# STC ST04466CH

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: West Star Aviation
- Description: Installation of a Universal Avionics Systems Corporation UNS-1Espw Flight Management System and a UL-801 Data Link System in accordance with West Star Aviation Master Data List, Doc. No. A20311L-135, Revision A, dated March 15, 2021, or later FAA approved revision.
- Status date: March 31, 2021
- Data sheets: A12EA
- Certificate PDF: https://openairdocs.org/files/sha256/98/d7/98d7ea5bcfbf84fed4138ea9b40bab0862825a341d1181d44a78d1f005ab040e
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/337A34042A994D5B862586B00009D358.0001
- Page: https://openairdocs.org/stc/ST04466CH

## ADs that name it

None.

## Approved models (1)

- Gulfstream Aerospace Corporation G-IV (TCDS A12EA)

## 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 (4/20) SUPERSEDES PREVIOUS EDITION Page 1 of 3 United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate

Number: ST04466CH

Part 25 of the Federal Aviation Regulations.

Original Product – Type Certificate Number: A12EA Make: Gulfstream Model: G-IV Description of Type Design Change:

Date of Application: October 5, 2020 Date Reissued:

Date of Issuance: March 31, 2021 Date Amended:

Brenda L. Litchfield Title: ODA Administrator Envoy Aerospace, LLC ODA-831240-CE West Star Aviation 2 Airline Ct East Alton, IL 62024 Installation of a Universal Avionics Systems Corporation UNS-1Espw Flight Management System and a UL-801 Data Link System in accordance with West Star Aviation Master Data List, Doc. No. A20311L-135, Revision A, dated March 15, 2021, or later FAA approved revision.

1) This STC is applicable to all serial numbers for this Make-Model.

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 Doc. No. A20311M-132, Revision I/R, approved March 31, 2021, 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 Doc. No. A20311P-131, Revision A, approved March 31, 2021, 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.

FAA Form 8110-2 (4/20) SUPERSEDES PREVIOUS EDITION Page 2 of 3

Number: ST04466CH

From (Name and address of grantor:)

FAA Form 8110-2 (4/20) SUPERSEDES PREVIOUS EDITION Page 3 of 3

(Continuation Sheet) Number: ST04466CH Date of Issuance: March 31, 2021 Certification Basis:

Based on 14 CFR §§ 21.115 and 21.101, and the FAA policy for significant changes in FAA Order 8110.48, the certification basis for the Gulfstream G-IV aircraft is as follows:

a. The type certification basis for the Gulfstream G-IV aircraft is shown on TCDS A12EA 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 TCDS A12EA. Based on 14 CFR 21.115 and 21.101, and the FAA policy for significant changes in Order 8110.48, the certification basis for this modification was determined to be:

Applicable regulations at the latest amendment 25-0 through 25-56 as shown on TCDS A12EA § 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) § 25.571(a)(b) § 25.581(a)(b)(c) § 25.601 § 25.603(a)(b)(c) § 25.605(a) § 25.609(a)(b) § 25.611 § 25.613(a)(b)(c)(d) § 25.619(a)(b)(c) § 25.625(a) § 25.771(a) § 25.777(a)(c) § 25.1301(a)(b)(c)(d) § 25.1307(c) § 25.1309(a)(b)(c)(d)(e)(f)(g) § 25.1322(a)(b)(c)(d) § 25.1333(a)(b)(c) § 25.1351(a)(1) § 25.1353(a)(b) § 25.1357(a)(c) § 25.1431(a)(b)(c) § 25.1501(a)(b) § 25.1523(a)(b) § 25.1529 § 25.1581(a)(b) § 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], § 25.1329(c)(j) [Amdt 25-119], § 25.1381(a)(b) [Amdt 25-72], 25.1457(a)(6) [Amdt 25-124].

Special Conditions 25-665-SC, Special Conditions: Gulfstream Aerospace Corporation, Model GV-SP Airplane; Non-Rechargeable Lithium Battery Installations [Docket No. FAA-2017-0367].

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## Every issue (1)

- March 31, 2021: Issued, Current. [certificate](https://openairdocs.org/files/sha256/98/d7/98d7ea5bcfbf84fed4138ea9b40bab0862825a341d1181d44a78d1f005ab040e)

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From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.
