# STC SA00959WI

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Teledyne Controls, United States
- Description: Installation of SPIRENT Systems Wichita Cabin Information Display System in Cessna Model 525 aircraft.  Data required: (1) Spirent Systems Installation Manual, Publication Number 90006-003-011, Revision B, dated April 2, 2001; (2) Spirent Systems Wichita Drawing Number 90006-003-015, Revision IR, FAA Approved Airplane Flight Manual Supplement (AFMS), dated April 12, 2001; or later FAA Approved Revisions to (1) or (2).  
or,
Installation of SPIRENT Systems Wichita Cabin AvVisor Plus Information Display System in Cessna Model 525 aircraft.  Data required: (3) Spirent Systems Installation Manual, Publication Number 90007-003-011, Revision C, dated January 9, 2003; (4) Spirent Systems Wichita Drawing Number 90007-003-016, Revision IR, FAA Approved Airplane Flight Manual Supplement (AFMS), dated January 10, 2003; or later FAA Approved Revisions to (3) or (4).
- Applied: January 5, 2001
- Status date: November 3, 2011
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21, Part 23
- Data sheets: [TCDS A1WI](https://openairdocs.org/tcds/A1WI)
- Certificate PDF: https://openairdocs.org/files/sha256/f7/4b/f74b62acfcdf7955c68635c4d0ee6596b5e1ceac814d459871ea1bc7961ea1d3
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/FA378B7AEF03CEDB8625798E004D3606.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA00959WI

## ADs that name it (0)

None.

## Approved models (1)

- Cessna Aircraft Company 525 ([TCDS A1WI](https://openairdocs.org/tcds/A1WI))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

This certificate issued to: Teledyne Controls 501 Continental Blvd El Segundo, CA 90245

Part 23 of the Federal Aviation Regulations.

Original Product - Type Certificate Number : A1W1 Make: Cessna Model: 525 Description of Type Design Change:

Installation of SPIRENT Systems Wichita Cabin Information Display System in Cessna Model 525 aircraft. Data required: (1) Spirent Systems Installation Manual, Publication Number 90006-003-011, Revision B, dated April 2, 2001; (2) Spirent Systems Wichita Drawing Number 90006-003-015, Revision IR, FAA Approved Airplane Flight Manual Supplement (AFMS), dated April 12, 2001; or later FAA Approved Revisions to (1) or (2).

or, Installation of SPIRENT Systems Wichita Cabin AvVisor Plus Information Display System in Cessna Model 525 aircraft. Data required: (3) Spirent Systems Installation Manual, Publication Number 90007-003-011, Revision C, dated January 9, 2003; (4) Spirent Systems Wichita Drawing Number 90007-003-016, Revision IR, FAA Approved Airplane Flight Manual Supplement (AFMS), dated January 10, 2003; or later FAA Approved Revisions to (3) or (4).

Compatibility of this design change with previously approved modifications must be determined by the installer. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

Date of application : January 5, 2001 Date of issuance : April 12, 2001 Date reissued : June 30, 2003; November 3, 2011 Date amended : January 10, 2003

Original signed by Raymond Johnston

( Signature) Raymond N. Johnston Program Manager Wichita Aircraft Certification Office (Title)

## Every issue (2)

- November 3, 2011: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/f7/4b/f74b62acfcdf7955c68635c4d0ee6596b5e1ceac814d459871ea1bc7961ea1d3)
- June 30, 2003: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/cf/6f/cf6ffa8504fe2d2b5a9a5d2df526188bea742580602bde8a466ac841dd558b73)

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