# Wsk-Pzl 6A4-150-B4 - Type: Engine model (FAA registry) - Registry code: 67224 - Manufacturer (registry): WSK-PZL - Model: 6A4-150-B4 - Engine type: Reciprocating - Power: 150 hp - Data sheet: [TCDS E-238](https://openairdocs.org/tcds/E-238) (OpenAirDocs) - Holder: Franklin Sp. z.o.o. - Installed in: 0 registered aircraft - Page: https://openairdocs.org/engine/wsk-pzl-6a4-150-b4 Model codes come from the FAA registry's reference file. ## ADs that may apply (OpenAirDocs) Matched to this engine model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment. - [AD 69-09-01](https://openairdocs.org/ad/69-09-01): Eisemann Magnetos · Eisemann Magnetos, 2A4-45-B2, 2A4-49-B2 and 158 more ## Registered aircraft None registered with this engine model now. ## NTSB investigations None matched to aircraft with this engine model. ## FAA accident and incident reports None matched to aircraft with this engine model. ## STCs that may be installed (OpenAirDocs) (11) Approved for this engine model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has. - [STC SE04651CH](https://openairdocs.org/stc/SE04651CH): To allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22. Swift Fuels LLC - [STC SE2932SW](https://openairdocs.org/stc/SE2932SW): Install carburetor air temperature indicator. Approved for Aircooled Motors (Franklin Engine Co.) equipped with float carburetors. Model eligibility included here may not be inclusive. Alcor LLC - [STC SE1311SO](https://openairdocs.org/stc/SE1311SO): Installation of Shivers carburetor temperature gauge with a Richter Aero Equipment B-5 carburetor temperature probe. LegacySTC.com - [STC SE03309CH](https://openairdocs.org/stc/SE03309CH): Installation of Engine Preheat Kit, p/n TSP6CYL-2927-115 for 115 volt application. Hartzell Propeller Inc - [STC SE01966WI](https://openairdocs.org/stc/SE01966WI): Use of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft engines. General Aviation Modifications Inc - [STC SE3331NM](https://openairdocs.org/stc/SE3331NM): Lycoming valve cover gasket. Real Gaskets Tennessee - [STC SE110CH](https://openairdocs.org/stc/SE110CH): Installation of Slick Model 6399 magnetos. Champion Aerospace LLC - [STC SE1-201](https://openairdocs.org/stc/SE1-201): Installation of the Richter Aero Equipment Type B-4 or B-5 Temperature Probe. (O-360 SERIES (excl. A1C, C2B, C2D)). MidContinent Instru Co Inc - [STC SE1696GL](https://openairdocs.org/stc/SE1696GL): Installation of nose seal retainer. Skaggs Robert G - [STC SE2127CE](https://openairdocs.org/stc/SE2127CE): Add the following approved fuel unleaded automotive gasoline, 87 minimum antiknock index and leaded automotive gasoline, 88 minimum antiknock index (RON+MON)/2. Intermixing with aviation gasoline also approved. Petersen Aviation Inc - [STC SE4-1192](https://openairdocs.org/stc/SE4-1192): Adapter to permit Bendix Scintilla magneto installation, Type SF6LN-8, and modification of carburetor- manifold adapter box. Van De Water Devel Co ## PMA parts (OpenAirDocs) (93, first 50) Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this engine model on its data sheet, so check the FAA record before relying on it. Newest first. - [72-231114-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID126488040520260722204349.0001): TAG-Engine. Swift Fuels, LLC · PMA PQ04423CE · Modification part · Jul 17, 2026 - [AB-160844](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID172896150720251216184414.0001): Spring & Brush Assembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-160844 · Nov 10, 2025 - [AB-90751-19](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID191643992120251216184502.0001): Cotter Pin. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental 10-90751-19 · Dec 8, 2023 - [AB-357426](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID184238701620251216184448.0001): Distributor Block. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental 10-357426 · Dec 8, 2023 - [AB-382585](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID174195818620251216184454.0001): Ignition ContactAssembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental10-382585 · Dec 8, 2023 - [AB-400623](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID168816889220251216184444.0001): Ball Bearing. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental… · Dec 8, 2023 - [AB-357174](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID160990699020251216184451.0001): Ignition ContactAssembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental10-357174 · Dec 8, 2023 - [AB-157158](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID158219565620251216184432.0001): Screw. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental MotorsP/N: 10-157158 · Dec 8, 2023 - [AB-51678](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID157802434020251216184508.0001): Oil Deflector. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental10-51678 · Dec 8, 2023 - [ES10-35936-7](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID148471542220251216184429.0001): Screw. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental 10-35936-7 · Dec 8, 2023 - [AB-382584](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID126776576020251216184455.0001): Ignition ContactAssembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental10-382584 · Dec 8, 2023 - [AB-349511](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID120405838820251216184440.0001): Washer. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental 10-349511 · Dec 8, 2023 - [AB-349326](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID116200064020251216184456.0001): Fish Paper. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental10-349326 · Dec 8, 2023 - [AB-349263](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID113648021920251216184506.0001): O-Ring. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental10-349263 · Dec 8, 2023 - [AB-357173](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID105495468820251216184452.0001): Ignition ContactAssembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental10-357173 · Dec 8, 2023 - [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID197131308520240301172645.