Aircraft Accident Investigation Bureau (AAIB)

The Aircraft Accident Investigation Bureau (AAIB) is India's national agency responsible for investigating civil aviation accidents and incidents. It ensures flight safety by identifying causes and recommending preventive measures.

Context: The AAIB’s 15-page report stated that the two engine fuel control switches onboard transitioned from ‘RUN’ to ‘CUTOFF’ position, moments after lift-off.

What is the Aircraft Accident Investigation Bureau (AAIB)?

Established: 2012, to ensure independence from the Directorate General of Civil Aviation (DGCA), as per International Civil Aviation Organisation (ICAO) recommendations.
Legal Backing: Functions under the Aircraft Act, 1934, and Aircraft (Investigation of Accidents and Incidents) Rules, 2017
International Role: Functions in line with ICAO’s Chicago Convention Annex 13, making reports available for global safety improvements.

Primary Objective

To investigate aircraft accidents and serious incidents
To determine causes and contributing factors, not to apportion blame or liability.
To make safety recommendations to prevent future accidents.

Scope

Investigates all accidents and serious incidents involving civil aircraft with an All Up Weight (AUW) over 2,250 kg or turbojet aircraft in Indian airspace
May investigate other aviation safety occurrences as required.

Process

Deploys investigators to the crash site, collects and preserves evidence (wreckage, black boxes, etc.)

Collaborates with other agencies (like HAL, DGCA) for technical analysis.
Drafts and publishes final investigation reports, which are also sent to ICAO and relevant states.