# STC SA989WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Staggerwing Museum Foundation Inc., United States
- Description: Installation of revised carburetor air mixing chamber and ram airscoop.
- Status date: September 3, 2004
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS A-765](https://openairdocs.org/tcds/A-765)
- Certificate PDF: https://openairdocs.org/files/sha256/7f/b7/7fb7178cd5f82fbf630b8908d6aeacc7f29cff60e569ab6283ce2caff3f526df
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D2AD877CA1C0740D862570D9005CD60C.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA989WE

## ADs that name it (0)

None.

## Approved models (9)

- Raytheon Aircraft Company 3NM ([TCDS A-765](https://openairdocs.org/tcds/A-765))
- Raytheon Aircraft Company 3TM ([TCDS A-765](https://openairdocs.org/tcds/A-765))
- Raytheon Aircraft Company C-45G ([TCDS A-765](https://openairdocs.org/tcds/A-765))
- Raytheon Aircraft Company C-45H ([TCDS A-765](https://openairdocs.org/tcds/A-765))
- Raytheon Aircraft Company D18S ([TCDS A-765](https://openairdocs.org/tcds/A-765))
- Raytheon Aircraft Company JRB-6 ([TCDS A-765](https://openairdocs.org/tcds/A-765))
- Raytheon Aircraft Company TC-45G ([TCDS A-765](https://openairdocs.org/tcds/A-765))
- Raytheon Aircraft Company TC-45H ([TCDS A-765](https://openairdocs.org/tcds/A-765))
- Raytheon Aircraft Company UC-45J (SNB-5) ([TCDS A-765](https://openairdocs.org/tcds/A-765))

## 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.

This Certificate issued to Staggerwing Museum Foundation, Inc.

560 Old Shelbyville Highway Tullahoma, TN 37388 Part 3 of the Civil Air Regulations, effective November 1, 1949.

765 BEECH D18S, C-45G & H, TC-45G & H, SNB-5, JRB-6, 3N, 3NM, 3TM Description of Type Design Change: Installation of revised carburetor air mixing chamber and ram airscoop per FAA Sealed Hamilton Aircraft Company, Inc. Dwg. 256047, Sheets 1 & 2.

Limitations and Conditions: The approval of this change in type design applied basically to the above model aircraft only. This approval should not be extended to other aircraft of these models on which other previously approved modifications are incorporated unless it is determined by the installer that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of these aircraft. This determination should include consideration of significant changes in weight distribution such as an increase in the fixed disposable weight in the fuselage. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

Date of application : June 15, 1965

Date of issuance : June 23, 1965

Date reissued: August 20, 1965; April 28, 1977;

September 3, 2004

Date amended : January 6, 1969

( Signature) Manager, Technical & Administrative Support Staff, Los Angeles Aircraft Certification Office ( Title)

## Every issue (1)

- September 3, 2004: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/7f/b7/7fb7178cd5f82fbf630b8908d6aeacc7f29cff60e569ab6283ce2caff3f526df)

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