# Lycoming IGSO-480-A1G6

- Type: Engine model (FAA registry)
- Registry code: 42223
- Manufacturer (registry): LYCOMING
- Model: IGSO-480-A1G6
- Engine type: Reciprocating
- Power: 340 hp
- Data sheet: [TCDS E-284](https://openairdocs.org/tcds/E-284) (OpenAirDocs)
- Holder: Lycoming Engines
- Installed in: 0 registered aircraft
- Page: https://openairdocs.org/engine/lycoming-igso-480-a1g6

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 2022-16-03](https://openairdocs.org/ad/2022-16-03): Engine (RECIPROCATING) · Continental Aerospace Technologies GTSIO-520-C, GTSIO-520-D, GTSIO-520-F and 236 more. Effective Aug 15, 2022
- [AD 2012-03-06](https://openairdocs.org/ad/2012-03-06): Fuel servo diaphragm · Continental Motors 6-260-A, 6-285-A, 6-285-B and 482 more. Effective Feb 24, 2012
- [AD 2004-10-14](https://openairdocs.org/ad/2004-10-14): Crankshaft gear · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 642 more. Effective Jun 25, 2004
- [AD 97-15-11](https://openairdocs.org/ad/97-15-11): Cylinder kits · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 538 more. Effective Aug 12, 1997
- [AD 92-12-05](https://openairdocs.org/ad/92-12-05): Piston Pins · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 532 more. Effective Jul 10, 1992
- [AD 90-04-06 R1](https://openairdocs.org/ad/90-04-06-R1): Propeller Governor External Oil Line · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 427 more. Effective May 28, 1991
- [AD 79-04-05](https://openairdocs.org/ad/79-04-05): Regulator Diaphragm Stem Assembly · Lycoming Engines AEIO-320-D1B, AEIO-320-E1A, AEIO-320-E1B and 215 more. Effective Sep 26, 1979
- [AD 78-23-10](https://openairdocs.org/ad/78-23-10): Center Body Bellows Seal Assembly · Lycoming Engines AEIO-320-D1B, AEIO-320-E1A, AEIO-320-E1B and 218 more. Effective Nov 7, 1978
- [AD 69-25-08](https://openairdocs.org/ad/69-25-08): Reduction Gear Assemblies · Lycoming Engines GO-435-C2A, GO-435-C2A2, GO-480-A1A and 61 more. Effective Feb 19, 1970
- [AD 66-06-03](https://openairdocs.org/ad/66-06-03): Connecting Rod Assemblies · Lycoming Engines GO-435-C2 (O-435-17), GO-435-C2A, GO-435-C2A2 and 317 more. Effective Jan 16, 1969

## Information bulletins (advisory) (2)

- [SAIB NE-19-08](https://openairdocs.org/saib/NE-19-08): Reciprocating Engine Cylinder Section - Lycoming Engines Parallel Valve Cylinders. Issued May 2, 2019
- [SAIB NE-14-13](https://openairdocs.org/saib/NE-14-13): Reciprocating Engine - Cylinder Mounting Studs. Issued Mar 24, 2014

## 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) (13)

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 SE04349CH](https://openairdocs.org/stc/SE04349CH): Installation of SureFly electronic ignition. SureFly Partners Ltd
- [STC SE01954SE](https://openairdocs.org/stc/SE01954SE): Installation of engine crankcase seal. Ly-Con Rebuilding Company
- [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 SE8628SW](https://openairdocs.org/stc/SE8628SW): Installation of oil nozzles for lubrication of cam and filters. Cygnet Aerospace Corp
- [STC SE4408SW](https://openairdocs.org/stc/SE4408SW): Miscellaneous engine cylinder replacement parts. Continental Motors, Inc. Lists IGSO-480 Series
- [STC SE09492SC](https://openairdocs.org/stc/SE09492SC): Installation and usage of Exxon 20W50 multigrade aircraft engine oil conforming to Exxon Oil formulation WS-3013. Exxon Company USA. Lists IGSO-480 Series
- [STC SE00350SE](https://openairdocs.org/stc/SE00350SE): Installation of sump mounted chip detector. Aviation Development Corporation
- [STC SE8023SW](https://openairdocs.org/stc/SE8023SW): Installation and usage of AEROSHELL. Shell Development Co. Lists IGSO-480 Series
- [STC SE452NE](https://openairdocs.org/stc/SE452NE): Installation and usage of 'Mobil AV 1' aviation oil. Mobil Research & Development Corp. Lists IGSO-480 Series
- [STC SE5879SW](https://openairdocs.org/stc/SE5879SW): Use of Phillips X/C II 20W-50 and25W-60 oil (OSS 55875) in all Avco reciprocating aircraft engines from 65 to 450 BHP. Phillips Petroleum Co. Lists IGSO-480 Series
- [STC SE128NE](https://openairdocs.org/stc/SE128NE): Use of AMS/OIL 15W 50 synthetic piston aircraft oil in Avco engines. AMS/OIL. Lists IGSO-480 Series
- [STC SE44WE](https://openairdocs.org/stc/SE44WE): Use of Kling Aviation Oil, Specifications KL-100, KL-200 and KL-300 in Continental and Lycoming engines. Kling Oil Company. Lists IGSO-480 Series

