# STC ST04432NY

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Avionics Design Services Ltd., Canada
- Description: Installation of a NAT N301A-021 Audio Panel
- Applied: October 22, 2019
- Status date: December 9, 2019
- Product: Aircraft, Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A14EA](https://openairdocs.org/tcds/A14EA)
- Certificate PDF: https://openairdocs.org/files/sha256/82/d9/82d9121e6ed2a119178630261ca311a98cfe14b3d573169e86f6c899322027d5
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F125EC643C2D705B862585AB003C414A.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST04432NY

## 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 (5/14) Page 1 of This certificate issued to:

Part of the Original Product – Type Certificate Number: Make:

By Direction of the Administrator Signature Title ST04432NY Avionics Design Services Ltd.

301 - 9170 Hwy. 93 Midland, Ontario Canada L4R 4K4 Federal Aviation Regulations.

1. Installation of a NAT N301A-021 Audio Panel must be in accordance with Avionics Design Services Ltd. Master Drawing List, MDL00023, Revision E, Transport Canada approved November 25, 2019, or later Transport Canada approved revision.

2. Maintenance must be in accordance with Avionics Design Services Ltd. Instructions for Continued Airworthiness, ICA00023-1, Revision N/C, dated June 10, 2019, or later Transport Canada accepted revision.

1. You cannot use descriptive data about 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. 1090. This STC does not permit manufacturing of parts for multiple installations.

Basis of Certification:

Basis of Certification as defined in Type Certificate Data Sheet A14EA, Revision No. 11 Anthony E. Gallo Manager New York ACO Branch Viking Air Limited CL-215-6B11 (CL-215T Variant), Serial No. 1090 October 22, 2019 December 12, 2019 IMPORT A14EA 2

FAA Form 8110-2 (5/14) Page 2 of

To (Name and address of transferee)

From (Name and address of grantor)

2 ST04432NY

## Every issue (1)

- December 9, 2019: Issued, Current. [certificate](https://openairdocs.org/files/sha256/82/d9/82d9121e6ed2a119178630261ca311a98cfe14b3d573169e86f6c899322027d5)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.