# STC SA4410NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Honeywell International Inc, United States
- Description: ONE ONLY STC, SN 421B0205, N5962M; Installation of Sperry Model GH14B Gyro Horizon
- Applied: March 4, 1982
- Status date: March 19, 2020
- Product: Aircraft, Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A7CE](https://openairdocs.org/tcds/A7CE)
- Certificate PDF: https://openairdocs.org/files/sha256/d2/a7/d2a7763d16aaee1b5117ede2f189b75ca1b31e8cf0ba9fd0ee9448bccf07f559
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7226F55BFDDBA5D486258616006835B7.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4410NM

## ADs that name it (0)

None.

## Approved models (1)

- Textron Aviation Inc. 421B ([TCDS A7CE](https://openairdocs.org/tcds/A7CE))

## 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: SA4410NM This certificate issued to: Honeywell International Inc.

21111 N 19th Ave Phoenix, Arizona 85027 CAR 3 of the Civil Air Regulations.

Original Product – Type Certificate Number: Make: Cessna A7CE Model: 421B, N5962M, S/N 421B0205 one time only, Normal Category Description of Type Design Change:

Installation of Sperry Model GH14B Gyro Horizon in accordance with Sperry Drawing No. 1500-0049, Revision “A”, dated March 3, 1982.

Data not suitable for reproduction in other aircraft; therefore, they are satisfactory for Cessna Model 421B, Serial No.

421B0205, N5962M only. No additional modifications of this type are to be approved solely by reference to this Supplemental Type Certificate or to the data submitted therefore. A copy of this certificate shall be maintained as part of the permanent records for this aircraft.

Date of Application: March 4, 1982 Date Reissued: October 31, 1985; April 8, 1987; January 15, 2009;

March 19, 2020 Date of Issuance: March 8, 1982 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 (2)

- March 19, 2020: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/d2/a7/d2a7763d16aaee1b5117ede2f189b75ca1b31e8cf0ba9fd0ee9448bccf07f559)
- January 15, 2009: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/ca/b5/cab58ae481a7440b6e473f7ceb28231b4cc37c53fdc0ca1d465c79d9828bfe2b)

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