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Avionics

STC ST01211CH-D

FAA DRS lists ST01211CH-D as Current · Reissued, held by Duncan Aviation Inc, for Cessna Aircraft 560, Cessna Aircraft S550, and Cessna Aircraft 550, and 1 more aircraft configuration. Recorded change: Installation of Universal Avionics Systems Terrain Awareness Warning System (TAWS). Snapshot dated June 30, 2026.

FAA-listed holder
Duncan Aviation Inc
Aircraft configurations
4
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of Universal Avionics Systems Terrain Awareness Warning System (TAWS).

ST01211CH-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 560, Cessna Aircraft S550, and Cessna Aircraft 550, and 1 more aircraft configuration. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Cessna Aircraft 560A22CECessna Aircraft S550A22CECessna Aircraft 550A22CECessna Aircraft 500A22CE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Cessna Aircraft 560 and Cessna Aircraft S550, and 2 more aircraft configurations 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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