## PMA parts (OpenAirDocs) (153, 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.

- [OC](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID178549155320250923184433.0001): Oil Cooler Preheat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Sep 12, 2025
- [SL6](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID151538433320250923185921.0001): Engine Preheat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Aug 4, 2025
- [TXPL6](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID146504457020250923185923.0001): Engine Preheat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Aug 4, 2025
- [HSS](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID104096221220250923185925.0001): Engine Preheat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Aug 4, 2025
- [ES10-35936-7](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID191691087420251216184428.0001): Screw. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental 10-35936-7 · Dec 8, 2023
- [TA2927-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID196557185220231109131559.0001): Engine Preheat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Oct 31, 2023
- [TA2927-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID168120339420231109131600.0001): Engine Preheat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Oct 31, 2023
- [SL-STD-160](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID889354517620210823174227.0001): Gasket. Superior Air Parts Inc · PMA PQ0060SW · Replaces STD-160 · May 10, 2021
- [SL-STD-351](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID787234279720210823174230.0001): Gasket. Superior Air Parts Inc · PMA PQ0060SW · Replaces STD-351 · May 10, 2021
- [SL-STD-1821](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID502815267620210823174229.0001): Hose. Superior Air Parts Inc · PMA PQ0060SW · Replaces STD-1821 · May 10, 2021
- [SL-STD-111](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID246865756120210823174133.0001): Gasket. Superior Air Parts Inc · PMA PQ0060SW · Replaces STD-111 · May 10, 2021
- [SL-STD-1925](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID623876214320210823173811.0001): Screw. Superior Air Parts Inc · PMA PQ0060SW · Replaces STD-1925 · May 5, 2021
- [SL31-12 P003](https://drs.faa.gov/browse/excelExternalWindow/FA8A291172A4F94D862585A7003AF039.0001): Stud. Superior Air Parts Inc · PMA PQ0060SW · Replaces 31-12-P03 · Jul 13, 2020
- [SL31-12 P012](https://drs.faa.gov/browse/excelExternalWindow/B745088B19034F5F862585A7003AF126.0001): Stud. Superior Air Parts Inc · PMA PQ0060SW · Replaces 31-12-P12 · Jul 13, 2020
- [SL31-12 P007](https://drs.faa.gov/browse/excelExternalWindow/ADA47E7651376E40862585A7003AF0B9.0001): Stud. Superior Air Parts Inc · PMA PQ0060SW · Replaces 31-12-P07 · Jul 13, 2020
- [AEL72877](https://drs.faa.gov/browse/excelExternalWindow/EE7244D4CBC72BBF8625859300330CAA.0001): Tappet Body. Continental Aerospace Technologies Inc · PMA PQ1269CE-D · Replaces 72877 69529 · Jan 6, 2020
- [AEL10208 (and oversizes up to .010)](https://drs.faa.gov/browse/excelExternalWindow/D9BA8A2237C192E7862585930032B382.0001): Piston, 7.30 1 Comp. Ratio. Continental Aerospace Technologies Inc · PMA PQ1269CE-D · Replaces 69236, 71533, 71545, 71940, 72578… · Jan 6, 2020
- [AEL31C12 (and oversizes up to .007)](https://drs.faa.gov/browse/excelExternalWindow/2EC75B16C0CADF73862585930032D790.0001): Stud. Continental Aerospace Technologies Inc · PMA PQ1269CE-D · Replaces 31C12 · Jan 6, 2020
