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Other aircraft modifications

STC SE524CH

FAA DRS lists SE524CH as Current · Reissued, held by Champion Aerospace LLC, for Textron Lycoming AVCO IO-360-A2B, Textron Lycoming AVCO IO-360-L2A, and Textron Lycoming AVCO IO-360-B1B, and 37 more aircraft configurations. Recorded change: Replace Slick 4000, 4100, 4200, and 4300 series magnetos and TCM/Bendix S-20, S-200, and S-1200 series magnetos with the Champion Limited Authority Spark Advance Regulator (LASAR ). Snapshot dated June 30, 2026.

FAA-listed holder
Aircraft configurations
40
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Replace Slick 4000, 4100, 4200, and 4300 series magnetos and TCM/Bendix S-20, S-200, and S-1200 series magnetos with the Champion Limited Authority Spark Advance Regulator (LASAR ).

SE524CH 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 IO-360-A2B, Textron Lycoming AVCO IO-360-L2A, and Textron Lycoming AVCO IO-360-B1B, and 37 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Textron Lycoming AVCO IO-360-A2B and Textron Lycoming AVCO IO-360-L2A, and 38 more aircraft configurations model, serial range, and configuration?
  2. 02Which configuration, parts, installation data, limitations, and ICAs 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?