# STC ST04631CH

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: WEST STAR AVIATION, USA
- Description: Installation of a Latitude Technologies Corporation DL-150 Satellite Data Unit (SDU) and Iridium Antenna
- Applied: October 12, 2023
- Status date: June 13, 2024
- Product: Aircraft, Large Airplane
- Certification basis: Part 25
- Data sheets: [TCDS A21EA](https://openairdocs.org/tcds/A21EA)
- Certificate PDF: https://openairdocs.org/files/sha256/5a/7b/5a7ba156956f52402bb5872182c0d988ba2482f7e60db559725d302fa95c55a1
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID189796456120240717001033.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST04631CH

## ADs that name it (0)

None.

## Approved models (1)

- Bombardier Inc. CL-600-2B16 (604 Variant) ([TCDS A21EA](https://openairdocs.org/tcds/A21EA))

## 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.

Number: ST04631CH

Part 25 of the Federal Aviation Regulations.

Original Product Type Certificate Number: A21EA Make: Bombardier Inc.

Model: CL-600-2B16 (604 Variant)

Date of Application: October 12, 2023 Date Reissued:

Date of Issuance: June 13, 2024 Date Amended:

Brenda L. Litchfield ODA Administrator Title: Envoy Aerospace, LLC ODA-831240-CE West Star Aviation 2 Airline Court East Alton, IL 62024-2254 Installation of a Latitude Technologies Corporation DL-150 Satellite Data Unit (SDU) and Iridium Antenna in accordance with West Star Aviation Master Data List, Document No. A23311L-723, Revision C, dated June 11, 2024, or later FAA-approved revision.

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

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

3) FAA Approved Airplane Flight Manual Supplement, West Star Aviation Document No. A23311M-734, Revision I/R, approved June 13, 2024, or later FAA approved revision is required on board the modified aircraft.

4) FAA Approved Instructions for Continued Airworthiness – Airworthiness Limitations, Chapter 10 of West Star Aviation Document No. A23311P-735, Revision I/R, June 13, 2024, or later FAA approved revision is a required part of this STC.

5) 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.

Number: ST04631CH

(Continuation Sheet) Number: ST04631CH Date of Issuance: June 13, 2024 Certification Basis:

Based on 14 CFR §§ 21.115 and 21.101, and the FAA policy for design changes that are identified as not significant in FAA Order 8110.48A, the certification basis for the Bombardier Inc. CL-600-2B16 (CL-604 Variant) aircraft is as follows:

a. The type certification basis for the Bombardier Inc. CL-600-2B16 (CL-604 Variant) aircraft is shown on TCDS A21EA for parts not changed or affected by the change.

b. This certification basis for parts changed or affected by the change since the reference date of application is based upon 14 CFR Part 25 as amended as follows:

Applicable 14 CFR Part 25 regulations at the latest amendment 25-0 through 25-78 with the following exceptions: Amendments 25-0 through Amendment 25-37 for paragraphs 365, 561, 625 and 1307:

§ 25.29(a)(b) § 25.301(a)(b) § 25.303 § 25.305(a)(b) § 25.307(a) § 25.365(a)(b)(c)(d) § 25.561(c)(d) § 25.571(a)(b) § 25.581(a)(b)(c) § 25.601 § 25.603(a)(b)(c) § 25.605(a) § 25.607(a)(b)(c) § 25.609(a)(b) § 25.611 § 25.613(a)(b)(c)(d) § 25.619(a)(b)(c) § 25.625(a) § 25.1301(a)(b)(c)(d) § 25.1307(c) § 25.1309(a)(b)(c)(d)(e)(f)(g) § 25.1351(a)(1) § 25.1353(a)(b) § 25.1357(a)(c) § 25.1431(a)(b)(c) § 25.1501(a)(b) § 25.1529 § 25.1581(a)(b)(d) § 25.1583(h) § 25.1585(a)

Applicable 14 CFR Part 25 regulations at other amendment levels § 25.869(a)(4) [Amdt 25-113] § 25.981(a)(3) [Amdt 25-102]

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## Every issue (1)

- June 13, 2024: Issued, Current. [certificate](https://openairdocs.org/files/sha256/5a/7b/5a7ba156956f52402bb5872182c0d988ba2482f7e60db559725d302fa95c55a1)

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