# Continental IOF-550-C

- Type: Engine model (FAA registry)
- Registry code: 17219
- Manufacturer (registry): CONT MOTOR
- Model: IOF-550-C
- Engine type: Reciprocating
- Power: 300 hp
- Data sheet: [TCDS E3SO](https://openairdocs.org/tcds/E3SO) (OpenAirDocs)
- Holder: Continental Aerospace Technologies, Inc.
- Installed in: 0 registered aircraft
- Page: https://openairdocs.org/engine/continental-iof-550-c

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 2023-02-12](https://openairdocs.org/ad/2023-02-12): Engine Air Intake System · Continental Aerospace Technologies GTSIO-520-C, GTSIO-520-D, GTSIO-520-E and 127 more. Effective Feb 17, 2023
- [AD 2016-16-12](https://openairdocs.org/ad/2016-16-12): Cylinder assemblies · Continental Motors LTSIO-520-AE, TSIO-520-A, TSIO-520-AE and 89 more. Effective Sep 15, 2016
- [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 2010-11-04](https://openairdocs.org/ad/2010-11-04): Hydraulic lifters · Continental Motors FSO-470-A, GIO-470-A, GTSIO-520-C and 190 more. Effective Jun 16, 2010
- [AD 2009-19-07](https://openairdocs.org/ad/2009-19-07): EQ3 cylinders · Continental Motors IO-470-C, IO-470-D, IO-470-E and 72 more. Effective Oct 7, 2009
- [AD 2004-08-10](https://openairdocs.org/ad/2004-08-10): Serial-numbered (SN) cylinders · Modify Teledyne Continental TSIO-520-NB engine (RAM Aircraft Limited Partnership STC SE09104SC or 4 others). Effective May 5, 2004

Historical (superseded or no longer in force):

- [AD 2009-24-52](https://openairdocs.org/ad/2009-24-52) (historical): Hydraulic lifters · Continental Motors FSO-470-A, GIO-470-A, GTSIO-520-C and 192 more

## Information bulletins (advisory) (7)

- [SAIB NE-20-05](https://openairdocs.org/saib/NE-20-05): POWERPLANT - Engine Camshaft Gear Tooth Fracture. Issued Apr 6, 2020
- [SAIB NE-18-16](https://openairdocs.org/saib/NE-18-16): POWERPLANT  Alternator Drive Coupling. Issued Jun 20, 2018
- [SAIB NE-16-13](https://openairdocs.org/saib/NE-16-13): Powerplant - Prohibited use of sealant. Issued Mar 8, 2016
- [SAIB NE-13-04](https://openairdocs.org/saib/NE-13-04): Continental Motors, Inc. (CMI) Connecting Rod Piston Pin Bushing Inspection. Issued Oct 31, 2012
- [SAIB NE-10-09](https://openairdocs.org/saib/NE-10-09): Reciprocating Engine Power Section: Hydraulic Valve Lifters. Issued Nov 20, 2009
- [SAIB NE-09-08](https://openairdocs.org/saib/NE-09-08): Reciprocating Engine Cylinder Section. Issued Jan 30, 2009
- [SAIB NE-07-09R1](https://openairdocs.org/saib/NE-07-09R1): Periodic Inspections of ECi Cylinder Assemblies for Cracks in the Aluminum Head. Issued Mar 21, 2007

## 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) (5)

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 SE03309CH](https://openairdocs.org/stc/SE03309CH): Installation of Engine Preheat Kit, p/n TSP6CYL-2927-115 for 115 volt application. Hartzell Propeller Inc
- [STC SE04577CH](https://openairdocs.org/stc/SE04577CH): Install an electronic engine ignition system. Electroair Acquisition Corp
- [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 SE5743NM](https://openairdocs.org/stc/SE5743NM): Intallation of adapter for externally mounted oil filter. Aviation Development Corporation

