Adam Air Flight 574 veered off course due to an inertial navigation system malfunction and the captain deactivated the autopilot but the deactivation caused some of the plane's instruments to stop. The crew did not notice that the plane was making a slow turn to the right and the plane was tilting too far and the alarm sounded on board The captain had flown the plane several times but he didn't always and he believed that the autopilot would level the plane But the autopilot failed Eventually, the captain's wrong approach caused the plane to spiral down at nearly the speed of sound and disintegrate, killing all 102 people on board. Poor English may have some grammatical mistakes hope you can understand this text