Overview

• The AS355N helicopter went down at 10:37 AM on July 10 during the MITSATOM 2025 mock nuclear security drill 21 meters from a jetty on Sungai Pulai in Johor.
• Marine Police Force teams rescued all five occupants and transported them to Sultanah Aminah Hospital where two remain in critical condition on respiratory support.
• The Air Accident Investigation Bureau under the Ministry of Transport is leading the probe in accordance with civil aviation regulations to determine the crash’s cause.
• Royal Malaysia Police have launched an internal review of equipment usage as scrutiny intensifies over the nearly three-decade-old AS355N fleet’s maintenance.
• Organizers halted the multinational exercise and asked media on site to delete footage to safeguard the integrity of the investigation and privacy of those involved.