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Other aircraft modifications

STC SA420CH

FAA DRS lists SA420CH as Current · Reissued, held by Champion Aerospace LLC, for Cessna Aircraft 172I, Cessna Aircraft 172K, and Cessna Aircraft 172L, and 3 more aircraft configurations. Recorded change: Install the Champion Limited Authority Spark Advance Regulator (LASARTM) ignition system. Snapshot dated June 30, 2026.

FAA-listed holder
Champion Aerospace LLC
Aircraft configurations
6
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Install the Champion Limited Authority Spark Advance Regulator (LASARTM) ignition system.

SA420CH 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: Cessna Aircraft 172I, Cessna Aircraft 172K, and Cessna Aircraft 172L, and 3 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Cessna Aircraft 172I3A12Cessna Aircraft 172K3A12Cessna Aircraft 172L3A12Cessna Aircraft 172M3A12Cessna Aircraft 172N3A12Cessna Aircraft 172P3A12

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Cessna Aircraft 172I and Cessna Aircraft 172K, and 4 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?

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