# STC SA643SW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Tedder Aviation Corporation
- Description: Installation of Engine mount assembly for Jacobs R-755 engines.
- Status date: May 6, 1966
- Data sheets: A-743
- Certificate PDF: https://openairdocs.org/files/sha256/b0/14/b014160bf9330932745be875f1c51c049962fec4008fc54fa27ff7eb6e513526
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2CB962828B78F1D486257F550078C625.0001
- Page: https://openairdocs.org/stc/SA643SW

## ADs that name it

None.

## Approved models (1)

- Boeing Airplane Company Wichita Division 75 Series (TCDS A-743)

## 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.

**FEDERAL AVIATION AGENCY**

1. NAME AND ADDRESS OF APPLICANT Tedder Aviation Company P. 0. Box 5 Texarkana, Texas FORM APPROVED, BUDGET BUREAU NO. 04-R015

**INSTRUCTIONS - SUBMIT IN TRI PLICATE TO LOCAL FAA FLIGHT STANDARDS INSPECTOR.**

**COPY WILL BE RETURNED TO APPLICANT UPON**

**ISSUANCE**

2. SUPPLEMENTAL TYPE CERTIFICATE APPLIED FOR:

I y\ AIRCRAFT 1 1 ENGINE L 1 PROPELLER

ORIGINAL MODEL DESIGNATION Boeing 75 Series NEW MODEL DESIGNATION (If demlred) none

3. DESCRIPTION OF CHANGE Installation of engine mount assembly to permit use of Jacobs Models R-755 Series engines per Tedder Aviation Company's Drawing No. T-755.

NOTE: This is structural approval only.

**WILL DATA BE AVAILABLE FOR SALE OR RELEASE TO**

b. WILL PARTS BE MANUFACTURED FOR SALE (Kef. CAR

5. SIGNATURE AND TITLE OF APPLICANT January 22, 1966

DATE OF APPLICATION OTHER PERSONS? f*"1 YES 1 1 NO

1.55)1 nO YES 1 ~] NO

**SIGNATURE TITLE**

6. To be Completed by FAA

NATURE AND LOCATION OF DATA Data listed in Item 3 afeove and FAA- 12 5 7 on file in SW-210.

Reference Project: A891SWS Applicable regulations: same as original certification.

**ORIGINAL TYPE CERTIFICATE NO. FAAAP 743 SUPPLEMENTAL TYPE CERTIFICATE NO.**

SA643SW ^ DATE OF APPROVAL (/ *" C*i May 6, 1966 =ROVAL ' " S 1 GN A TU R E en W. Welsh ief, Engineering and Manufacturing Branch Tl TLE * U.S. GOVERNMENT PRINTING OFFICE : 1959 O—509657 FORM FAA-2417 (5-59)

## Every issue (1)

- May 6, 1966: Issued, Current. [certificate](https://openairdocs.org/files/sha256/b0/14/b014160bf9330932745be875f1c51c049962fec4008fc54fa27ff7eb6e513526)

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From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.