Accident investigations may involve various techniques depending on the circumstances. Some common techniques include:

• Interviews: Speaking with witnesses, involved parties, and subject matter experts to gather information.
• Evidence collection: Collecting physical evidence, photographs, video footage, and documentation related to the accident.
• Analysis methods: Using tools like fault tree analysis, event reconstruction, or human factors analysis to understand the sequence of events and contributing factors.
• Documentation review: Reviewing policies, procedures, training records, and maintenance logs to identify any systemic issues or non-compliance.