STC SA04474CH

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