DAFMAN91-223_AMCSUP — Aviation Safety Investigations And Reports

DAFMAN91-223_AMCSUP governs Air Mobility Command policy for aviation mishap investigations and reporting.

Search DAFMAN91-223_AMCSUP

  • Publication number: DAFMAN91-223_AMCSUP
  • Title: AVIATION SAFETY INVESTIGATIONS AND REPORTS
  • Date: 2026-07-06

View DAFMAN91-223_AMCSUP on armypubs.army.mil


It covers general information, safety investigation board support, event reporting, and mandatory investigation requirements. It requires records to follow applicable records management and disposition rules and identifies tier waiver authorities for certain requirements.

Applies to: It applies to all Regular Air Force, United States Space Force (USSF), Air Force Reserve (AFR), and Air National Guard (ANG) military and civilian personnel.

Topics covered

  • Aviation mishap investigation and reporting
  • Safety Investigation Board support
  • Tier waiver authority delegation
  • Mandatory investigation and reporting events
  • Small UAS waiver authority
  • Physiological events
  • Propulsion-related events
  • Flight control-related events

Questions and answers

What policy does DAFMAN91-223_AMCSUP provide for aviation mishaps?

(AMC) This publication supplements DAFMAN 91-223, Aviation Safety Investigations and Reports, to provide Air Mobility Command (AMC) policy on aviation mishap investigation and reporting.

What records requirements does DAFMAN91-223_AMCSUP establish?

Ensure all records generated as a result of processes prescribed in this publication adhere to AFI 33-322, Records Management and Information Governance Program, and are disposed in accordance with the Air Force Records Disposition Schedule, which is located in the Air Force Records Information Management System.

How are waiver authorities identified in DAFMAN91-223_AMCSUP?

The authorities to waive wing or unit level requirements in this publication are identified with a Tier (“T-0, T-1, T-2, T-3”) number following the compliance statement.

What system contains the investigation reporting requirements?

Major changes were made to align guidance with the investigation reporting requirements in the AF Safety Automated System (AFSAS) https://afsas.safety.af.mil.

What happened to common core investigation requirements?

Common core investigation requirements have been moved to DAFI 91-204.

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