DAFI91-204_ACCSUP — Safety Investigations And Reports

DAFI91-204_ACCSUP governs Air Combat Command requirements for safety investigations, reports, mishap convening authority, and investigative responsibility.

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  • Publication number: DAFI91-204_ACCSUP
  • Title: SAFETY INVESTIGATIONS AND REPORTS
  • Date: 2026-05-04

View DAFI91-204_ACCSUP on armypubs.army.mil


It addresses command safety investigations and reports, including events involving multiple commands, multiple services, and Air Reserve Component assets. Compliance with the publication’s attachments is mandatory, and its requirements include written delegation of certain convening authority.

Applies to: It applies to commanders, functional managers, supervisors, and all other Air Combat Command (ACC) personnel.

Topics covered

  • Command safety investigations
  • Mishap convening authority
  • Investigative responsibility
  • Events involving multiple commands
  • Events involving multiple services
  • Air Reserve Component events
  • Safety reports

Questions and answers

Who is the convening authority for off-duty ground safety reportable mishaps?

The Convening Authority for Ground Safety reportable mishaps falling under the off-duty category (as defined by Para 19.2) will be the nearest ACC unit with a full time qualified occupational safety 1S0 or 0018. (paragraph 2)

Who is the convening authority for on-duty Class A and specified nuclear mishaps?

For all on-duty Class A and all NUCFLASH, BROKEN ARROW, EMPTY QUIVER, or BENT SPEAR mishaps, the MAJCOM/FC commander is the Convening Authority unless: AF/SE assumes investigative responsibility, Convening Authority responsibility is transferred to another MAJCOM/FC commander (with the concurrence of both commanders and AF/SE). (paragraph 2)

When can convening authority be delegated for other events?

For all other events, the Convening Authority may be delegated to an appropriate subordinate command level. (paragraph 2)

Which command assumes investigative responsibility when multiple commands are involved?

In general, the MAJCOM/FC whose asset initiated the event will assume investigative responsibility. (paragraph 2)

What happens when multiple MAJCOM/FCs cannot agree on investigative responsibility?

If the MAJCOM/FCs cannot reach agreement, the AF/SE will determine event investigation responsibility. (paragraph 2)

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