# STC SA2-51

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Signature Flight Support Corporation, United States
- Description: A 200 amp generator system installation
- Applied: August 21, 1957
- 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/sha256/39/81/3981fd014d764c70a6c280fba4e341ac359503668feead33f70788d46d42e0bb
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/41E55504AF27776685256CC10083D498.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA2-51

## 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.

Department of fEraitepnrtatum - ^dtattmt (Abmtmstrattun Certificate SA2-51 Signature Flight Support Corporation, a Delaware Corporation 7511 Lemmon Avenue, Hangar C Dallas, TX 75209 Aero/Bulletin 7A of the Bureau of Air Commerce 618, 669 McDonnell Douglas DC-3 A 200 amp generator system installation in accordance with EAS Dwg. 352353 dated Nov. 2, 1956, and Explanation Sheet for photographs 1 thru 14, or in accordance with EAS Dwg. No. 352353, Change A dated 8/20/57, and photographs 1 thru 5 dated 8/20/57.

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

•August 21, 1957 November 01, 1957 r'l -V-1- Rev. 3 ; 12/21/98; 8/31/00 ; 4/10/81; 1/5/82 S. Frances Cox Manager, Special Certification Office, Southwest Region (TOte) *J(*r»tJon~of this certificate Ij punljh«ble by * fin* of not •MW*dinB~SJ,QOO, or ImprlsoiiBint not ftceedlng S /Mrs, or both.

Forn 8110-2(10-66) Pig* 1 o( 2 Thlj cvttiflcltf m*y h* trJnjf»rr«d In accordanc* with PAR 21-47.

INSTRUCTIONS The irdnsfFrondoi-semtnt Ix-low may be used io notify the appropriate FAA Regional Office of the transfer of this Supplemental Type Certified!!.-.

The FAA will rnssui- the i.Tiifitdte in the name of the transferee and forward n 10 him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transffTee) (Address oj transferee) f Number and itrrtt) (Cttf. Stair, and ?IP (oat) from (Name of grantor) (Print or type) (Address of grantor) (Number and ilieet) (City, Stale, unit %IP cod Extent of Authority (if licensing agreement):

Dale of Transfer:.

Signature of grantor (In ink):

C FAA AC Sfl-5538

## Every issue (1)

- August 31, 2000: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/39/81/3981fd014d764c70a6c280fba4e341ac359503668feead33f70788d46d42e0bb)

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