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Fuel systems

STC ST00846SE

FAA DRS lists ST00846SE as Current · Amended, held by Butler National Corporation, for Boeing 747SP Series, Boeing 747-300 Series, and Boeing 747-200 Series, and 2 more aircraft configurations. Recorded change: Installation of Model 840037-108, 840037-112, and 840037-113 Transient Suppression Devices on Boeing 747 Classic Airplanes fitted with Honeywell Analog Fuel Quantity Indication Systems. Snapshot dated June 30, 2026.

FAA-listed holder
Butler National Corporation
Aircraft configurations
5
FAA revision date
FAA status
Current · Amended

Recorded modification

What the FAA record covers

Installation of Model 840037-108, 840037-112, and 840037-113 Transient Suppression Devices on Boeing 747 Classic Airplanes fitted with Honeywell Analog Fuel Quantity Indication Systems.

ST00846SE identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.

Applicability

Aircraft named in FAA DRS

Named aircraft: Boeing 747SP Series, Boeing 747-300 Series, and Boeing 747-200 Series, and 2 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Boeing 747SP SeriesA20WEBoeing 747-300 SeriesA20WEBoeing 747-200 SeriesA20WEBoeing 747-100 SeriesA20WEBoeing 747SR SeriesA20WE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Boeing 747SP Series and Boeing 747-300 Series, and 3 more aircraft configurations model, serial range, and configuration?
  2. 02Which tanks, plumbing, usable-fuel assumptions, and inspections apply?
  3. 03Who can legally supply the design data, kit, instructions, and ICAs?
  4. 04What parts, labor, conformity, and return-to-service work are excluded?

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