# STC SA04474CH

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Rubbert Aircraft Services, United States
- Description: Installation of Rubbert Exhaust Assembly RR-1210, RR-1210-HR, RR-1212 and RR-1212-HR on Piper Aircraft models PA-12, PA- 14, PA-16, PA-18, PA-19, PA-20 and PA-22, in accordance with Installation Instructions, document number RR-120, revision Org., dated 04/24/2020 and Instruct 1201, revision Org., dated July 27, 2020 or later FAA approved revision.
- Applied: July 1, 2018
- Status date: April 1, 2021
- Product: Engine, Rotorcraft
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS A-797](https://openairdocs.org/tcds/A-797), [TCDS A-780](https://openairdocs.org/tcds/A-780), [TCDS 1A1](https://openairdocs.org/tcds/1A1), [TCDS 1A2](https://openairdocs.org/tcds/1A2), [TCDS 1A4](https://openairdocs.org/tcds/1A4), [TCDS 1A6](https://openairdocs.org/tcds/1A6)
- Certificate PDF: https://openairdocs.org/files/sha256/9c/30/9c30daf69041b06af4cfcd8b29596180bc0f426afe9652d9704f583850a933de
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/03CBECBFDE23F22C862586AA0072BDBD.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA04474CH

## ADs that name it (0)

None.

## Approved models (34)

- FS 2002 Corp. PA-14 ([TCDS A-797](https://openairdocs.org/tcds/A-797))
- FS 2003 Corp. PA-12 ([TCDS A-780](https://openairdocs.org/tcds/A-780))
- FS 2003 Corp. PA-12S ([TCDS A-780](https://openairdocs.org/tcds/A-780))
- Piper Aircraft Inc. PA-16 ([TCDS 1A1](https://openairdocs.org/tcds/1A1))
- Piper Aircraft Inc. PA-16S ([TCDS 1A1](https://openairdocs.org/tcds/1A1))
- Piper Aircraft Inc. PA-18 ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- Piper Aircraft Inc. PA-18-105 (Special) ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- Piper Aircraft Inc. PA-18-125 (Army L-21A) ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- Piper Aircraft Inc. PA-18-135 ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- Piper Aircraft Inc. PA-18-150 ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- Piper Aircraft Inc. PA-18A ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- Piper Aircraft Inc. PA-18A-135 ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- Piper Aircraft Inc. PA-18A-150 ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- Piper Aircraft Inc. PA-18AS-125 ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- Piper Aircraft Inc. PA-18AS-135 ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- Piper Aircraft Inc. PA-18AS-150 ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- Piper Aircraft Inc. PA-18S ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- Piper Aircraft Inc. PA-18S-105 (Special) ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- Piper Aircraft Inc. PA-18S-125 ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- Piper Aircraft Inc. PA-18S-135 ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- Piper Aircraft Inc. PA-18S-150 ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- Piper Aircraft Inc. PA-19 (Army L-18C) ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- Piper Aircraft Inc. PA-19S ([TCDS 1A2](https://openairdocs.org/tcds/1A2))
- Piper Aircraft Inc. PA-20 ([TCDS 1A4](https://openairdocs.org/tcds/1A4))
- Piper Aircraft Inc. PA-20-115 ([TCDS 1A4](https://openairdocs.org/tcds/1A4))
- Piper Aircraft Inc. PA-20-135 ([TCDS 1A4](https://openairdocs.org/tcds/1A4))
- Piper Aircraft Inc. PA-20S ([TCDS 1A4](https://openairdocs.org/tcds/1A4))
- Piper Aircraft Inc. PA-20S-115 ([TCDS 1A4](https://openairdocs.org/tcds/1A4))
- Piper Aircraft Inc. PA-20S-135 ([TCDS 1A4](https://openairdocs.org/tcds/1A4))
- Piper Aircraft Inc. PA-22 ([TCDS 1A6](https://openairdocs.org/tcds/1A6))
- Piper Aircraft Inc. PA-22-135 ([TCDS 1A6](https://openairdocs.org/tcds/1A6))
- Piper Aircraft Inc. PA-22-150 ([TCDS 1A6](https://openairdocs.org/tcds/1A6))
- Piper Aircraft Inc. PA-22S-135 ([TCDS 1A6](https://openairdocs.org/tcds/1A6))
- Piper Aircraft Inc. PA-22S-150 ([TCDS 1A6](https://openairdocs.org/tcds/1A6))

## 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.

Installation of Rubbert Exhaust Assembly RR-1210, RR-1210-HH, RR-1212 and RR-1212-HH on Piper Aircraft models PA-12, PA- 14, PA-16, PA-18, PA-19, PA-20 and PA-22, in accordance with Installation Instructions, document number RR-1200, Revision 1, dated 03/03/2021 and Instructions for Continued Airworthiness, document number RR-1201, revision Org., dated July 27, 2020 or later FAA approved revision.

