# STC ST04647NY

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Sky Trac Systems Ltd, Canada
- Description: Installation of the SkyTrac ISAT Airborne Position/Data Communicator
- Applied: June 17, 2020
- Status date: June 25, 2021
- Product: Aircraft, Large Airplane
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE)
- Certificate PDF: https://openairdocs.org/files/sha256/2c/02/2c025a79fb1583418968a95fafd8cab68b2f83293cc47a5aedc6e902664dd9b9
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DA3F57AEA9AF147286258703005873CE.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST04647NY

## ADs that name it (0)

None.

## Approved models (3)

- The Boeing Company 737-400 Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE))
- The Boeing Company 737-500 Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE))
- The Boeing Company 737-800 Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE))

## 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 ST04647NY SkyTrac Systems Ltd.

210-1631 Dickson Avenue Kelowna, British Columbia V1Y 0B5 Part 25 Title 14 Code of Federal Regulations A16WE Boeing 737-400 Series, 737-500 Series, 737-800 Series

1. Installation of the SkyTrac ISAT Airborne Position/Data Communicator must be in accordance with Avionics Design Services Ltd. Master Drawing List MDL18079 Revision E, Transport Canada Civil Aviation (TCCA) approved on May 31, 2021, or later TCCA approved revisions.

(See Description of Type Design Change Continued on Page 3 of 3)

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

(See Limitations and Conditions Continued on Page 3 of 3) June 17, 2020 June 25, 2021 Timothy J. Hadsall Acting Manager, New York ACO Branch Compliance & Airworthiness Division Aircraft Certification Service 3

**IMPORT ST04647NY 3**

IMPORT ST04647NY Date of Issuance: June 25, 2021

Description of Type Design Change (continued):

2. Operation of the SkyTrac ISAT Airborne Position/Data Communicator must be in accordance with SkyTrac Systems Ltd. Flight Manual Supplement FMS18079-1 Revision B, TCCA approved on May 21, 2021, or later TCCA approved revisions.

3. Maintenance of the SkyTrac ISAT Airborne Position/Data Communicator must be in accordance with SkyTrac Systems Ltd. Instructions for Continuing Airworthiness ICA18079-1 Revision C, dated February 2, 2021, or later TCCA accepted revisions.

Limitations and Conditions (continued)

2. 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.

3. The "Certificate Limitations" section of the SkyTrac Systems Ltd. Flight Manual Supplement FMS18079-1 Revision B, TCCA approved on May 21, 2021, or later TCCA approved revisions is applicable as part of this installation.

4. Mandatory replacement time and/or inspection intervals are defined in the SkyTrac Systems Ltd. Airworthiness Limitations AWL18079-1 Revision N/C, TCCA approved on June 6, 2019, or later TCCA approved revisions.

5. This STC is applicable to all serial numbers for these Make-Models.

Note: This STC does not require a revised Electrical Wiring Interconnection System (EWIS) Instructions for Continued Airworthiness (ICA).

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

## Every issue (1)

- June 25, 2021: Issued, Current. [certificate](https://openairdocs.org/files/sha256/2c/02/2c025a79fb1583418968a95fafd8cab68b2f83293cc47a5aedc6e902664dd9b9)

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