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Flight controls

STC SA8893SW-D

FAA DRS lists SA8893SW-D as Current · Amended, held by S-TEC Corporation, for Cessna Aircraft R172K. Recorded change: Installation of S-TEC System 55 two axis automatic flight guidance system, Model ST-563, with optional automatic electric trim system. Snapshot dated June 30, 2026.

FAA-listed holder
S-TEC Corporation
Aircraft configurations
1
FAA revision date
FAA status
Current · Amended

Recorded modification

What the FAA record covers

Installation of S-TEC System 55 two axis automatic flight guidance system, Model ST-563, with optional automatic electric trim system.

SA8893SW-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: Cessna Aircraft R172K. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Cessna Aircraft R172K3A17

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Cessna Aircraft R172K model, serial range, and configuration?
  2. 02Which control configuration, rigging, limitations, 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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