 30 passengers and 3 crew on board, all of them Brazilians.

20 nautical miles (23 mi; 37 km) from the airport, as the aircraft was following the landing pattern to Manaus, air traffic control vectored the flight out of the landing pattern to the left to make room for a priority medical flight.