What happened
During a routine training mission originating from Montijo Air Base, a twin engine aircraft experienced a loss of control. The aircraft descended into the Tagus River during its departure phase. Following the incident, search efforts located the wreckage in the waters near Rato Island.
All four crew members on board the aircraft perished in the accident. There were no other occupants reported in the wreckage found at the site.
Findings
The investigation determined that the aircraft became uncontrollable while performing local maneuvers, leading to the impact with the water.