Accident investigation

Accident Investigation is a systematic process used to understand the causes of accidents and incidents in order to prevent similar occurrences in the future. It involves the collection and analysis of information, the identification of causal factors, the determination of the sequence of events, and the formulation of recommendations.

Overview

Accident investigation is a critical component of safety management systems. It is used in a variety of industries, including aviation, rail transport, marine transport, construction, and healthcare. The goal of accident investigation is not to assign blame or liability, but to identify the underlying causes of accidents and incidents and to develop effective strategies for preventing future occurrences.

Process

The process of accident investigation typically involves several key steps. These include:

• Initial response: This involves securing the scene of the accident, providing first aid and medical care to injured persons, and notifying relevant authorities.
• Data collection: This involves gathering information about the accident, including physical evidence, witness statements, and relevant documentation.
• Analysis: This involves identifying the sequence of events leading up to the accident, determining the causal factors, and identifying any underlying systemic issues.
• Recommendations: This involves developing strategies for preventing similar accidents in the future, which may include changes to procedures, training, equipment, or organizational culture.

Techniques

Several techniques are commonly used in accident investigation, including:

• Root cause analysis: This is a method of problem solving that seeks to identify the underlying causes of accidents, rather than simply addressing the immediate symptoms.
• Event tree analysis: This is a graphical representation of the sequence of events leading up to an accident, which can help to identify causal factors and potential preventative measures.
• Failure mode and effects analysis: This is a systematic method for identifying potential failures in a system and assessing the impact of those failures.

Training

Training in accident investigation is typically provided by professional organizations, educational institutions, and regulatory bodies. It often includes instruction in the principles of accident investigation, the use of specific investigation techniques, and the development of recommendations for accident prevention.

See also

• Safety management systems
• Root cause analysis
• Event tree analysis
• Failure mode and effects analysis