- [AEL12681](https://drs.faa.gov/browse/excelExternalWindow/149C44A6FDC66D97862585930032BBEC.0001): Gasket, Magneto. Continental Aerospace Technologies Inc · PMA PQ1269CE-D · Replaces LW-12681, 78292, 73820 · Jan 6, 2020
- [SIM6L](https://drs.faa.gov/browse/excelExternalWindow/3F79E76CEE9F88908625847400614D4E.0001): 6 Cylinder Lycoming Ignition. IStart Partners Ltd · PMA PQ03861SW · Modification part · Feb 6, 2019
- [RHB37E[F]](https://drs.faa.gov/browse/excelExternalWindow/51CE04689F0CF89386258227005A1929.0001): Spark Plug Assembly. Champion Aerospace LLC · PMA PQ1287CE · Replaces Lycoming Engines 1182-H7 Champion… · Nov 6, 2017
- [AEL10208 (and oversizes up to .010)](https://drs.faa.gov/browse/excelExternalWindow/DF4472D0913032D9862580EA005D86F6.0001): Piston, 7.30 1 Comp. Ratio. Continental Motors Inc · PMA PQ1269CE · Replaces 69236, 71533, 71545, 71940, 72578… · Jan 8, 2017
- [AEL31C12 (and oversizes up to .007)](https://drs.faa.gov/browse/excelExternalWindow/BDFF80E87C632D89862580EA005D87E6.0001): Stud. Continental Motors Inc · PMA PQ1269CE · Replaces 31C12 · Jan 8, 2017
- [AEL12681](https://drs.faa.gov/browse/excelExternalWindow/B9D7BB6088DCD9F5862580EA005D872E.0001): Gasket, Magneto. Continental Motors Inc · PMA PQ1269CE · Replaces LW-12681, 78292, 73820 · Jan 8, 2017
- [AEL72877](https://drs.faa.gov/browse/excelExternalWindow/58C5CA56509E6A51862580EA005D8935.0001): Tappet Body. Continental Motors Inc · PMA PQ1269CE · Replaces 72877 69529 · Jan 8, 2017
- [2524367](https://drs.faa.gov/browse/excelExternalWindow/A664FFBF847B50388625808F0068B4A4.0001): Servo Fuel Injector  (RS-10FB1). PRECISION AIRMOTIVE LLC · PMA PQ0111NM · Replaces LW-12208 · Nov 2, 2016
- [2524917](https://drs.faa.gov/browse/excelExternalWindow/601DC249D5A55FE58625808F0068C0B0.0001): Air Bleed Nozzle. PRECISION AIRMOTIVE LLC · PMA PQ0111NM · Replaces LW-18854 · Nov 2, 2016
- [2524014](https://drs.faa.gov/browse/excelExternalWindow/53F13E46656F37F98625808F0068A9EF.0001): Fuel Injector  (RS-10FB1). PRECISION AIRMOTIVE LLC · PMA PQ0111NM · Replaces LW-12209 · Nov 2, 2016
- [2524923](https://drs.faa.gov/browse/excelExternalWindow/449C5B891E4F43AB8625808F0068C107.0001): Air Bleed Nozzle. PRECISION AIRMOTIVE LLC · PMA PQ0111NM · Replaces LW-18853 · Nov 2, 2016
- [2524926](https://drs.faa.gov/browse/excelExternalWindow/140DCD8B7A50EEA28625808F0068C15E.0001): Air Bleed Nozzle. PRECISION AIRMOTIVE LLC · PMA PQ0111NM · Replaces LW-18855 · Nov 2, 2016
- [SL8313](https://drs.faa.gov/browse/excelExternalWindow/0A3C8D3E6244653F86257EDE0070F20B.0001): Gasket. Superior Air Parts Inc · PMA PQ0060SW · Replaces P/N 8313, P/N AN4045-1 · Oct 13, 2015
- [2524014](https://drs.faa.gov/browse/excelExternalWindow/DC9D31EAD096043686257EBC006E19C9.0001): Fuel Injector  (RS-10FB1). PRECISION AIRMOTIVE LLC · PMA PQ0111NM · Replaces LW-12209 · Jul 29, 2015
- [2524917](https://drs.faa.gov/browse/excelExternalWindow/C2F80358B83F31BF86257EBC006E2233.0001): Air Bleed Nozzle. PRECISION AIRMOTIVE LLC · PMA PQ0111NM · Replaces LW-18854 · Jul 29, 2015
- [2524926](https://drs.faa.gov/browse/excelExternalWindow/A0F81F2DB76A2F5686257EBC006E2270.0001): Air Bleed Nozzle. PRECISION AIRMOTIVE LLC · PMA PQ0111NM · Replaces LW-18855 · Jul 29, 2015
