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Avionics

STC ST00831WI

FAA DRS lists ST00831WI as Current · Reissued, held by Textron Aviation Inc., for Cessna Aircraft 500, Cessna Aircraft 550, and Cessna Aircraft S550, and 1 more aircraft configuration. Recorded change: Installation of the Sigma Tek 1U619-( ) VHF COM/NAV/ATC Radio Control Panel with Collins VHF 22(C/D) radios to provide 25kHz and 8.33 kHz channel spacing in Cessna Airplanes listed on the attached FAA Approved Model List (AML) No. ST00831WI, dated November 4, 1999, in accordance with Cessna Aircraft Company, Master Document List No. CF90055, Revision B, dated October 21, 1999 or later FAA approved revision. Snapshot dated June 30, 2026.

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

Recorded modification

What the FAA record covers

Installation of the Sigma Tek 1U619-( ) VHF COM/NAV/ATC Radio Control Panel with Collins VHF 22(C/D) radios to provide 25kHz and 8.33 kHz channel spacing in Cessna Airplanes listed on the attached FAA Approved Model List (AML) No. ST00831WI, dated November 4, 1999, in accordance with Cessna Aircraft Company, Master Document List No. CF90055, Revision B, dated October 21, 1999 or later FAA approved revision.

ST00831WI 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 500, Cessna Aircraft 550, and Cessna Aircraft S550, and 1 more aircraft configuration. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Cessna Aircraft 500A22CECessna Aircraft 550A22CECessna Aircraft S550A22CECessna Aircraft 650A9NM

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Cessna Aircraft 500 and Cessna Aircraft 550, 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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