GRISSOMARBI91-203 — Hangar Door Operations And Markings

GRISSOMARBI91-203 governs safety guidelines, procedures, and responsibilities for Grissom hangar door operations.

Search GRISSOMARBI91-203

  • Publication number: GRISSOMARBI91-203
  • Title: HANGAR DOOR OPERATIONS AND MARKINGS
  • Date: 2021-07-22

View GRISSOMARBI91-203 on armypubs.army.mil


It covers training, awareness training, documentation, normal operations, adverse conditions, and additional safety procedures. The publication requires documented training and sets operating conditions for electric and manually operated hangar doors.

Applies to: It applies to all individuals at all levels of the 434 Air Refueling Wing (ARW), including, but not limited to, tenant units, visitors, contractors, concessionaries, and the Base Operating Services (BOS) contractor, excluding the Air Force Reserve and Air National Guard (ANG), except where noted otherwise.

Topics covered

  • Hangar door training
  • Hangar door awareness training
  • Electric hangar door operations
  • Hangar door documentation
  • Hangar door adverse conditions
  • Clear Zones
  • Minimum door opening markings

Questions and answers

Who must receive hangar door awareness training?

All personnel who routinely visit, work, or pass through hangar facilities must receive initial and annual refresher hangar door awareness training, regardless of Air Force Specialty Code or duties. (paragraph 3)

Who may open or close electric hangar doors?

Only properly trained and documented operators will open or close electric hangar doors. (paragraph 5)

What must happen if hangar door warning bells malfunction?

Discontinue operation any time the warning bells malfunction, and notify a MXG supervisor to lock out the system until repaired. (paragraph 91-203)

What documentation is required for hangar door training?

All Hangar Door training (Awareness & Operator) will be documented in ARCNet for Maintenance Group personnel. Personnel without ARCNet access for training will be documented on AF Form 55, Employee Safety and Health Record or equivalent, which will be updated annually. (paragraph 6)

What must happen to hangar door tracks before operation in snow or ice?

Inspect the door tracks for snow/ice accumulation prior to any door operation. Remove all ice/snow from tracks prior to door operation. If necessary, apply heat until all ice/snow is removed and doors are able to move. (paragraph 6)

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