# STC SA4964NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Rosen Sunvisor Systems LLC, United States
- Description: Installation of a NSA sunvisor system for the pilot and copilot.
- Applied: March 30, 1990
- Status date: March 24, 2003
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A13CE](https://openairdocs.org/tcds/A13CE), [TCDS A20CE](https://openairdocs.org/tcds/A20CE)
- Certificate PDF: https://openairdocs.org/files/sha256/3f/91/3f91bc8a427d6ec7308f7dcb93dd4f6192073c65f68b222f4a1f127a0cb5d53a
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B330B74BCA7E55888625772100625A06.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4964NM

## ADs that name it (0)

None.

## Approved models (4)

- The Cessna Aircraft Company 177 ([TCDS A13CE](https://openairdocs.org/tcds/A13CE))
- The Cessna Aircraft Company 177A ([TCDS A13CE](https://openairdocs.org/tcds/A13CE))
- The Cessna Aircraft Company 177B ([TCDS A13CE](https://openairdocs.org/tcds/A13CE))
- The Cessna Aircraft Company 177RG ([TCDS A20CE](https://openairdocs.org/tcds/A20CE))

## 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.

Number SA4964NM

This certificate, issued to Rosen Sunvisor Systems 86365 College View Road Eugene, OR 97405

Part * of the * Regulations.

Original Product⎯Type Certificate Number: *See attached FAA Approved Model List (AML) Make: No. SA4964NM for list of approved airplane Model : models and applicable airworthiness regulations

Description of the Type Design Change : Installation of an NSA sunvisor system for the pilot and copilot in accordance with FAA approved Rosen Drawings as listed on the FAA AML of this STC, or later FAA approved revisions.

Limitations and Conditions : Approval of this change in type design applies to the above model aircraft 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 that the interrelationship between this change and any other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that aircraft. A copy of this Certificate and AML SA4964NM, dated October 5, 1990, or later FAA approved revision, shall be maintained as part of the permanent records for the modified 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: March 30, 1990 Date reissued: March 24, 2003 Date of issuance: October 5, 1990 Date amended: March 24, 2003

(Signature) Acting Manager, Seattle Aircraft Certification Office (Title)

## Every issue (1)

- March 24, 2003: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/3f/91/3f91bc8a427d6ec7308f7dcb93dd4f6192073c65f68b222f4a1f127a0cb5d53a)

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