# Lycoming O-233 series - Type: Engine model (FAA registry) - Registry code: 42410 - Manufacturer (registry): LYCOMING - Model: O-233 - Engine type: Reciprocating - Power: 115 hp - Data sheet: [TCDS E-223](https://openairdocs.org/tcds/E-223) (OpenAirDocs) - Holder: Lycoming Engines - Installed in: 6 registered aircraft - Page: https://openairdocs.org/engine/lycoming-o-233-series The registry names only the engine series, so ADs for every model in the series are matched. ## 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 2026-04-11](https://openairdocs.org/ad/2026-04-11): Engine (Reciprocating) · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 605 more. Effective Apr 8, 2026 - [AD 2012-03-07](https://openairdocs.org/ad/2012-03-07): Carburetor · Lycoming Engines GO-435, GO-435-C2 (O-435-17), GO-435-C2A and 389 more. Effective Mar 27, 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 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 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 Effective Jan 16, 1969 Historical (superseded or no longer in force): - [AD 2024-21-02](https://openairdocs.org/ad/2024-21-02) (historical): Engine (Reciprocating) · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 548 more. Effective Dec 5, 2024 ## Information bulletins (advisory) (3) - [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 - [SAIB NE-06-32R1](https://openairdocs.org/saib/NE-06-32R1): Reciprocating Engine - Crankshaft. Issued Sep 10, 2008 ## Registered aircraft (6) - [N128LC](https://openairdocs.org/aircraft/N128LC): [Huster Lori](https://openairdocs.org/faa-owner/HUSTER%20LORI), [Carnesville, GA](https://openairdocs.org/faa-place/GA/Carnesville), built 2014, S/N AL-1176 - [N14C](https://openairdocs.org/aircraft/N14C): [Wingsleasing LLC](https://openairdocs.org/faa-owner/WINGSLEASING%20LLC), [Wichita, KS](https://openairdocs.org/faa-place/KS/Wichita), built 2014, S/N AL-1186 - [N1919G](https://openairdocs.org/aircraft/N1919G): [Low And Slow Aviation LLC](https://openairdocs.org/faa-owner/LOW%20AND%20SLOW%20AVIATION%20LLC), [Williston, FL](https://openairdocs.org/faa-place/FL/Williston), built 2014, S/N AL-1189 - [N311SL](https://openairdocs.org/aircraft/N311SL): [Schmetter Kenneth E](https://openairdocs.org/faa-owner/SCHMETTER%20KENNETH%20E), [Needville, TX](https://openairdocs.org/faa-place/TX/Needville), built 2013, S/N AL-1175 - [N859JL](https://openairdocs.org/aircraft/N859JL): [Zabransky Gregory J](https://openairdocs.org/faa-owner/ZABRANSKY%20GREGORY%20J), [Mineola, TX](https://openairdocs.org/faa-place/TX/Mineola), built 2014, S/N AL-1184 - [N875W](https://openairdocs.org/aircraft/N875W): [Sayre Matthew J](https://openairdocs.org/faa-owner/SAYRE%20MATTHEW%20J), [Manitou Beach, MI](https://openairdocs.org/faa-place/MI/Manitou%20Beach), built 2013, S/N 001 ## 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 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. Lists O-233-A1 - [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. Lists O-233-A1 - [STC SE04349CH](https://openairdocs.org/stc/SE04349CH): Installation of SureFly electronic ignition. SureFly Partners Ltd. Lists O-233-A1 - [STC SE00939WI](https://openairdocs.org/stc/SE00939WI): Installation of B&C Specialty Products Model BC 315-( ) Starter on Lycoming engines. B & C Specialty Products Inc. Lists O-233-A1 - [STC SE03232CH](https://openairdocs.org/stc/SE03232CH): Installation of Engine Preheat Kit p/n TA2925-1 for 115 volt application. Hartzell Propeller Inc. Lists O-233-A1 - [STC SE5743NM](https://openairdocs.org/stc/SE5743NM): Intallation of adapter for externally mounted oil filter. Aviation Development Corporation. Lists O-233-A1 - [STC SE8023SW](https://openairdocs.org/stc/SE8023SW): Installation and usage of AEROSHELL. Shell Development Co. Lists O-233-A1 - [STC SE452NE](https://openairdocs.org/stc/SE452NE): Installation and usage of 'Mobil AV 1' aviation oil. Mobil Research & Development Corp. Lists O-233-A1 - [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 O-233-A1 - [STC SE1976SW](https://openairdocs.org/stc/SE1976SW): Manufacture of new cylinder barrels and rebarreling with original cylinder head. Gary Aerospace Corp. Lists O-233-A1 - [STC SE80NE](https://openairdocs.org/stc/SE80NE): Installation and usage of Bel-Ray synthetic aviation oil, Bel-Ray Aero 1, (nonsupercharged), horizontally opposed direct drive, aircraft engines of 350 hp. or less. Bel-Ray Company, Inc. Lists O-233-A1 - [STC SE1445SO](https://openairdocs.org/stc/SE1445SO): Use of Aero-blend oil additive in Teledyne (non turbocharged) aircraft engines. ProTec. Lists O-233-A1 - [STC SE128NE](https://openairdocs.org/stc/SE128NE): Use of AMS/OIL 15W 50 synthetic piston aircraft oil in Avco engines. AMS/OIL. Lists O-233-A1 --- 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.