# STC SA2-39

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Signature Flight Support Corporation, United States
- Description: The fuselage structure altered to incorporate a window between Station 492 and 506.
- Applied: October 31, 1956
- 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/sha256/3a/cf/3acf86861ca383a38ec9975eeeb687a9ef408937d91086454dea568e45fcbca7
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/43DB04D3ED342A1B85256CC10083D483.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2-39

## ADs that name it (0)

None.

## Approved models (8)

- 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 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))

## 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: SA2-39 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 limitations and conditions therfor as specified hereon meets the airoorthiness requirement's of Part of the Roegulations.

Aero/Bulletin 7A of the Bureau of Air Commerce Original Product Typo Certificato Number: A-618, A-669 Make: McDonnell Douglas Model: DC-3C Description of Type Design Change:

The fuselage structure altered to incorporate a window between Station 492 and 506, EAS Dwg. 352560 shows structure alteration.

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

Date of Application: October 31, 1956 Date Reissued: 6/1/92; 12/21/98; 8/31/00 Date of Issuance: November 15, 1956 Date Amended: 4/10/81; 1/5/82 Rev. 2

FEDERAL AVIATION (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 21P 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/sha256/3a/cf/3acf86861ca383a38ec9975eeeb687a9ef408937d91086454dea568e45fcbca7)

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