934AWI21-112 — Hangar Door Operations

934AWI21-112 governs hangar door operations, including training, qualification, safety checks, and operating procedures.

Search 934AWI21-112

  • Publication number: 934AWI21-112
  • Title: HANGAR DOOR OPERATIONS
  • Date: 2026-08-19

View 934AWI21-112 on armypubs.army.mil


It covers hangar doors in Buildings 821 and 870, operator and awareness training, posted checklists, and door maintenance. It requires annual training, qualified operators, physical operation before certification, and compliance with applicable checklists.

Applies to: It applies to all users and maintainers of this equipment.

Topics covered

  • Hangar door operations
  • Operator qualification
  • Awareness training
  • Building 821 hangar doors
  • Building 870 hangar doors
  • Door safety checks
  • Emergency manual operation

Questions and answers

How often must hangar door operators be trained?

All operators must be trained by a qualified trainer annually.

What must operator training include before certification?

Training must include physical operation of hangar doors prior to certification of each specific hangar door.

How often is hangar door awareness training required?

Awareness training is an annual requirement.

What must operators do before operating a hangar door?

All operators will refer to and comply with detailed checklists posted on the applicable hangar door (See attachment 2 for building 821 and attachment 3 for building 870). (paragraph 4)

Is hearing protection required during hangar door operation?

Hearing protection is required during any hangar door operation. (paragraph 4)

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