1. This modification is only applicable to aircraft equipped with Lycoming O-320 or O-360 engines.

2. Compatibility of this design change with previously approved modifications must be determined by the installer.

3. If the holder agrees to permit another person to use this certificate to alter the product, the holder must give the other person written evidence of that permission.

…….End……

Rubbert Aircraft Services 1850 2nd Ave. NE Reynolds, ND 58275 See attached FAA Approved Model List (AML) No. SA04474CH for list of approved Aircraft Models and applicable airworthiness regulations. Make :* Model :* Date reissued: April 1, 2021 Date amended:

(Signature) Roy E. Boffo, III Manager, Propulsion and Program Management Section Chicago ACO Branch, Compliance & Airworthiness Division

(Title) Date of application: September 13, 2009 Date of issuance: June 22, 2010

FAA FORM 8110-2-1(10-69) PAGE 2 of 2 PAGES

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, State, and ZIP code) from (Name of grantor) (Print or type) (Address of granter) (Number and street) (City, State, and ZIP code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

F AA APPROVED MODEL LIST (AML) NO. SA04474CH Rubbert Aircraft Service for Installation of Exhaust Assembly Issue Date: September 23, 2020 Page 1 of 2

**INSTALLATION**

**INSTRUCTIONS IT EM A**

**IRCRAFT MAKE A**

**IRCRAFT MODEL**

**ORIGINAL TYPE**

**CERTIFICATE NUMBER**

**CERTIFICATION BASIS FOR**

ALTERATION SVENN’S

**AVIATION**

**INSTALLATION**

**INSTRUCTIONS REVISION NO.**

**AND DATE AML**

**AMENDMENT DATE AFM**

**SUPPLEMENT**

NUMBER/DATE 1 FS2003 Corp PA-12, PA-12S A-780 CAR Part 3 and Amendments listed in TCDS No. A- 780 RR-1200 Revision 1, Dated:

March 3, 2021 FAA Approved:

March 30, 2021 * September 23, 2020 N/A 2 FS 2002 Corp.

PA-14 A-797 CAR Part 3 and Amendments listed in TCDS No. A- 797 RR-1200 Revision 1, Dated:

March 3, 2021 FAA Approved:

March 30, 2021 * September 23, 2020 N/A 3 Piper Aircraft, Inc.

PA-16, PA-16S 1A1 CAR Part 3 and Amendments listed in TCDS No. 1A1 RR-1200 Revision 1, Dated:

March 3, 2021 FAA Approved:

March 30, 2021 * September 23, 2020 N/A 4 Piper Aircraft, Inc.

PA-18, PA-18S, PA-18 "105" (Special), PA-18S "105" (Special), PA- 18A, PA-18 "125" (Army L-21A), PA-18S "125", PA-18AS "125", PA-18 "135" (Army L- 21B), PA-18A "135", PA-18S "135", PA-18AS "135", PA-18 "150", PA- 18A "150", PA-18S "150", PA-18AS "150", PA-19 (Army L-18C), PA-19S 1A2 CAR Part 3 and Amendments listed in TCDS No. 1A2 RR-1200 Revision 1, Dated:

March 3, 2021 FAA Approved:

March 30, 2021 * September 23, 2020 N/A

F AA APPROVED MODEL LIST (AML) NO. SA04474CH Rubbert Aircraft Service for Installation of Exhaust Assembly Issue Date: September 23, 2020 Page 2 of 2 5 Piper Aircraft, Inc.

PA-20, PA-20S, PA-20- 115, PA-20S-115, PA- 20-135, PA-20S-135 1A4 CAR Part 3 and Amendments listed in TCDS No. 1A4 RR-1200 Revision 1, Dated:

March 3, 2021 FAA Approved:

March 30, 2021 * September 23, 2020 N/A 6 Piper Aircraft, Inc.

PA-22, PA-22-135, PA- 22S-135, PA-22-150, PA-22S-150 1A6 CAR Part 3 and Amendments listed in TCDS No. 1A6 RR-1200 Revision 1, Dated:

March 3, 2021 FAA Approved:

March 30, 2021 * September 23, 2020 N/A * OR LATER FAA APPROVED REVISION Note 1: Installation is limited to aircraft with Lycoming 0-320 or 0-360 engines.

F AA Approved:

Roy E. Boffo Manager, Propulsion and Program Management Section Chicago ACO Branch Reissued: April 1, 2021 Amended: N/A

## Every issue (2)

- April 1, 2021: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/9c/30/9c30daf69041b06af4cfcd8b29596180bc0f426afe9652d9704f583850a933de)
- September 23, 2020: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/16/6f/166f8651a1c3b712c160187004aae13d50819d5f5ac3bc912cc1fbee04fa903d), [SA04474CH.pdf](https://openairdocs.org/files/sha256/da/c9/dac9796130f5b17fffc1667b19aae155119a84f4877ba811edc07e715c9a6671)

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