# STC ST10590SC

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: M7 Aerospace LLC, United States
- Description: Removal of a pressurized twenty (20) gallon water system and the reinstallation of on-pressurized twenty gallon potable water system, which includes an electric pump and a pressure regulator.
- Applied: October 18, 2005
- Status date: May 23, 2023
- Product: Aircraft, Large Airplane
- Certification basis: Part 25
- Data sheets: [TCDS A12EA](https://openairdocs.org/tcds/A12EA)
- Certificate PDF: https://openairdocs.org/files/sha256/22/75/22750a5567afceec1fcac3a1fd84be924d94d588ae3f055a6fcc0e67c00765a4
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID127280539320250811182154.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST10590SC

## ADs that name it (0)

None.

## Approved models (1)

- Gulfstream Aerospace Corporation G-1159A ([TCDS A12EA](https://openairdocs.org/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.

United States of America Department of Transportation Federal AviationAdministration Supplemental Type Certificate Number: ST10590SC M7 Aerospace LLC This certificate issued to:

1767 Skyplace Blvd San Antonio, TX 78216 Part 25 of the Federal Aviation Regulations.

Original Product Type Certificate Number: A12EA Make: Gulfstream Aerospace Corp.

Model: G-1159A Description of Type Design Change:

Removal of a pressurized twenty (20) gallon water system and the reinstallation of non -pressurized twenty gallon potable water system, which includes an electric pump and a pressure regulator. The system will be installed in accordance with Drawing No. 27-14800, revision B, dated 6/27/06 or later FAA approved revision is required. The water system will be maintained in accordance with M7 Aerospace, L.P., Gulfstream Model 1159A, Potable Water System, Instructions for Continued Airworthiness, revision C, dated 09/22/06, or later FAA accepted revision.

Date of Application: October 18, 2005 Date Reissued: April 26, 2012; May 23, 2023 Date of Issuance: November 10, 2006 Date Amended:

By Direction of the Administrator Signature: III

for Paul (Vu) Nguyen Manager, Central Certification Branch Compliance & Airworthiness Division Aircraft Certification Service

United States of America Department of Transportation Federal AviationAdministration Supplemental Type Certificate Number: ST10590SC

United States of America Department of Transportation Federal AviationAdministration Supplemental Type Certificate

(Continuation Sheet) Number: ST10590SC Date of Issuance: November 10, 2006 Date of Reissuance: May 23, 2023

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

Certification Basis:

In accordance with Type Certificate Data Sheet (A12EA) and 14 CFR 25.981 Amdt.

25-102.

-END-

## Every issue (3)

- May 23, 2023: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/22/75/22750a5567afceec1fcac3a1fd84be924d94d588ae3f055a6fcc0e67c00765a4)
- April 23, 2012: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/bc/e8/bce8e6067c8e6f4feaf648ba2bb4bd8d5a69ad8078a62574da08ed5ede9fee75)
- November 10, 2006: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/16/3d/163d6edf1a8130ae976141b9d2fbcce675b379b70f5a749f423dee0b5eb87d1e)

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