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Avionics

STC ST01231CH-D

FAA DRS lists ST01231CH-D as Current · Reissued, held by ElectroSonics, for Raytheon Aircraft DH.125 Series 1A-522 and Raytheon Aircraft DH.125 Series 1A. Recorded change: Installation of a Collins FCS-80 flight director system installed as a second system for use by copilot. Snapshot dated June 30, 2026.

FAA-listed holder
ElectroSonics
Aircraft configurations
2
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of a Collins FCS-80 flight director system installed as a second system for use by copilot.

ST01231CH-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 DH.125 Series 1A-522 and Raytheon Aircraft DH.125 Series 1A. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Raytheon Aircraft DH.125 Series 1A-522A3EURaytheon Aircraft DH.125 Series 1AA3EU

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Raytheon Aircraft DH.125 Series 1A-522 and Raytheon Aircraft DH.125 Series 1A model, serial range, and configuration?
  2. 02Which part numbers, software versions, interfaces, and manual changes 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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