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Investigations are how your organization systematically determines the root cause of safety events and develops corrective actions. PlaneConnection provides a structured workflow from report intake through investigation closure.

Prerequisites

  • You must have the safety_manager or admin role to open and manage investigations.
  • At least one submitted safety report must exist to initiate an investigation.

Investigation workflow overview

An investigation progresses through these statuses:
StatusDescription
OpenInvestigation has been created and assigned
In ProgressTeam is actively investigating
ReviewFindings are ready for review by safety management
ClosedInvestigation is complete with documented findings and recommendations

Steps

1
Open an investigation from a report
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Navigate to Reports in the Safety sidebar, then open the report you want to investigate. On the report detail page, click Open Investigation. This creates a new investigation record linked to the source report.
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An investigation number in the format INV-YYYY-NNNNN is automatically assigned.
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You can also create investigations from the Investigations page by clicking New Investigation and linking it to an existing report during creation.
5
Assign the investigation team
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On the investigation detail page, assign team members who will participate in the investigation:
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  • Click the team assignment section.
  • Search for and select team members by name or role.
  • Designate a lead investigator who will be responsible for driving the investigation to completion.
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    Document findings
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    Navigate to the Findings tab on the investigation detail page. Add findings as you uncover them:
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  • Click Add Finding.
  • Provide a title and detailed description of the finding.
  • Classify the finding type (contributing factor, root cause, observation).
  • Link the finding to specific hazards if applicable.
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    Each finding creates a documented record in the audit trail for regulatory compliance.
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    Conduct root cause analysis
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    Use the Root Cause Analysis (RCA) tools available on the investigation page:
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  • Navigate to the RCA section.
  • Select your analysis methodology (e.g., 5 Whys, Fishbone/Ishikawa, or Bowtie).
  • Document each step of the analysis.
  • Identify the root cause(s) and contributing factors.
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    Root cause analysis is a requirement under 14 CFR 5.73 (Safety Performance Assessment). Thorough RCA documentation demonstrates compliance during FAA audits.
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    Recommend corrective and preventive actions
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    Based on your findings and root cause analysis, recommend CPAs:
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  • From the investigation detail page, click Recommend CPA.
  • Fill in the CPA details — the investigation and finding references are automatically linked.
  • Specify whether the action is corrective (addresses the immediate cause) or preventive (prevents recurrence).
  • Assign an owner and due date.
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    See How to Create and Track CPAs for detailed CPA guidance.
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    Review the investigation timeline
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    The Timeline tab provides a chronological audit trail of all investigation activities including:
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  • When the investigation was opened and by whom
  • Team assignments and changes
  • Findings added or modified
  • CPAs recommended
  • Status transitions
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    This timeline is preserved for regulatory recordkeeping per 14 CFR 5.97.
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    Close the investigation
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    Once all findings are documented and CPAs are recommended:
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  • Change the investigation status to Review.
  • The safety manager or accountable executive reviews the investigation.
  • Upon approval, set the status to Closed.
  • Closing an investigation does not close its associated CPAs. CPAs continue through their own lifecycle until verified and closed. See How to Create and Track CPAs.

    Viewing your investigations

    • All investigations: Navigate to Investigations in the Safety sidebar.
    • My investigations: Click the Mine filter to see only investigations assigned to you.
    • Pending review: Click the Review filter to see investigations awaiting approval.