# STC SA604SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Signature Flight Support Corporation, United States
- Description: Installation of fuel flow system.
- Applied: December 12, 1965
- Status date: August 31, 2000
- 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/sha256/15/06/1506ed7c2443997e9fb632a5ad6b2d2681cbfe66761672ced3c0d884b0176384
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A1252FDC615BC50B86257F100081C01E.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA604SW

## ADs that name it (0)

None.

## Approved models (10)

- 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

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.

•Hmtth States ai fEransp0rlaticm - general Certificate Signature Flight Support Corporation, a Delaware Corporation 7511 Lemmon Avenue, Hangar C Dallas, TX 75209 Bulletin 7A Bureau of Air Commerce Aero 669 McDonnell Douglas DC- 3 Installation - fuel flow system - DC-3 in accordance with Aerodyne Engineering Corp. Drawing List titled "Installation - Fuel Flow System - DC-3" dated 12/12/65, or later FAA approved revision.

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

. December 12, 1965 February 03, 1966 . 6/19/86; 12/21/98; 8/31/00 12/5/68; 11/12/69;

2/23/72; A/2/19; 4/19/82 Rev. 5 (Signature) S. Frances Cox Manager, Special Certification Office, Southwest Region (Title)

1 Office of the transfer of this Supplemental Type Certificate.

The FAA will reissue the certificate in the 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). I ,Vum*<T *nd ttrtei ) I City. SUttt. *nJ ZIP from (Name of grantor) (Print or type).

(Address of grantor) (Gfy, Suit, cut ZIP Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- August 31, 2000: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/15/06/1506ed7c2443997e9fb632a5ad6b2d2681cbfe66761672ced3c0d884b0176384)

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