## PMA parts (OpenAirDocs) (207, 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.

- [ES649954](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID185377691220240301172643.0001): Gasket. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 534750, 649954, M3411, SA534750 · Dec 1, 2023
- [TA2927-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID143910433620231109131600.0001): Engine Preheat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Oct 31, 2023
- [TA2927-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID107190435020231109131559.0001): Engine Preheat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Oct 31, 2023
- [ES649954](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID189156851920230502200157.0001): Gasket. Kelly Aerospace Energy Systems LLC · PMA PQ4176CE · Replaces 534750, 649954, M3411, SA534750 · Feb 9, 2023
- [ES-4024LP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID163812689420220916174124.0001): Alternator Assembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental654200 · Aug 3, 2022
- [ES-4024LP-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID126994480920220916174125.0001): Alternator Assembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces CMI656955 · Aug 3, 2022
- [ES-4024LP-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID117484054820220916174126.0001): Alternator Assembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental658257 · Aug 3, 2022
- [ES-10024](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID191454754820220916095404.0001): Alternator Assembly 24V 100A. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental 656802 · May 3, 2022
- [ES-7024-14](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID138005646620220916095406.0001): Alternator Assembly, 24V 70A. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental 657199 · May 3, 2022
- [MDL-2012ES-AC](https://drs.faa.gov/browse/excelExternalWindow/EB40517EE0F11578862585DE00509BC7.0001): Kit Brush Assembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces MDL-2012ES, as used in starter motors… · Sep 1, 2020
- [ES646376-AC](https://drs.faa.gov/browse/excelExternalWindow/D5E4835101AAD035862585DE0050951E.0001): Field Coil. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces ES646376 · Sep 1, 2020
- [ML-18A-AC](https://drs.faa.gov/browse/excelExternalWindow/B78F4E07A96B1B71862585DE00509151.0001): Bushing, Drive End Bearing. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces ML-18A, as used in starter motors… · Sep 1, 2020
- [MDL-1005FS-AC](https://drs.faa.gov/browse/excelExternalWindow/B1607E03348298F6862585DE0050980C.0001): Field Coil. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces MDL-1005FS, as used in starter motors… · Sep 1, 2020
- [MDL-1064E-AC](https://drs.faa.gov/browse/excelExternalWindow/A72117EE9EBF4222862585DE0050989A.0001): Brush Plate Assembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces MDL-1064E, as used in starter motors… · Sep 1, 2020
- [MHD-2012S-AC](https://drs.faa.gov/browse/excelExternalWindow/A0C2775CB7206727862585DE00509A38.0001): Kit Brush Assembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces MHD-2012S, as used in starter motors… · Sep 1, 2020
- [25102AC](https://drs.faa.gov/browse/excelExternalWindow/7E95544A0484F781862585DE00507F27.0001): Oil Seal. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 25102 · Sep 1, 2020
- [EBB-142A-AC](https://drs.faa.gov/browse/excelExternalWindow/761439A5363F7DE1862585DE00509426.0001): Bendix Drive. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces EBB-142A, as used in starter motors… · Sep 1, 2020
- [90-726-AC](https://drs.faa.gov/browse/excelExternalWindow/637ACF4B13202DB6862585DE00509C42.0001): Kit, Thru Stud Package. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 90-726, as used in starter motors MCL… · Sep 1, 2020
- [MFX-1064S-AC](https://drs.faa.gov/browse/excelExternalWindow/585F433DE9B71E03862585DE00509990.0001): Brush Plate Assembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces MFX-1064S, as used in starter motors… · Sep 1, 2020
- [MDL-1064ES-AC](https://drs.faa.gov/browse/excelExternalWindow/555B56F2694577AE862585DE00509901.0001): Brush Plate Assembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces MDL-1064-ES, as used in starter motors… · Sep 1, 2020
- [ES646351-AC](https://drs.faa.gov/browse/excelExternalWindow/4C730DBF9CEBDC74862585DE005094A1.0001): Field Coil. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces ES646351 · Sep 1, 2020
- [MDC-0034-AC](https://drs.faa.gov/browse/excelExternalWindow/1C857AA65D7BE08E862585DE00509216.0001): C.E. Bushing. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces MDC-0034, as used in starter motors… · Sep 1, 2020
- [ML-18AAC](https://drs.faa.gov/browse/excelExternalWindow/EEB376FA2DA09FC6862585BB00361329.0001): Bushing- Drive End Bearing. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces ML-18A as used in Kelly Aerospace/… · Aug 3, 2020
- [MDC-0034AC](https://drs.faa.gov/browse/excelExternalWindow/EC083E96B13EA9F9862585BB0036137C.0001): C.E. Bushing. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces MDC-0034 as used in Kelly Aerospace/… · Aug 3, 2020
- [MDL-1064EAC](https://drs.faa.gov/browse/excelExternalWindow/D910C2D8D8F65064862585BB0036162D.0001): Brush Plate Assembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces MDL-1064E As used in Kelly Aerospace /… · Aug 3, 2020
