An ultralight plane, identified as a Cessna 170A owned by an advertising company, crashed into the sea off Rio de Janeiro's Copacabana beach on Saturday afternoon. The pilot was killed in the incident, and their body was recovered for identification. Security camera footage shows the plane diving nose-first into the water. Rescue teams, including divers and sonar equipment, searched the area for wreckage and potential additional victims. The Brazilian air force has launched an investigation into the cause of the crash.