What happened
On May 20, 1998, an EMB 820C Navajo, operated by Bahia Táxi Aéreo (BATA) with registration PT-ENP, was performing a scheduled flight from Salvador to Guanambi, Brazil. The mission involved transporting security personnel to collect high-value cargo. The flight proceeded normally until the final approach phase.
During the base leg of the approach, the aircraft entered a descending right-hand turn and collided with the ground approximately 1.5 nautical miles from the runway threshold at Guanambi. The impact was followed by an explosion. All three occupants—the pilot, co-pilot, and one passenger—sustained fatal injuries due to multiple trauma and thermal effects.
The investigation
CENIPA investigators examined the wreckage and the aircraft's maintenance history. The investigation found that the aircraft was in airworthy condition, with up-to-date maintenance and valid certifications. However, physical evidence from the wreckage indicated that the rudder trim was fully deflected to the left.
Engine examinations revealed that the left engine had no power at the moment of impact, while the right engine was operating at reduced power. Witnesses reported hearing a rhythmic sputtering sound (