442FWI21-132 — Aircraft Fuel Systems Maintenance And Repair

442FWI21-132 governs aircraft fuel systems maintenance, repair, safety procedures, and external aircraft fuel tank storage.

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  • Publication number: 442FWI21-132
  • Title: AIRCRAFT FUEL SYSTEMS MAINTENANCE AND REPAIR
  • Date: 2024-10-29

View 442FWI21-132 on armypubs.army.mil


442FWI21-132 establishes procedures for fuel systems facilities, aircraft and external tank preparation, controlled access, and severe weather restrictions. It requires training, notifications, configuration checks, fire suppression readiness, and suspension of operations under specified conditions.

Applies to: These procedures apply to all personnel assigned to the 442d Command Post, 442d Maintenance Group and 442d Operations Group.

Topics covered

  • Aircraft fuel systems maintenance
  • External aircraft fuel tank storage
  • Fuel systems repair facilities
  • Controlled access
  • Confined space entry
  • Severe weather restrictions
  • Aircraft maintenance configuration
  • Fire suppression systems

Questions and answers

What must happen before open fuel tank or confined space entry maintenance begins?

Fire Department (660-687-4507) and Maintenance Operation Center (MOC) (660687-1250) notification prior to beginning open fuels tank/confined space entry maintenance and after completion of maintenance. (paragraph 2)

What ammunition must be removed before an aircraft is delivered for fuel systems maintenance?

All munitions, except inert training munitions, will be downloaded from aircraft. In addition, all impulse cartridges and all 30MM ammo will be downloaded. (paragraph 2)

What are the entry requirements during open fuel systems maintenance?

All personnel requiring entry into the fuel systems maintenance bay during open fuel systems maintenance will coordinate entry with the fuel systems supervisor by phone, radio or via the MOC. (paragraph 4)

When must fuel cell operations be suspended for thunderstorms or lightning?

When thunderstorms/lightning are within 10 nautical mile radius of Whiteman Air Force Base, fuel cell operations shall be suspended. (paragraph 5)

What radio restriction applies during open fuel systems maintenance?

Only intrinsically safe radios suitable for use in Class 1, Division 1, and Group D hazardous areas will be introduced and operated during open fuel systems maintenance. (paragraph 5)

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