KADENAABI21-101 — Welding On Aircraft

KADENAABI21-101 governs procedures for welding and silver soldering on aircraft at Kadena Air Base.

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  • Publication number: KADENAABI21-101
  • Title: WELDING ON AIRCRAFT
  • Date: 2025-06-17

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It specifies aircraft placement, wind, weather, separation, and fire-safety conditions for welding and silver soldering. It requires coordination with the Fire Department, checklist completion, and a signed hot work permit at the welding site.

Applies to: This publication applies to all 18th Wing military, civilian, contract personnel and units assigned or attached to Kadena Air Base (AB) unless limited by waiver granted under host-tenant agreement.

Topics covered

  • Aircraft welding
  • Silver soldering
  • Aircraft placement
  • Fire safety checklists
  • Hot Work Permit
  • Welding equipment exceptions

Questions and answers

Where should aircraft welding be performed?

IAW Air Force Manual (DAFMAN) 91-203, Air Force Occupational Safety, Fire, and Health Standards, paragraph 24.3.3.4, Welding on Aircraft, should be done outside of hangars, if possible. (paragraph 2)

What conditions allow aircraft welding in three-sided revetments?

If hangar space cannot be made available, aircraft can be welded while parked in three-sided revetments provided the ground wind speed is 5 knots, or less and the ground is dry with no rain anticipated. (paragraph 2)

What wind limit applies when welding C-130 aircraft on hardstands?

C-130 aircraft may be welded on the hardstands provided wind speed does not exceed 5 knots. (paragraph 2)

How far must silver soldering be from flammable materials?

Not within 100 feet of flammable materials to include in ground fuel storage tanks. (paragraph 2)

What conditions apply to aircraft requiring silver hard soldering?

Aircraft requiring silver (hard) soldering can be accomplished at any location provided the following criteria are met. (paragraph 2)

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