# STC SA474SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Signature Flight Support Corporation, United States
- Description: Installation of chairs and floor structure.
- Applied: January 30, 1965
- 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/d4/3ad496607e0adff9809a91734bc7800038800e912b812914503c5ccf8576a5d7
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A997CC33ADF4719E86257E60007003D3.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA474SW

## 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

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.

JIHmtcb ^States ©f America

- JJfeheral (A0tatt0n JVomtmatraium (Certificate iSMlSnWeS* SA474SW signature Flight Support Corporation, a Delaware Corporation 7511 Lemmon Avenue, Hangar C Dallas, TX 75209 Bulletin 7A of the Bureau of Air Commerce Aero 618 or 669 McDonnell Douglas DC- 3 Installation of chairs and floor structure in accordance with data listed on Aerodyne Engineering Drawing List titled "28 Passenger Seating Installation - DC-3" dated 1/21/65 Revision 1 dated 1/30/65, or later FAA approved revision.

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

. January 30, 1965 February 01, 1965 ^•9/4/92; 12/21/98; 8/31/00 H&ee£> eumene&ej. April 19, 1982 Rev. 5 Managed, ^pe^ial Certiftpation 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 £IP code) from (Name of grantor) (Print or type) (Address of grantor) (Number and street) (City, State, and £IP cade) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- August 31, 2000: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/3a/d4/3ad496607e0adff9809a91734bc7800038800e912b812914503c5ccf8576a5d7)

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