Aviation officials in Brazil say they do not know what caused Friday's plane crash that killed all 19 people aboard a twin-engine aircraft east of Rio de Janeiro.
Rescue workers found the burned wreckage of the plane in a remote area early Saturday. The plane, owned by the Brazilian airline, Team, disappeared from radar screens Friday, 20 minutes after leaving the city of Macae for a short flight to Rio.
Witnesses said they saw the plane flying low and then heard an explosion.
A Team spokesman said flying conditions Friday were good and that the pilot had many years of experience.
Authorities said they probably will have to use DNA testing to identify the victims because the bodies were so damaged by the crash and resulting fire.