# STC ST00040IB

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Avionics Design Services Ltd., Canada
- Description: Installation of the NAT N301A-021 Audio Panel
- Applied: May 5, 2022
- Status date: June 21, 2022
- 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/f6/41/f6417ed16dc4a3e2f34f88281b2de34d411c73c81206469f6342eb9ff239e552
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A098AC8671DC22FD8625886E0048BC62.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST00040IB

## 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.

IMPORT ST00040IB 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. Installation of the NAT N301A-021 Audio Panel must be done in accordance with Avionics Design Services Ltd. Master Drawing List MDL22009, Revision N/C, Transport Canada Civil Aviation (TCCA) approved February 18, 2022.

2. Maintenance must be done in accordance with Avionics Design Services Ltd. Instructions for Continued Airworthiness ICA22009-1, Revision N/C, dated February 18, 2022.

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) May 5, 2022 June 21, 2022

Anthony E. Gallo Manager, International Validation Branch (AIR-730) Compliance & Airworthiness Division Aircraft Certification Service (AIR) 3

**IMPORT ST00040IB ST00040IB 3**

IMPORT ST00040IB Date of Issuance: June 21, 2022

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. 1105. This STC does not permit the manufacturing of parts for multiple installations.

----------END---------- 3 3

## Every issue (1)

- June 21, 2022: Issued, Current. [certificate](https://openairdocs.org/files/sha256/f6/41/f6417ed16dc4a3e2f34f88281b2de34d411c73c81206469f6342eb9ff239e552)

---
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.