# STC SA4019NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Ritter & Iverson Co, Inc, United States
- Description: Installation of engine as modified by STC SE4020NM for the installation of Ritter & Iverson Cam P/N 32122-1.
- Applied: August 5, 1987
- Status date: September 30, 1987
- Product: Aircraft, Single-Engine
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS A4CE](https://openairdocs.org/tcds/A4CE)
- Certificate PDF: https://openairdocs.org/files/sha256/16/fd/16fdcd498499c55980505473b0ac4a0d07799d69be2b5fdc19119cb5d44d0cac
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/8B40507AF12B948985256CC2000C602D.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4019NM

## ADs that name it (0)

None.

## Approved models (2)

- Cessna Aircraft Company 206 ([TCDS A4CE](https://openairdocs.org/tcds/A4CE))
- Cessna Aircraft Company U206G ([TCDS A4CE](https://openairdocs.org/tcds/A4CE))

## 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 SA4019NM

This certificate, issued to: Ritter and Iverson Company, Inc.

Part 3 of the Civil Air Regulations. Effective May 15, 1956

Original ProductType Certificate Number: A4CE Make: Cessna Model: 206, U206G

Description of the Type Design Change: Installation of engine as modified by STC SE4020NM for the installation of Ritter and Iverson Cam Part NO. 32122-1. This approval is limited to the airplane/engine model combinations approved in Type Certificate A4CE.

Limitations and Conditions: Approval of this change in type design applies basically 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 of those 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 shall be maintained as part of the permanent records for the modified aircraft.

Date of application: August 5, 1987 Date reissued:

Date of issuance: September 30, 1987 Date amended:

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

## Every issue (1)

- September 30, 1987: Issued, Current. [certificate](https://openairdocs.org/files/sha256/16/fd/16fdcd498499c55980505473b0ac4a0d07799d69be2b5fdc19119cb5d44d0cac)

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