STC SA02228AT

FAA DRS lists SA02228AT as Current · Amended, held by Power Flow Systems Inc, for Cessna Aircraft 172K, Cessna Aircraft 172M, and Cessna Aircraft 172I, and 4 more aircraft configurations. Recorded change: For model 172 airplanes with Lycoming O-360 engines per STC SA332GL or STC SA4428SW, modification of standard exhaust system. For model 172 with Lycoming O-360 engines per STC SA647CE or STC SA1324CE, modification of standard exhaust system. Snapshot dated June 30, 2026.

FAA-listed holder

Power Flow Systems Inc

Aircraft configurations

FAA revision date

May 20, 2025

FAA status

Current · Amended

Recorded modification

What the FAA record covers

SA02228AT identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.

Applicability

Aircraft named in FAA DRS

Named aircraft: Cessna Aircraft 172K, Cessna Aircraft 172M, and Cessna Aircraft 172I, and 4 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Cessna Aircraft 172K3A12 Cessna Aircraft 172M3A12 Cessna Aircraft 172I3A12 Cessna Aircraft 1723A12 Cessna Aircraft 172N3A12 Cessna Aircraft 172P3A12 Cessna Aircraft 172L3A12

Buyer checks

Confirm before sourcing

SA893SOEngine and powerplantRevised Jul 14, 2011

Installation of exhaust silencers in accordance with Beryl D Shannon installation instructions for Part Number 2010-1, 2010-2 dated 4-2-76, and 2011, dated 4-2-76. The exhaust silencer is manufactured in accordance with Beryl D Shannon Drawing No. 2010, Rev. N/C, dated 4-2-76.

FAA holder: D'Shannon Products Ltd.

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SA03000NYEngine and powerplantRevised Jul 12, 2011

Installation of the Bleed Air Heat Installation for Viking Turbine Engine modification to be completed in accordance with Braveco Design, Master Drawing List VT3V27-MDL, Revision A, dated March 1, 2009, or later Transport Canada approved revision.

FAA holder: Viking Air Limited

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ST01384LAEngine and powerplantRevised Jul 5, 2011

Installation of MASS Systems P/N M811456 engine fire extinguisher. This fire extinguisher is in accordance with MASS Systems Master Drawing List (MDL) No. M811456, Revision C, dated August 22, 2002, or later FAA approved revision.

FAA holder: AMETEK AMERON LLC d/b/a MASS Systems

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SA02979CHEngine and powerplantRevised Jul 1, 2011

Installation of the Lycoming O-320-A2B engine in accordance with H. O. Aircraft, Inc. Installation Manual, Document No. IM-7ECA-320, Rev. IR, dated 5/12/2011, FAA approved on 7/1/2011 or later FAA approved revision.

FAA holder: H. O. Aircraft Inc.

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What the FAA record covers

Aircraft named in FAA DRS

Confirm before sourcing

Related engine and powerplant STCs

Installation of exhaust silencers in accordance with Beryl D Shannon installation instructions for Part Number 2010-1, 2010-2 dated 4-2-76, and 2011, dated 4-2-76. The exhaust silencer is manufactured in accordance with Beryl D Shannon Drawing No. 2010, Rev. N/C, dated 4-2-76.

Installation of the Bleed Air Heat Installation for Viking Turbine Engine modification to be completed in accordance with Braveco Design, Master Drawing List VT3V27-MDL, Revision A, dated March 1, 2009, or later Transport Canada approved revision.

Installation of MASS Systems P/N M811456 engine fire extinguisher. This fire extinguisher is in accordance with MASS Systems Master Drawing List (MDL) No. M811456, Revision C, dated August 22, 2002, or later FAA approved revision.

Installation of the Lycoming O-320-A2B engine in accordance with H. O. Aircraft, Inc. Installation Manual, Document No. IM-7ECA-320, Rev. IR, dated 5/12/2011, FAA approved on 7/1/2011 or later FAA approved revision.