# STC SA17SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Signature Flight Support Corporation, United States
- Description: Installation of electric trim tab servo.
- Applied: February 8, 1962
- Status date: August 31, 2000
- Product: Aircraft, Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A-723](https://openairdocs.org/tcds/A-723)
- Certificate PDF: https://openairdocs.org/files/sha256/91/85/9185a5ddc3f4a19545a24452511c041abe3f72462978619beaca9845e89489c6
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/1C82BF85CF6E09C186257D56005309B4.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA17SW

## ADs that name it (0)

None.

## Approved models (1)

- Lockheed Martin Aeronautics Company 18 ([TCDS A-723](https://openairdocs.org/tcds/A-723))

## 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.

JtJnittb ^tatee ffif America of tEransp0riatmn - Jfcheral Certificate 5A17SW Signature Flight Support Corporation, a Delaware Corporation 7511 Lernmon Avenue, Hangar C Dallas, TX 75209 Civil Air 723 Lockheed 18 Installation of Electric Trim Tab Servo in accordance with data listed on Dallas Aero Service Drawing List titled "Installation of Auxiliary Electric Rudder Trim Tab Servo" Revision 2 dated 2/5/62, or later FAA approved revision. .

The original manually operated rudder trim tab system must be operated at all times.

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

.-February 08, 1962 March 02, 1962 .-9/4/92; 12/21/98; 8/31/00 20, 1982 Rev. 6 7 (Signature) Frances Cox fl Manager, Special Certification Office, Southwest Region (Title) Any dJterdtlcn of this certificate Is punishable by a fin* of not exceeding $1,000, or inprlsemB&nt not 'Ing 3 years, or both.

FAA FOIK 8110-2(10-66) Pigs 1 of 2 crfctiflcstf auy bs trJnJf»rr*tf in tccordancv ulttt PAfl 21.47.

INSTRUCTIONS The transfer endorsement below may he used 10 notify the appropriate FAA Regional Office of ihe transfer of this Supplemental Type Certificate.

The FAA will reissue the certificate m ihe name of the transferee and forward it to him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Nitmbtr and itrrtl) (City, Slalr, a from (Name of grantor) (Print or type) (Address of grantor) ufilbf and ttrrft) , SlaU, a Extent of Authority (if licensing agreement):

Signature of gratiior (In ink):

**C FAA AC 69-S536**

## Every issue (1)

- August 31, 2000: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/91/85/9185a5ddc3f4a19545a24452511c041abe3f72462978619beaca9845e89489c6)

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