# STC SA3876SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Greenwich Aircraft Corporation, United States
- Description: Installation of long range fuel system.
- Applied: August 11, 1987
- Status date: March 31, 2020
- Product: Aircraft, Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A-669](https://openairdocs.org/tcds/A-669)
- Certificate PDF: https://openairdocs.org/files/sha256/31/50/3150b062e2c422083a207a7e6b9c5d13f44bc55b4c36dc9a08930a2084e67d3d
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/5998C53E65D410698625871A005C3B61.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3876SW

## ADs that name it (0)

None.

## Approved models (4)

- 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

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.

FAA Form 8110-2 (7/19) Page 1 of 2

Number: SA3876SW

Parts 4b of the Civil Aviation Regulations.

Original Product – Type Certificate Number: A-669 Make: McDonnell Douglas Model: DC3-C-SC3G, -S1C3G, -S4C4G, -R-1830-90C (S3C4-G)

Installation of long range fuel system in accordance with Schafer Aircraft Modifications, Inc. Drawing List No. SA-DL3-DC-3, Rev. B, dated November 6, 1987, or later FAA approved revision.

Limited to aircraft with SA3820SW.

FAA Approved Airplane Flight Manual Supplement dated November 30, 1987, is required.

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

Date of Application: August 11, 1987 Date Reissued: 07/23/93; 9/15/93; 01/24/2020; 03/31/2020 Date of Issuance: December 4, 1987 Date Amended:

Signature

Title Jim Grigg Manager, Fort Worth A CO Branch, Compliance & Airworthiness Division Aircraft Certification Service Greenwich Aircraft Corporation 619 Van Buren Avenue Oxford, MS 38655

FAA Form 8110-2 (7/19) Page 2 of 2

FAA Form 8110-2 (7/19) Page 2 of 2

Transfer the ownership of Supplemental Type Certificate Number: SA3876SW

To (Name and address of transferee)

From (Name and address of grantor)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA4704SW

FAA Form 8110-2 (7/19) Page 2 of 2

## Every issue (2)

- March 31, 2020: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/31/50/3150b062e2c422083a207a7e6b9c5d13f44bc55b4c36dc9a08930a2084e67d3d)
- September 15, 1993: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/06/db/06db6bb09d885c6da0b6bd5e9da4d0bd22dc6a15842d558067f6a9e447378b27)

---
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.