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Avionics

STC ST09442SC

FAA DRS lists ST09442SC as Current · Reissued, held by Textron Aviation Inc, for Raytheon Aircraft BAe.125 Series 800A (C-29A; U-125), Raytheon Aircraft Hawker 800, and Raytheon Aircraft Hawker 800XP. Recorded change: Installation of Universal Avionics UL-600 Unilink system. Snapshot dated June 30, 2026.

FAA-listed holder
Textron Aviation Inc
Aircraft configurations
3
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of Universal Avionics UL-600 Unilink system.

ST09442SC 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 BAe.125 Series 800A (C-29A; U-125), Raytheon Aircraft Hawker 800, and Raytheon Aircraft Hawker 800XP. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Raytheon Aircraft BAe.125 Series 800A (C-29A; U-125)A3EURaytheon Aircraft Hawker 800A3EURaytheon Aircraft Hawker 800XPA3EU

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Raytheon Aircraft BAe.125 Series 800A (C-29A; U-125) and Raytheon Aircraft Hawker 800, and 1 more aircraft configuration 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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Version 7.1 Software upgrade of the Aviation Communication & Surveillance Systems (ACSS) TCAS II, Model TCAS 2000, P/N 7517900-10020 (Configuration 1) or Model T2CAS, P/N 9000000-11414 (Configuration 2). This upgrade allows for the installation of Configuration 1 TCAS II. The installation also includes a Mode S ATC Transponder System with ADS-B Out, Model XS-950, P/N 7517800- 10400.

FAA holder: Aviation Communication and Surveillance Systems (ACSS) LLC

View record