DAFMAN91-224 — Ground Safety Investigations And Reports

DAFMAN91-224 governs Department of the Air Force ground, motor vehicle and afloat mishap investigations and reporting.

Search DAFMAN91-224

  • Publication number: DAFMAN91-224
  • Title: GROUND SAFETY INVESTIGATIONS AND REPORTS
  • Date: 2022-01-21

View DAFMAN91-224 on armypubs.army.mil


DAFMAN91-224 covers mishap classifications, AFSAS entries, human factors analysis, one-liners, and report acronyms. It establishes mandatory and optional reporting, documentation, coding, and data-entry requirements.

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

Topics covered

  • Mishap reporting criteria
  • AFSAS mishap records
  • Human factors analysis codes
  • Mishap one-liners
  • OSHA recordable events
  • Investigation deletion requests

Questions and answers

What Class E events require mandatory reporting under DAFMAN91-224?

There are no Class E events that require mandatory reporting.

Is reporting or recording of events outside the mishap criteria mandatory?

Reporting or recording these events is voluntary.

What documentation is required for a mishap deletion request?

Investigators requesting deletion due to a DoDI 6055.07 exemption or other exception to mandatory reporting will upload supporting documentation to the appropriate AFSAS exhibit. (paragraph 2)

When is human factors analysis coding mandatory?

Coding is mandatory for Class A and B mishaps and optional for other mishap classes. (paragraph 2)

What four parts must a mishap one-liner contain?

The One-Liner will be made up of four parts, separated by a semi-colon, in the following order: Activity; What happened; What was damaged/broken/injured; What was the outcome. (paragraph 2)

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