# STC SA4-769

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Staggerwing Museum Foundation Inc., United States
- Description: Cambridge fuel air ratio analyzers.
- Applied: February 3, 1959
- Status date: August 13, 2005
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-765](https://openairdocs.org/tcds/A-765)
- Certificate PDF: https://openairdocs.org/files/sha256/c4/53/c4531138e10d3013feed09e62edfe2f4414e641324287da34c6a14033906229f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/99BCE6176039AB33862570D6005B7422.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4-769

## ADs that name it (0)

None.

## Approved models (5)

- 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 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))

## 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, Tennessee 37388 Part CAR 3 of the Civil Air Regulations.

A-765 Beechcraft C-45G, TC-45G, C-45H, TC-45H, D-18S Description of Type Design Change: Installed Cambridge fuel air ratio analyzers Limitations and Conditions: This approval should not be extended to other specific airplanes of this model on which other previously approved modifications are incorporated, unless it is determined that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that airplane.

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.

OPERATING LIMITATIONS: This aircraft must be operated in accordance with FAA Approved American Turbine Engine Co. Airplane Flight Manual Supplement dated March 17, 1959.

This certificate and the supporting data, which is the basis for approval, shall remain in effect until surrendered, suspended, revoked or a termination date is otherwise established by the Administrator of the Federal Aviation Administration.

Date of application: February 3, 1959

Date of issuance: March 17, 1959

Date reissued: April 25, 2005; August 13, 2005

( Signature)

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

## Every issue (1)

- August 13, 2005: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/c4/53/c4531138e10d3013feed09e62edfe2f4414e641324287da34c6a14033906229f)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.