DAFMAN91-223 — Aviation Safety Investigations And Reports

DAFMAN91-223 governs aviation safety investigations and reports, including aviation event reporting, hazard documentation, and wildlife strike procedures.

Search DAFMAN91-223

  • Publication number: DAFMAN91-223
  • Title: AVIATION SAFETY INVESTIGATIONS AND REPORTS
  • Date: 2022-09-20

View DAFMAN91-223 on armypubs.army.mil


The publication requires investigation and reporting of Class E aviation mishaps and aviation hazards in AFSAS. It also covers ASAP, HATR, CMAV, and BASH reporting, investigation documentation, and wildlife strike remains.

Applies to: This guidance is applicable to the United States Air Force and the United States Space Force.

Topics covered

  • Aviation mishap reporting
  • Aviation hazard reporting
  • ASAP reporting
  • HATR and CMAV reporting
  • BASH reporting
  • Wildlife strike remains
  • Mishap report documentation

Questions and answers

What must aviation hazard reports contain at a minimum?

CAs will ensure that documented hazard reports have, as a minimum, a completed Sequence of Event section (paragraph 7.1.1.1) and a completed Investigation Conclusions section (paragraph 7.1.1.4).

What information do ASAP reports provide?

ASAP reports provide a crew’s, maintainer’s, or other aviation operations personnel’s first-person account of events, plus their recommended corrective actions.

What should the Sequence of Event section contain in a hazard report?

For a hazard report, this section is a plain-text description of the hazardous condition.

How are damaging and non-damaging BASH events reported?

Safety staffs will report all damaging BASH events as the applicable mishap class, and all non-damaging BASH events as hazards.

What happens to wildlife strike remains while Smithsonian funding is paused?

Due to the pause in funding for the Smithsonian Institution’s Feather Identification Lab, safety offices or SIBs/SIOs will collect, preserve, and document wildlife strike remains but will not ship them.

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