# STC SA4510NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Honeywell International Inc, United States
- Description: Installation of Dual Honeywell EDZ-805 Electronic Flight Instrument System, with options.
- Applied: September 4, 1987
- Status date: March 19, 2020
- Product: Aircraft, Large Airplane
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A22CE](https://openairdocs.org/tcds/A22CE)
- Certificate PDF: https://openairdocs.org/files/sha256/36/00/360056a5180b8006f850f5975f4089bd5e91e287939d319fb8aef04527546b69
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/72E39217A197C1358625861600689AA3.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4510NM

## ADs that name it (0)

None.

## Approved models (1)

- Textron Aviation Inc. 550 ([TCDS A22CE](https://openairdocs.org/tcds/A22CE))

## 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.

FAA Form 8110-2 (5/14) Page 1 of 2 Number: SA4510NM This certificate issued to: Honeywell International Inc.

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

Original Product – Type Certificate Number: Make: Cessna A22CE Model: 550 Description of Type Design Change:

Installation of Dual Honeywell EDZ-805 Electronic Flight Instrument System, with options, in accordance with FAA sealed top drawing, Honeywell Engineering Specification No. 1500-0444, Revision “C”, dated October 14, 1988, or later FAA sealed revision.

FAA approved Airplane Flight Manual Supplement, Honeywell Engineering Specification No. 1500-0481, Revision “D”, dated November 14, 1998, FAA approved on November 10, 1988, or later FAA approved revision is required as part of this installation.

The approval of this change in type design applies to the above listed model airplanes only. This approval should not be extended to other aircraft of this model 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 previously approved modifications will introduce no adverse effect upon the airworthiness of that 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: September 4, 1987 Date Reissued: January 15, 2009; March 19, 2020 Date of Issuance: November 17, 1988 Date Amended:

By Direction of the Administrator Signature Richard B. Sleigh Title ODA Administrator, ODA-602216-NM

FAA Form 8110-2 (5/14) Page 2 of 2

To (Name and address of transferee) From (Name and address of grantor) Extent of Authority (if licensing agreement):

## Every issue (3)

- March 19, 2020: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/36/00/360056a5180b8006f850f5975f4089bd5e91e287939d319fb8aef04527546b69)
- January 15, 2009: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/e1/f3/e1f3f9273925d6f44de8264833655e53c1eb57e195ce2d1752ae7845af159d5f)
- November 17, 1988: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/bb/b7/bbb71d76c74192a63fe43fec9ab88a91fa1101e666da99d59936784de8cb383e)

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