The tragic crash involving two Royal Malaysian Navy aircraft on April 23 was mainly caused by the Fennec helicopter deviating from its designated altitude and course and entering the flight path of the AW139 helicopter, according to the Board of Inquiry findings.

Navy chief Admiral Abdul Rahman Ayob said the Board of Inquiry also concluded that the secondary factor of the crash was the channelled attention of the AW139 helicopter crew, who were focused on changing course, thereby limiting their reaction to avoid the collision.