The NSIB is structured into specialised operational and administrative arms. Each directorate plays a defined role in delivering independent, world-class transport safety investigation.
The core investigative arm of the Bureau, leading multi-modal accident and serious incident investigations across aviation, maritime, and rail sectors.
Provides scientific and engineering analysis — flight data readout, structural assessment, and forensic support — underpinning every investigation.
Ensures all Bureau activities comply with national legislation, international conventions, and investigative standards such as ICAO Annex 13.
Manages the Bureau's financial resources, budgetary planning, procurement, and expenditure accountability to public and international standards.
Coordinates media relations, public communications, and dedicated support programmes for families and communities affected by transport accidents.
Oversees personnel management, workforce development, staff welfare, and day-to-day administrative operations across the Bureau.
Coordinates cross-cutting support functions — ICT, facilities, records management — ensuring seamless operations across all directorates.
Manages deployment logistics, field coordination, and rapid response readiness, ensuring investigators can reach accident sites without delay.