# STC SA68SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Signature Flight Support Corporation, United States
- Description: Installed a positive stop in the rudder system.
- Applied: May 28, 1962
- Status date: August 31, 2000
- Product: Aircraft, Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A-618](https://openairdocs.org/tcds/A-618), [TCDS A-669](https://openairdocs.org/tcds/A-669)
- Certificate PDF: https://openairdocs.org/files/sha256/c3/43/c343d9eac10eea0c98f7c3d1989d4169afdfa6aed4518543c285f3a80c49ba5e
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7FC16D841384A06886257F5400656FEE.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA68SW

## ADs that name it (0)

None.

## Approved models (14)

- The Boeing Company DC3-G102 ([TCDS A-618](https://openairdocs.org/tcds/A-618))
- The Boeing Company DC3-G102A ([TCDS A-618](https://openairdocs.org/tcds/A-618))
- The Boeing Company DC3-G103A ([TCDS A-618](https://openairdocs.org/tcds/A-618))
- The Boeing Company DC3-G202A ([TCDS A-618](https://openairdocs.org/tcds/A-618))
- The Boeing Company DC3A-S1C3G ([TCDS A-669](https://openairdocs.org/tcds/A-669))
- The Boeing Company DC3A-S1CG ([TCDS A-669](https://openairdocs.org/tcds/A-669))
- The Boeing Company DC3A-S4C4G ([TCDS A-669](https://openairdocs.org/tcds/A-669))
- The Boeing Company DC3A-SC3G ([TCDS A-669](https://openairdocs.org/tcds/A-669))
- The Boeing Company DC3A-SCG ([TCDS A-669](https://openairdocs.org/tcds/A-669))
- The Boeing Company DC3C-R-1830-90C ([TCDS A-669](https://openairdocs.org/tcds/A-669))
- The Boeing Company DC3C-S1C3G ([TCDS A-669](https://openairdocs.org/tcds/A-669))
- The Boeing Company DC3C-S4C4G ([TCDS A-669](https://openairdocs.org/tcds/A-669))
- The Boeing Company DC3C-SC3G ([TCDS A-669](https://openairdocs.org/tcds/A-669))
- The Boeing Company DC3D-R-1830-90C ([TCDS A-669](https://openairdocs.org/tcds/A-669))

## 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 SAG85W This certificate issued to: Signature Flight Support Corporation, a Delaware Corporation 7511 Lemmon Avenue, Hangar C Dallas, TX 75209 Part SRA07 of the Civi1 Air Pegulations, and Bulletin 7A of the Bureau of Air Commerce Original Product Type Certificate Number: 618, 669 Make: McDonnell Douglas Model: DC-3, C-47B Description of Type Design Change:

Installed a positive stop in the rudder system as shown on EAS Dwg. 3525113, Sheet 1 of 1, dated May 25, 1962, Change A dated 1/30/63, or later FAA approved revision.

Geared rudder tab installation per Aircraft Spec. A-669 and A-618, Item 602, is a prerequisite.

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

Date of Application: May 28, 1962 Date Reissued: 9/4/92; 12/21/98; 8/31/00 Date of Issuance: September 16, 1963 Date Amended: April 19, 1982 Rev. 2 FEDERAL AVIATION By Direction of the Administrator Gang BRoack (Signature) S. Frances Cox TOMINSTRATO 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 streel) (Ciry, Stake, and 2IP code ) from (Name of grantor) (Print or type) (Address of grantor) 1 Number and sireel ;

(City, Stake, and 2IP code, Extent of Authority (if licensing agreement):

Date of Transfer: - Signature of grantor (In ink): - cron 020

## Every issue (1)

- August 31, 2000: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/c3/43/c343d9eac10eea0c98f7c3d1989d4169afdfa6aed4518543c285f3a80c49ba5e)

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