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Other aircraft modifications

STC SA09418AC-D

FAA DRS lists SA09418AC-D as Current · Issued, held by S-TEC Corporation, for Raytheon Aircraft K35, Raytheon Aircraft M35, and Raytheon Aircraft P35, and 3 more aircraft configurations. Recorded change: Installation of S-Tec system 40X/50X single and two axis automatic flight guidance systems, model ST-778-40X/50X. Snapshot dated June 30, 2026.

FAA-listed holder
S-TEC Corporation
Aircraft configurations
6
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

Installation of S-Tec system 40X/50X single and two axis automatic flight guidance systems, model ST-778-40X/50X.

SA09418AC-D 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: Raytheon Aircraft K35, Raytheon Aircraft M35, and Raytheon Aircraft P35, and 3 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Raytheon Aircraft K353A15Raytheon Aircraft M353A15Raytheon Aircraft P353A15Raytheon Aircraft J353A15Raytheon Aircraft H353A15Raytheon Aircraft N353A15

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Raytheon Aircraft K35 and Raytheon Aircraft M35, 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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