# STC SA1057SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Signature Flight Support Corporation, United States
- Description: Installation of dual Collins FD-109 Flight Director System.
- Applied: January 17, 1969
- Status date: August 31, 2000
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A12EA](https://openairdocs.org/tcds/A12EA)
- Certificate PDF: https://openairdocs.org/files/sha256/2e/91/2e9179e75529fb9e10cfcc3b10593440f93b48842bdc2902aef6234b4108de5a
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/FE27197F3BB0F70886257D40005B3F02.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA1057SW

## ADs that name it (0)

None.

## Approved models (1)

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

## 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: SA1057 5W This certificate issued to: Signature Flight Support Corporation, a Delaware Corporation 7511 Lemmon Avenue, Hangar C Dallas, TX 75209 Part Ab of the Civi] Aix Regulations.

Original Product Type Certificate Number: A12EA Make:

Installation of dual Collins FD-109 Flight Director System, dual Sperry C-11B Compass Systems, Sperry Altitude Preselect System, Static Airtemp/True Airspeed System, Bendix ALA-51A Radio Altimeter System, dual Intercontinental Dynamics Corporation Servoed Altimeters, and United Control FA-542 Flight Data Recorder System according to Executive Aircraft Service Drawing List 680024 dated 6/13/69, or later FAA approved revision.

Date of Application: January 17, 1969 Date Reissued: 9/4/92; 12/21/98; 8/31/00 Date of Issuance: October 29, 1969 Date Amended: 3/10/81; 5/11/82 Rev. 2 FEDERAL AVIATION By Direction of the Administrator Slynden Rass for (Signature) S. Frances Cox TOMINISTRATO 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 ZIP code ) Extent of Authority (if licensing agreement): - Date of Transfer:

Signature of grantor (In ink):

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA1057 5W Date of Issuance: October 29, 1969 Date Amended: May 11, 1982 Reissuance Date: August 31, 2000 Limitations and Conditions: (Continued):

The following FAA Approved Airplane Flight Manual Supplements dated October 29, 1969, are required:

1. Dual Collins FD-109 Flight Director System.

2. Dual Sperry C-11B Compass Systems.

3. Sperry Altitude Preselect System.

4. Static Airtemp/True Airspeed System.

5. Bendix ALA-51A Radio Altimeters System.

6. Dual Intercontinental Dynamics Corporation Served Altimeters.

7. United Control FA-542 Flight Data Recorder System.

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

- END-

FAA Form 8110-2-1(10-69) Page 3 of 3

## Every issue (1)

- August 31, 2000: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/2e/91/2e9179e75529fb9e10cfcc3b10593440f93b48842bdc2902aef6234b4108de5a)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
