# STC SA2-318

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Signature Flight Support Corporation, United States
- Description: Installation of Goodyear brake 9530303 and related equipment.
- Applied: March 26, 1958
- Status date: August 31, 2000
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 6A1](https://openairdocs.org/tcds/6A1)
- Certificate PDF: https://openairdocs.org/files/sha256/4f/d2/4fd239fa4e36cbd5e598fea36053746e25a0df4f259e938ec13d2c62fdf01d3a
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/29290A7D8F9C0BFF85256CC10083D476.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2-318

## ADs that name it (0)

None.

## Approved models (3)

- Twin Commander Aircraft LLC 520 ([TCDS 6A1](https://openairdocs.org/tcds/6A1))
- Twin Commander Aircraft LLC 560 ([TCDS 6A1](https://openairdocs.org/tcds/6A1))
- Twin Commander Aircraft LLC 560-A ([TCDS 6A1](https://openairdocs.org/tcds/6A1))

## 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: SA2-318 This certificate issued to: Signature Flight Support Corporation, a Delaware Corporation 7511 Lemmon Avenue, Hangar C Dallas, TX 75209 Certifies that the change in the type design for the following product with the limitation's and conditions therofor as specified hereon meets the airoorthiness requirement's of Part 3 of the CiVi1 Ai x Roegulations.

Original Product Type Certificato Number : 6A1 Abate : Gulfstream American Model: 560, 560A, 520 Description of Type Design Change:

Installation of Goodyear brake 9530303 and related equipment per Dallas Aero Service Drawing List titled "Goodyear 9530303 brake installation - 560 and 560A" dated 2/26/58 with Revision No. 2 dated 12/1/58, or later FAA approved revision.

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

Date of Application: March 26, 1958 Date Reissued: 6/15/92; 12/21/98; 8/31/00 Date of Issuance: October 06, 1958 Date Amended: March 02, 1982 Rev. 7 By Direction of the Administrator (Signature) fols. Frances cox TOMNISTRATO Manager, Special Certification Office, Southwest Region (Title)

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 21P code) Extent of Authority (if licensing agreement): - Date of Transfer:

Signature of grantor (In ink):

**C FAA AC 69-5536**

## Every issue (1)

- August 31, 2000: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/4f/d2/4fd239fa4e36cbd5e598fea36053746e25a0df4f259e938ec13d2c62fdf01d3a)

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