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Avionics

STC ST00063MC

FAA DRS lists ST00063MC as Current · Issued, held by Stevens Aviation, for Textron Aviation 550, Textron Aviation 560, and Textron Aviation 560XL. Recorded change: Installation of Universal Avionics Dual UNS-1Espw upgrade. Snapshot dated June 30, 2026.

FAA-listed holder
Stevens Aviation
Aircraft configurations
3
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

Installation of Universal Avionics Dual UNS-1Espw upgrade.

ST00063MC 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 550, Textron Aviation 560, and Textron Aviation 560XL. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Textron Aviation 550A22CETextron Aviation 560A22CETextron Aviation 560XLA22CE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Textron Aviation 550 and Textron Aviation 560, 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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