DESR6055.09_AFMAN91-201_YOKOTAABSUP — Explosives Safety Standards

DESR6055.09_AFMAN91-201_YOKOTAABSUP governs explosives safety standards, event waivers, foreign munitions acceptance, and compensatory measures at Yokota Air Base.

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  • Publication number: DESR6055.09_AFMAN91-201_YOKOTAABSUP
  • Title: EXPLOSIVES SAFETY STANDARDS
  • Date: 2023-08-30

View DESR6055.09_AFMAN91-201_YOKOTAABSUP on armypubs.army.mil


The supplement sets requirements for event waiver memorandums, foreign munitions requests, and compensatory measures at explosive sites. It also establishes limits for explosive weights, aircraft parking, and operations during electrical storms.

Applies to: This supplement applies to all assigned, attached, and associate Pacific Air Forces (PACAF) units at Yokota Air Base (AB).

Topics covered

  • Event waivers
  • Foreign munitions acceptance
  • Compensatory measures
  • Explosive weight limits
  • Aircraft parking restrictions
  • Electrical storm operations

Questions and answers

What must units requesting an event waiver provide?

Units requesting an event waiver will provide a memorandum signed by their unit commander detailed enough to facilitate the waiver and risk assessment by 374 AW/SEW. (paragraph 91-201)

What is required before foreign munitions are accepted at Yokota Air Base?

Prior to acceptance of foreign munitions on Yokota AB, a written request from multinational forces must be obtained by the sponsoring unit and routed through 374 AW/SEW for PACAF approval. (paragraph 91-201)

What are compensatory measures used for?

Compensatory measures are administrative procedures used to remove explosive exposure or hazards to personnel and equipment that would otherwise result in an explosive violation. (paragraph 91-201)

What is the maximum day-to-day explosive operation limit in building 1308?

Day-to-day explosive operations in building 1308 are limited to a maximum of 80 pounds of hazard class/division (HC/D) 1.1. (paragraph 91-201)

What happens when HC-1 and 5123 are used concurrently?

The net explosive weight (NEW) of HC-1 and 5123 will be limited to 6000 pounds of HC/D 1.1 when used concurrently. If either location is used to store more than 6000 pounds, the other location is restricted from explosive use. (paragraph 91-201)

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