Yugandhar, director general of the Aircraft Accident Investigation Bureau (AAIB), is heading a multidisciplinary team investigating the June 12 Boeing 787 Dreamliner disaster, which resulted in 270 fatalities
India’s top aircraft accident investigator, GVG Yugandhar, has been granted an X-category security detail from the Central Reserve Police Force (CRPF) as he leads the sensitive inquiry into the crash of Air India flight AI 171 in Ahmedabad. The protective measure follows a threat assessment by central intelligence agencies and involves three to four armed commandos accompanying him across the country.
Yugandhar, director general of the Aircraft Accident Investigation Bureau (AAIB), is heading a multidisciplinary team investigating the June 12 Boeing 787 Dreamliner disaster, which resulted in 270 fatalities. The probe includes experts from the US National Transportation Safety Board and technical teams from Boeing and GE .
In an unusual development, the International Civil Aviation Organisation (ICAO) has been granted observer status to participate in the investigation — a rare move reflecting the crash’s international implications .
Meanwhile, the AAIB is conducting the analysis of the aircraft’s black boxes at its newly operational lab in New Delhi. The cockpit voice and flight data recorders were airlifted under tight security, with one device’s data already retrieved. Authorities expect preliminary findings within seven to ten days.

