BY ORDER OF THE
SECRETARY OF THE AIR FORCE
DEPARTMENT OF THE AIR FORCE
INSTRUCTION 21-103
1 NOVEMBER 2022
Maintenance
EQUIPMENT INVENTORY, STATUS
AND UTILIZATION REPORTING
COMPLIANCE WITH THIS PUBLICATION IS MANDATORY
ACCESSIBILITY: Publications and forms are available for downloading or ordering on the e-
Publishing web site at www.e-publishing.af.mil
RELEASABILITY: There are no releasability restrictions on this publication.
OPR: AF/A4LM Certified by: SAF/AQD
(Ms. Angela L. Tymofichuk)
Supersedes: AFI21-103, 30 April 2020 Pages: 180
This publication implements Air Force Policy Directive (AFPD) 21-1, Maintenance of Military
Materiel; and is consistent with AFPD 13-5, Air Force Nuclear Mission. It is the basic Department
of the Air Force Instruction (DAFI) that establishes inventory, status, and utilization reporting
requirements and provides guidance and direction for managing mission-essential systems and
equipment hereafter referred to collectively as “weapon systems”. It is applicable to United States
Air Force (USAF) and United States Space Force (USSF), Air Force Reserve (AFR), Air National
Guard (ANG) and Department of the Air Force civilian personnel. Major Commands (MAJCOMs)
and USSF Field Commands (FLDCOMs) may supplement this instruction. Supplements must
identify required deviations (e.g., applicability, variance, and/or differences in organizational
placement of responsibilities and/or processes) in the supplement with the term deviation (DEV),
abbreviation “DEV”. Place the “DEV” entry after the paragraph number and directly preceding
the affected text, such as “(AMC) (DEV)” (e.g., (ADDED-AMC) (DEV) Use the...). MAJCOM
and FLDCOMs supplements will be submitted to the Air Force Maintenance Division (AF/A4LM)
at AF.A4LM.Maintenance.Policy@us.af.mil for approval. Supplements will be published in the
e-Publishing website. Compliance with the attachments 2, 3, 4, 5, 6, 15, 17, and 25 in this
publication is mandatory. Refer recommended changes and questions about this publication to the
Office of Primary Responsibility (OPR) using the Department of Air Force (DAF) Form 847,
Recommendation for Change of Publication; route AF Form 847 from the field through the
appropriate functional chain of command. The authorities to waive Wing/ Space Force
equivalent/unit level requirements in this publication are identified with a Tier (“T-0, T-1, T-2, T-
3”) number following the compliance statement. See DAFMAN 90-161, Publishing Processes and
Procedures, for a description of the authorities associated with the Tier numbers. Submit requests