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Dec 1, 2023 - [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID172780068720240301172642.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Dec 1, 2023 - [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID168354325020240301172638.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Dec 1, 2023 - [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID145217999320240301172658.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Dec 1, 2023 - [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID118323347220240301172648.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Dec 1, 2023 - [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID102475767020240301172654.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Dec 1, 2023 - [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID176360833820240301172648.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Nov 9, 2023 - [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID172762233220240301172632.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Nov 9, 2023 - [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID163685509620240301172639.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Nov 9, 2023 - [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID162371588220240301172654.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Nov 9, 2023 - [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID150014931220240301172641.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Nov 9, 2023 - [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID141585254820240301172654.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Nov 9, 2023 - [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID123063929720240301172657.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Nov 9, 2023 - [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID115495300220240301172646.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Nov 9, 2023 - [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID104850212020240301172638.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Nov 9, 2023 - [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID102201684720240301172637.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Nov 9, 2023 - [TA2927-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID143759258820231109131601.0001): Engine Preheat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Oct 31, 2023 - [TA2927-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID118936882120231109131600.0001): Engine Preheat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Oct 31, 2023 - [ES10-400549-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID158172130220230929175036.0001): 200 Series Frame, Lyc Flange. Kelly Aerospace Energy Systems LLC · PMA PQ4176CE · Replaces 10-400549-2 · Jul 17, 2023 - [ES10-400551-8](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID178086668520231025135112.0001): Housing, Distributor. Kelly Aerospace Energy Systems LLC · PMA PQ4176CE · Replaces 10-400551-8 · Apr 1, 2023 - [ES10-25788](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID197042042020230703154012.0001): Bearing, Sleeve. Kelly Aerospace Energy Systems LLC · PMA PQ4176CE · Replaces 10-357078, 10-25788, 736 · Mar 20, 2023 - [ES10-56513](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID157880742420230502200206.0001): Pin, Stop. Kelly Aerospace Energy Systems LLC · PMA PQ4176CE · Replaces 10-56513 · Feb 9, 2023 - [ES1553](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID135063461520230330124455.0001): Screw, Harness Cap. Kelly Aerospace Energy Systems LLC · PMA PQ4176CE · Replaces M1553 · Oct 27, 2022 - [ES10-357165-20](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID117084116020220725141437.0001): Coil, Magneto. Kelly Aerospace Energy Systems LLC · PMA PQ4176CE · Replaces 10-357165-20, 10-357164-1 · Jun 9, 2022 - [U10246A](https://drs.faa.gov/browse/excelExternalWindow/98D36B74C24ED5D386258411006EC3CF.0001): Bushing - Engine Mount. Univair Aircraft Corp · PMA PQ0012NM · Replaces Franklin 10246 · Nov 28, 2018 - [ES10-400160-3](https://drs.faa.gov/browse/excelExternalWindow/6C8CDF91CBB55774862580D8005634F1.0001): Cover. Kelly Aerospace Energy Systems LLC · PMA PQ4176CE · Replaces Continental Motors 10-400160-3 · Jun 26, 2016 - [ES10-3793](https://drs.faa.gov/browse/excelExternalWindow/91AEC7E0FED7140186257ED50059889A.0001): Lock Washer. Kelly Aerospace Energy Systems LLC · PMA PQ4176CE · Replaces Champion Motors P/N 10-3793 · Sep 20, 2015 - [B1](https://drs.faa.gov/browse/excelExternalWindow/363387DD38653A7286257CD6005110AF.0001): Harness. Kelly Aerospace Energy Systems LLC · PMA PQ4176CE · Replaces Aero-Lite P/N B1 · Mar 24, 2014 - [KA17002](https://drs.faa.gov/browse/excelExternalWindow/EC25BC4EB8171FBE86257B6300694588.0001): Ignition Harness. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Franklin FR19557 · Feb 24, 2013 - [KA17001](https://drs.faa.gov/browse/excelExternalWindow/6818A5428312BBDA86257B6300694586.0001): Ignition Harness. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Franklin FR19557 · Feb 24, 2013 - [KA17001E](https://drs.faa.gov/browse/excelExternalWindow/66B2F47B21EC2E9886257B6300694587.0001): Ignition Harness. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Franklin FR19557 · Feb 24, 2013 - [KA17002E](https://drs.faa.gov/browse/excelExternalWindow/064F1F2AE0437E2B86257B6300694589.0001): Ignition Harness. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Franklin FR19557 · Feb 24, 2013 - [KA17002](https://drs.faa.gov/browse/excelExternalWindow/CE4EA53822BC950586257F5E006236FC.0001): Ignition Harness. Kelly Aerospace Energy Systems LLC · PMA PQ4176CE · Replaces Franklin FR19557 · Nov 29, 2012 - [KA17001](https://drs.faa.gov/browse/excelExternalWindow/AED336200FC22C3C86257F5E006236BD.0001): Ignition Harness. Kelly Aerospace Energy Systems LLC · PMA PQ4176CE · Replaces Franklin FR19557 · Nov 29, 2012 - [KA17002E](https://drs.faa.gov/browse/excelExternalWindow/A8B44E1147431ED486257F5E0062371B.0001): Ignition Harness. Kelly Aerospace Energy Systems LLC · PMA PQ4176CE · Replaces Franklin FR19557 · Nov 29, 2012 All of them: https://openairdocs.org/engine/wsk-pzl-6a4-150-b4/pma.md --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.