- [2524923](https://drs.faa.gov/browse/excelExternalWindow/7D6864BF2F1AB6BA86257EBC006E2252.0001): Air Bleed Nozzle. PRECISION AIRMOTIVE LLC · PMA PQ0111NM · Replaces LW-18853 · Jul 29, 2015
- [2524367](https://drs.faa.gov/browse/excelExternalWindow/7B76105BC5995FF386257EBC006E1DCD.0001): Servo Fuel Injector  (RS-10FB1). PRECISION AIRMOTIVE LLC · PMA PQ0111NM · Replaces LW-12208 · Jul 29, 2015
- [AB-382681](https://drs.faa.gov/browse/excelExternalWindow/FEA56E9486CBCCC086257E7600731FA2.0001): Capacitor. Kelly Aerospace Energy Systems LLC · PMA PQ4176CE · Replaces Continental Motors P/N 10-382681 · May 14, 2015
- [AB-382681-1](https://drs.faa.gov/browse/excelExternalWindow/89D148A3079B54D186257E7600731FBE.0001): Capacitor. Kelly Aerospace Energy Systems LLC · PMA PQ4176CE · Replaces Continental Motors P/N 10-382681-1 · May 14, 2015
- [SL31-12-P012](https://drs.faa.gov/browse/excelExternalWindow/EFD8B55B7616A46586257E150053A16B.0001): Stud. Superior Air Parts Inc · PMA PQ0060SW · Replaces P/N 31-12-P12 · Mar 23, 2015
- [SL31-12](https://drs.faa.gov/browse/excelExternalWindow/AD984FF83B1FF1D686257E150053A11F.0001): Stud. Superior Air Parts Inc · PMA PQ0060SW · Replaces P/N 31-12 · Mar 23, 2015
- [SL31-12-P003](https://drs.faa.gov/browse/excelExternalWindow/5F063057E5457E7686257E150053A143.0001): Stud. Superior Air Parts Inc · PMA PQ0060SW · Replaces P/N 31-12-P03 · Mar 23, 2015
- [SL73998A](https://drs.faa.gov/browse/excelExternalWindow/5B63A011607C021A86257E15005C5F98.0001): Piston Ring, 5.125 X .155, Assembly. Superior Air Parts Inc · PMA PQ0060SW · Replaces P/N 73998, P/N LW-13402, P/N 72454 · Mar 23, 2015
- [SL31-12-P007](https://drs.faa.gov/browse/excelExternalWindow/54E085753A8C942486257E150053A157.0001): Stud. Superior Air Parts Inc · PMA PQ0060SW · Replaces P/N 31-12-P07 · Mar 23, 2015
- [SL1028-B](https://drs.faa.gov/browse/excelExternalWindow/02545D86C4F095A786257D6D0058A355.0001): Steel Ball, Oil Pressure Relief. Superior Air Parts Inc · PMA PQ0060SW · Replaces P/N 1028-B · Oct 8, 2014
- [SL18661](https://drs.faa.gov/browse/excelExternalWindow/35AE1F2A1DCE4E0286257D6C0063541B.0001): Seal, Shroud Tube. Superior Air Parts Inc · PMA PQ0060SW · Replaces P/N LW-18661, P/N 62922, P/N 60053 · Oct 6, 2014
- [SL13521A-P10](https://drs.faa.gov/browse/excelExternalWindow/D62EBADD7C8F8E8186257D710072229E.0001): Bearing, Connecting Rod. Superior Air Parts Inc · PMA PQ0060SW · Replaces P/N LW-13521 P10 · Jul 19, 2014
- [SL13521A](https://drs.faa.gov/browse/excelExternalWindow/AE45646CD20C8B4886257D71007221F4.0001): Bearing, Connecting Rod. Superior Air Parts Inc · PMA PQ0060SW · Replaces P/N LW-13521, P/N LW-16048, P/N… · Jul 19, 2014
- [SL13521A-M10-P10](https://drs.faa.gov/browse/excelExternalWindow/973E3C82B1793D0C86257D71007224D1.0001): Bearing, Connecting Rod. Superior Air Parts Inc · PMA PQ0060SW · Replaces P/N LW-13521 M10 P10 · Jul 19, 2014
- [SL13521A-M03](https://drs.faa.gov/browse/excelExternalWindow/70D7C6A36D58F83586257D71007222FA.0001): Bearing, Connecting Rod. Superior Air Parts Inc · PMA PQ0060SW · Replaces P/N LW-13521 M03 · Jul 19, 2014
- [SL13521A M06-P10](https://drs.faa.gov/browse/excelExternalWindow/69C3511BD719BD1C86257D7100722411.0001): Bearing, Connecting Rod. Superior Air Parts Inc · PMA PQ0060SW · Replaces P/N LW-13521 M06 P10 · Jul 19, 2014

All of them: https://openairdocs.org/engine/lycoming-igso-480-a1g6/pma.md

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