DAFMAN 91-223: AVIATION SAFETY INVESTIGATIONS AND REPORTS

DAFMAN 91-223 — index record

Number	DAFMAN 91-223
Title	AVIATION SAFETY INVESTIGATIONS AND REPORTS
Published	September 20, 2022
Certified current	September 20, 2022
Guidance memorandum	March 11, 2026
Office of primary responsibility	AF/SE
Issued by	Headquarters, Department of the Air Force
Status on the index	Current
Last index action	GM, March 11, 2026
Source index	Air Force e-Publishing
Index last read	October 20, 2026

Copied from Air Force e-Publishing (index). The publication itself is the authority; this page does not summarize or interpret it. Verify the current edition on the index before acting.

From the publication itself

Text below is lifted mechanically from the official PDF (26 pages, read October 20, 2026) with no editing or interpretation. Quote the document, not this page.

Purpose, in the publication’s words

This publication is subject to the Paperwork Reduction Act of 1995.

Summary of changes, as printed

This document has been substantially revised and must be completely reviewed. Major changes were made to align guidance with the investigation reporting requirements in the AF Safety Automated System (AFSAS) https://afsas.safety.af.mil. Common core investigation requirements have been moved to DAFI 91-204. All references to the terms “formal report(s), formal safety report(s), and safety investigation report(s)” have been replaced with the term “safety report(s)”. The use of “tab(s)” in safety investigation reporting have been replaced with “exhibit(s)”.

Chapter 1—GENERAL INFORMATIONp. 4
Chapter 2—ROLES AND RESPONSIBILITIESp. 5
Chapter 3—EVENT REPORTINGp. 7
Chapter 4—INTERIM SAFETY BOARDp. 13
Chapter 5—SIB REQUIREMENTSp. 17
Chapter 6—INVESTIGATION PROCEDURES AND TECHNIQUESp. 24
Chapter 7—SAFETY REPORTSp. 31
Chapter 8—OTHER REPORTING REQUIREMENTSp. 39
Attachment 1—GLOSSARY OF REFERENCES AND SUPPORTING INFORMATIONp. 43
Attachment 2—ORGANIZATION CONTACT INFORMATIONp. 48

All 37 contents entries

Chapter 1—GENERAL INFORMATIONp. 4
1.1. Overviewp. 4
1.2. SIB Supportp. 4
Chapter 2—ROLES AND RESPONSIBILITIESp. 5
2.1. Convening Authorityp. 5
2.3. Director or Chief of Safetyp. 5
2.4. Interim Safety Boardp. 6
2.5. Safety Investigation Boardp. 6
Chapter 3—EVENT REPORTINGp. 7
3.1. Mandatory Investigation and Reporting Requirementsp. 7
3.2. Small UAS (sUAS) Waiver Authorityp. 7
3.3. Mandatory Investigation and Reporting Eventsp. 7
Chapter 4—INTERIM SAFETY BOARDp. 13
4.1. ISB Dutiesp. 13
4.2. ISB Membershipp. 13
4.3. Evidence Collection and Preservationp. 15
Chapter 5—SIB REQUIREMENTSp. 17
5.1. SIB Membershipp. 17
5.2. Class C-E Mishap and Hazard Membersp. 17
5.3. Obtaining Technical Expertsp. 17
Chapter 6—INVESTIGATION PROCEDURES AND TECHNIQUESp. 24
6.1. Procedures and Techniquesp. 24
6.2. Privileged Safety Informationp. 24
6.3. SIB Day One Briefingp. 24
6.4. Non-Disclosure Agreements (NDA)p. 24
6.5. Evidence Collection and Analysisp. 24
6.6. Transferring and Disposing of Evidencep. 28
6.7. Temporary De-Conveningp. 28
6.8. SIB Conclusionp. 29
Chapter 7—SAFETY REPORTSp. 31
7.1. Safety Reportsp. 31
7.2. Class A and B SIB Safety Reportsp. 38
Chapter 8—OTHER REPORTING REQUIREMENTSp. 39
8.1. HATR and CMAV Reporting Proceduresp. 39
8.2. BASH Reporting Proceduresp. 41
Attachment 1—GLOSSARY OF REFERENCES AND SUPPORTING INFORMATIONp. 43
Attachment 2—ORGANIZATION CONTACT INFORMATIONp. 48

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DAFMAN 91-223

DAFMAN 91-223 — index record

From the publication itself

Purpose, in the publication’s words

Summary of changes, as printed

Contents

Other DAFMAN publications nearby in the series