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Fuel systems

STC ST00847SE

FAA DRS lists ST00847SE as Current · Reissued, held by Ontic Engineering and Manufacturing Inc., for Boeing 737-100 Series, Boeing 737-400 Series, and Boeing 737-300 Series, and 2 more aircraft configurations. Recorded change: Installation of Model 4035 Transient Suppression Units on Boeing 737 Classic Airplanes fitted with Smiths Digital Fuel Gauging Systems. Snapshot dated June 30, 2026.

FAA-listed holder
Ontic Engineering and Manufacturing Inc.
Aircraft configurations
5
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of Model 4035 Transient Suppression Units on Boeing 737 Classic Airplanes fitted with Smiths Digital Fuel Gauging Systems.

ST00847SE 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 737-100 Series, Boeing 737-400 Series, and Boeing 737-300 Series, and 2 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Boeing 737-100 SeriesA16WEBoeing 737-400 SeriesA16WEBoeing 737-300 SeriesA16WEBoeing 737-500 SeriesA16WEBoeing 737-200 SeriesA16WE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Boeing 737-100 Series and Boeing 737-400 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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