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Other aircraft modifications

STC SA03317CH

FAA DRS lists SA03317CH as Current · Reissued, held by PECO Inc, for Textron Aviation 421, Textron Aviation 421A, and Textron Aviation 421B, and 1 more aircraft configuration. Recorded change: Installation of Max-Viz EVS-600 Enhanced Vision System. Snapshot dated June 30, 2026.

FAA-listed holder
Aircraft configurations
4
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of Max-Viz EVS-600 Enhanced Vision System.

SA03317CH 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 Aviation 421, Textron Aviation 421A, and Textron Aviation 421B, and 1 more aircraft configuration. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Textron Aviation 421 and Textron Aviation 421A, and 2 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?