# STC ST04603NY

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Avionics Design Services Ltd., Canada
- Description: Installation of NAT N301A-021 Audio Panel
- Applied: January 11, 2021
- Status date: March 9, 2021
- Product: Aircraft, Large Airplane
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A14EA](https://openairdocs.org/tcds/A14EA)
- Certificate PDF: https://openairdocs.org/files/sha256/e0/be/e0beecfc892e18db5ea527bb0a2c2abe553a607a49c8982fe9609a793c700c8d
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/BD9E80647AC5B20D862586BF00645F43.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST04603NY

## ADs that name it (0)

None.

## Approved models (1)

- Viking Air Limited CL-215-6B11 (CL-215T Variant) ([TCDS A14EA](https://openairdocs.org/tcds/A14EA))

## 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.

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page 1 of ___ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number:

IMPORT ST04603NY Avionics Design Services Ltd.

301 - 9170 Hwy. 93 Midland, Ontario Canada L4R 4K4 Part 25 Title 14 Code of Federal Regulations A14EA Viking Air Limited CL-215-6B11 (CL-215T Variant)

1. The installation of NAT N301A-021 Audio Panel must be in accordance with Avionics Design Services Ltd. Master Drawing List MDL20046, Revision A, Transport Canada Civil Aviation (TCCA) approved February 2, 2021.

2. Maintenance must be in accordance with TCCA accepted Avionics Design Services Ltd. Instructions for Continued Airworthiness ICA20046-1, Revision A, dated February 2, 2021.

1. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission.

(Limitations and Conditions Continued on Page 3 of 3) January 11, 2021 March 9, 2021 Timothy J. Hadsall Acting Manager, New York ACO Branch Compliance & Airworthiness Division Aircraft Certification Service 3

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page 2 of ___ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number:

**IMPORT ST04603NY ST04603NY 3**

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page ___ of ___ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number:

IMPORT ST04603NY Date of Issuance: March 9, 2021

2. The installer must determine whether this design change is compatible with previously approved modifications.

3. You cannot use descriptive data from this design change to duplicate other products. This approval is limited to only the installation made in Viking Air Limited, CL-215-6B11 (CL-215T Variant), Serial No. 1089. This STC does not permit manufacturing of parts for multiple installations.

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## Every issue (1)

- March 9, 2021: Issued, Current. [certificate](https://openairdocs.org/files/sha256/e0/be/e0beecfc892e18db5ea527bb0a2c2abe553a607a49c8982fe9609a793c700c8d)

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