# STC SA3451NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Honeywell International Inc, United States
- Description: Installation of Sperry SPZ-8000 Digital Integrated Flight Control System.
- Applied: June 5, 1986
- Status date: March 20, 2020
- Product: Aircraft, Large Airplane
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A9NM](https://openairdocs.org/tcds/A9NM)
- Certificate PDF: https://openairdocs.org/files/sha256/f2/4a/f24ab40d5e8f1fb41d6533e209842bd8b94dfa2c82a4a173df0a42a16b1bd64f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/00C70AB7AB8CD4F9862585D100639C83.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3451NM

## ADs that name it (0)

None.

## Approved models (1)

- Textron Aviation Inc. 650 ([TCDS A9NM](https://openairdocs.org/tcds/A9NM))

## 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.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Page 1 of 2 FAA Form 8110-2 (5/14)

Number: SA3451NM This certificate issued to: Honeywell International Inc.

21111N 19th Ave Phoenix, Arizona 85027 Part 25of the Federal Aviation Regulations.

Original Product – Type Certificate Number: Make: Cessna Model:

A9NM 650

Installation of Sperry SPZ-8000Digital Integrated Flight Control System, in accordance with Sperry Installation Engineering Specification 1500-0367, Revision "C", dated November 6,1986, or later FAA sealed revision.

Sperry Airplane Flight Manual Supplement No. 1500-0428approved on January 7, 1987, or later FAA approved revision is required aspart of this installation.

This installation should not be incorporated in any aircraft unlessit isdetermined that the interrelationship between this change and any previously approved configuration will not introduce any adverse effect upon the airworthinessof the aircraft. 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 5, 1986 Date Reissued: January 15, 2009; March 20, 2020

Date of Issuance: January 7, 1987 Date Amended:

Signature

Title Richard B. Sleigh ODA Administrator, ODA-602216-NM

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Page 2 of 2 FAA Form 8110-2 (5/14)

To (Name and address of transferee)

From (Name and address of grantor)

## Every issue (2)

- March 20, 2020: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/f2/4a/f24ab40d5e8f1fb41d6533e209842bd8b94dfa2c82a4a173df0a42a16b1bd64f)
- January 15, 2009: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/4d/36/4d3628809074c856df14773819bb223518556cf77e2047859830ca25f76fbc65)

---
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.