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Fuel systems

STC SE442GL

FAA DRS lists SE442GL as Current · Reissued, held by Shadin Avionics, for Textron Lycoming AVCO IGSO-540-A1A and Textron Lycoming AVCO IGSO-540-A1D. Recorded change: Incorporation of a fuel flow transducer. Snapshot dated June 30, 2026.

FAA-listed holder
Shadin Avionics
Aircraft configurations
2
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Incorporation of a fuel flow transducer.

SE442GL 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: Textron Lycoming AVCO IGSO-540-A1A and Textron Lycoming AVCO IGSO-540-A1D. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Textron Lycoming AVCO IGSO-540-A1A1E7
Textron Lycoming AVCO IGSO-540-A1D1E7

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Textron Lycoming AVCO IGSO-540-A1A and Textron Lycoming AVCO IGSO-540-A1D 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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