DAFI21-101_AFRCSUP_434ARWSUP — Aircraft And Equipment Maintenance Management

DAFI21-101_AFRCSUP_434ARWSUP governs aircraft, equipment, and aerospace equipment maintenance management for the 434 Air Refueling Wing.

Search DAFI21-101_AFRCSUP_434ARWSUP

  • Publication number: DAFI21-101_AFRCSUP_434ARWSUP
  • Title: AIRCRAFT AND EQUIPMENT MAINTENANCE MANAGEMENT
  • Date: 2026-08-14

View DAFI21-101_AFRCSUP_434ARWSUP on armypubs.army.mil

The publication covers maintenance management for weapon systems, support equipment, aircraft systems, equipment, and components. It includes safety guidance, risk management, and procedures for maintenance operations.

Applies to: supplement applies to all Air Force personnel assigned to the 434 Air Refueling Wing (ARW) that maintain and support aircraft, aircraft systems, equipment, support equipment and components.

Topics covered

  • Aircraft maintenance management
  • Aerospace equipment maintenance
  • Weapon systems maintenance
  • Support equipment maintenance
  • Maintenance safety
  • Risk management
  • Knock-it-Off procedures

Questions and answers

What does DAFI21-101_AFRCSUP_434ARWSUP require for hazardous maintenance situations?

Most hazardous situations can be avoided by following approved procedures, asking for assistance when needed, and using all required personal protective equipment (PPE).

Who can call “Knock-it-Off” during a risky maintenance operation?

All MXG personnel have the responsibility and authority to call “Knock-it-Off” when there are significant changes to the amount of risk involved in the operation/task.

What happens after maintenance personnel call “Knock-it-Off”?

Supervision will be immediately notified to determine the proper course of action.

What must the maintenance team do after “Knock-it-Off” is called?

Safety permitting - stop all activities in question.

What must the initiating maintenance team member do after calling “Knock-it-Off”?

The initiating maintenance team member will voice his or her concerns to the team.

Ask Reggie.Bot a question about DAFI21-101_AFRCSUP_434ARWSUP