# STC ST04571AT

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Gulfstream Aerospace Corporation
- Description: Installation of Halotron BrX water fire extinguishers
- Status date: June 12, 2025
- Data sheets: A12EA, A12EA
- Certificate PDF: https://openairdocs.org/files/sha256/0e/b6/0eb64bb41d9c8cb7f1f17ce81d5b70a561fdf7e6a9c5dee24e2a095bde5e2ab2
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID143305323220250613143408.0001
- Page: https://openairdocs.org/stc/ST04571AT

## ADs that name it

None.

## Approved models (2)

- Gulfstream Aerospace Corporation GIV-X (TCDS A12EA)
- Gulfstream Aerospace Corporation GV-SP (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.

GIV-X, GV-SP Installation of Halotron BrX and water fire extinguishers in accordance with Gulfstream Aerospace Corporation Index List GDL100000088 Rev A, dated March 21, 2025, or later FAA approved revision.

(See continuation page 3 of 3)

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

(See continuation page 3 of 3) November 22, 2024 4/8/25 6/12/25 April 7, 2025 Robert Glasscock ODA Lead Administrator, ODA-511131-CE Gulfstream Aerospace Corporation For {{Sig_es_:signer1:signature }} {{Em_es_:signer1:email }} Gulfstream Aerospace Corporation 500 Gulfstream Rd Savannah, GA 31408

FAA accepted Instructions for Continued Airworthiness GCD000035942 Rev NC, dated December 9, 2024, or later accepted revision is required for the following configurations:

- GDL300007776

- GDL300007777

- GDL300008421

- GDL300008422

- GDL300008423

- GDL300008424

- GDL300008425

- GDL300008426

- GDL300008427

- GDL300008428

FAA accepted Instructions for Continued Airworthiness GCD000037058 Rev NC, dated December 9, 2024, or later accepted revision is required for the following configurations:

- GDL300008429

- GDL300008430

- GDL300008431

- GDL300008432

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. With the execution of this STC, all existing handheld Halon extinguishers must be removed and replaced with Halon BrX extinguishers.

-- END -- 3 Add Page

## Every issue (2)

- June 12, 2025: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/0e/b6/0eb64bb41d9c8cb7f1f17ce81d5b70a561fdf7e6a9c5dee24e2a095bde5e2ab2)
- April 8, 2025: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/09/c9/09c9c66970efbed7e802b7302fb8e36b761324d7137ff7bb3dd947138a70b58b)

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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.