# STC SA1926SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Signature Flight Support Corporation, United States
- Description: Installation of Fuel purge system.
- Applied: November 5, 1974
- Status date: August 31, 2000
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 2A4](https://openairdocs.org/tcds/2A4)
- Certificate PDF: https://openairdocs.org/files/sha256/10/4b/104b437e5b1fc5877c28b4970b3361ce8fa3ece821286a82a5069af595eefe13
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/588ECB497B369EE386257D7A005D491A.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA1926SW

## ADs that name it (0)

None.

## Approved models (4)

- Twin Commander Aircraft LLC 680-T ([TCDS 2A4](https://openairdocs.org/tcds/2A4))
- Twin Commander Aircraft LLC 680-V ([TCDS 2A4](https://openairdocs.org/tcds/2A4))
- Twin Commander Aircraft LLC 680-W ([TCDS 2A4](https://openairdocs.org/tcds/2A4))
- Twin Commander Aircraft LLC 681 ([TCDS 2A4](https://openairdocs.org/tcds/2A4))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA19255W This certificate issued to: Signature Flight Support Corporation, a Delaware Corporation 7511 Lemmon Avenue, Hangar C Dallas, TX 75209 Part 3 of the Civi1 Air Poegulations.

Original Product Typo Certificate Number: 2A4 Make: Gulfstream American Model: 680T, 680V, 680W, 681 Description of Type Design Change:

Installation of a Fuel Purge System in accordance with Rockwell Drawing 83964, Rev. D dated 12/30/74, or later FAA approved revision.

FAA Approved Airplane Flight Manual Supplement dated January 3, 1975, is required for those models incorporating STC SA1815SW.

Compatibility of this modification with other previously approved modifications must be determined by the installer.

Date of Application: November 05, 1974 Date Reissued: S/4/92; 12/21/98; 8/31/00 Date of Issuance: November 15, 1974 Date Amended: March 22, 1982 Rev. 4 FEDERAL AVIATION By Direction of the Administrator Slylon hass for (Signature) S. Frances Cox TOMINISTRATO Manager, Special Certification Office, Southwest Region (Title) ion of this certificate is punishable by a fine of not exceeding §1,000, or imprisonment not exceeding 3 years, or both.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) - (Number and street ) (City, State, and ZIP code) from (Name of grantor) (Print or type) (Address of grantor) (Number and street) (City, State, and ZIP code) Extent of Authority (if licensing agreement): - Date of Transfer:.

Signature of grantor (In ink):

**FAA AC 69-5536**

## Every issue (1)

- August 31, 2000: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/10/4b/104b437e5b1fc5877c28b4970b3361ce8fa3ece821286a82a5069af595eefe13)

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