- [MCL-1005PS-1AC](https://drs.faa.gov/browse/excelExternalWindow/D215BF15E931CC71862585BB003614DA.0001): Field Coil. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces MCL-1005PS-1 As used in Kelly… · Aug 3, 2020
- [MFX-1064SAC](https://drs.faa.gov/browse/excelExternalWindow/BC5BA1711014BB1D862585BB0036168B.0001): Brush Plate Assembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces MFX-1064S as used in Kelly Aerospace /… · Aug 3, 2020
- [ES646351AC](https://drs.faa.gov/browse/excelExternalWindow/B8A6D478822B6BD6862585BB00361473.0001): Field Coil. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Hartzell Engine Technologies ES646351 · Aug 3, 2020
- [90-726AC](https://drs.faa.gov/browse/excelExternalWindow/969CE475239C0F75862585BB003617AF.0001): Kit - Thru Stud Package. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 90-726 as used in Kelly Aerospace /… · Aug 3, 2020
- [MDL-1005FSAC](https://drs.faa.gov/browse/excelExternalWindow/7944A0F38F80C315862585BB00361538.0001): Field Coil. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces MDL-1005FS-1 As used in Kelly… · Aug 3, 2020
- [MHD-2012SAC](https://drs.faa.gov/browse/excelExternalWindow/760E16157001755F862585BB003616B8.0001): Kit Brush Assembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces MHD-2012S as used in Kelly Aerospace /… · Aug 3, 2020
- [MDL-1064ESAC](https://drs.faa.gov/browse/excelExternalWindow/734C818283B3CC56862585BB00361659.0001): Brush Plate Assembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces MDL-1064-ES As used in Kelly Aerospace… · Aug 3, 2020
- [ES646376AC](https://drs.faa.gov/browse/excelExternalWindow/3030F64FDA8C3579862585BB003614A7.0001): Field Coil. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Hartzell Engine Technologies ES646376 · Aug 3, 2020
- [MDL-2012ESAC](https://drs.faa.gov/browse/excelExternalWindow/2C0D2C1A07809D75862585BB0036177A.0001): Kit Brush Assembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces MDL-2012ES as used in Kelly Aerospace… · Aug 3, 2020
- [25102AC](https://drs.faa.gov/browse/excelExternalWindow/9D200F66281A08548625859D00486186.0001): Oil Seal. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental Motors P/N 25102 · Jun 26, 2020
- [PL13484](https://drs.faa.gov/browse/excelExternalWindow/E91DC0C4245F3470862585960035E0EF.0001): Starter Motor 24 Volt. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 655566, 646275, 646275-1, ES646275… · Apr 9, 2020
- [PL13459](https://drs.faa.gov/browse/excelExternalWindow/CD784F87508E4603862585960035E0AF.0001): Starter Motor 12 Volt. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 655565, 646238, 646238-2, ES646238… · Apr 9, 2020
- [50772-2](https://drs.faa.gov/browse/excelExternalWindow/234F8296BE9559DF86258565004E8EB1.0001): Kit, Starter Adapter Permold Engines. Hartzell Engine Technologies LLC · PMA PQ1383CE · Modification part · Sep 10, 2019
- [2108-12.14](https://drs.faa.gov/browse/excelExternalWindow/C95A058D8046780786258567004F3F24.0001): Bolt, Thru, .38-24 x 12.14. Ram Aircraft Limited Partnership · PMA PQ0399SW · Replaces 630693-12.14 · Aug 27, 2019
- [2917-6.74](https://drs.faa.gov/browse/excelExternalWindow/82204EBE0BAD420D86258567004F3FF4.0001): Bolt, Thru .4735-20 x 6.74. Ram Aircraft Limited Partnership · PMA PQ0399SW · Replaces 652887-6.74 · Aug 27, 2019
- [2918-6.96](https://drs.faa.gov/browse/excelExternalWindow/5D5795AFE14D62B586258567004F41DC.0001): Bolt, Thru, 7/16-20 x 6.96. Ram Aircraft Limited Partnership · PMA PQ0399SW · Replaces 538944-6.96 · Aug 27, 2019
- [2918-6.74](https://drs.faa.gov/browse/excelExternalWindow/58B529DB8FE6834D86258567004F419C.0001): Bolt, Thru, 7/16-20 x 6.74. Ram Aircraft Limited Partnership · PMA PQ0399SW · Replaces 538944-6.74 · Aug 27, 2019
- [2208-1.31](https://drs.faa.gov/browse/excelExternalWindow/F8D8C477618E02E58625854D0047539E.0001): Stud, 3/8-16 x 3/8-24, 1-5/16 Long. Ram Aircraft Limited Partnership · PMA PQ0399SW · Replaces 402153 · May 7, 2019
- [2208-2.44](https://drs.faa.gov/browse/excelExternalWindow/DB1E92CFDD8632A08625854D00475541.0001): Stud, 3/8 x 2-7/16 Long. Ram Aircraft Limited Partnership · PMA PQ0399SW · Replaces 401944 · May 7, 2019
- [2208-2.09](https://drs.faa.gov/browse/excelExternalWindow/92883C312D114D0F8625847400612778.0001): Stud, 3/8-16 x 3/8-24, 2-3/32 Long. Ram Aircraft Limited Partnership · PMA PQ0399SW · Replaces 401977 20994 · May 7, 2019
- [2208-2.44](https://drs.faa.gov/browse/excelExternalWindow/8470C10A88E639AE862584740061278A.0001): Stud, 3/8 x 2-7/16 Long. Ram Aircraft Limited Partnership · PMA PQ0399SW · Replaces 401944 · May 7, 2019
- [2208-2.09](https://drs.faa.gov/browse/excelExternalWindow/6626B94B25DCA3F08625854D00475514.0001): Stud, 3/8-16 x 3/8-24, 2-3/32 Long. Ram Aircraft Limited Partnership · PMA PQ0399SW · Replaces 401977, 20994 · May 7, 2019
- [2208-2.56](https://drs.faa.gov/browse/excelExternalWindow/4CB00BF578E6876186258474006127B9.0001): Stud, 3/8-16 x 3/8-24, 2-9/16 Long. Ram Aircraft Limited Partnership · PMA PQ0399SW · Replaces 401842 · May 7, 2019
- [2208-1.31](https://drs.faa.gov/browse/excelExternalWindow/487A45B6FD3B507D86258474006126A8.0001): Stud, 3/8-16 x 3/8-24, 1-5/16 Long. Ram Aircraft Limited Partnership · PMA PQ0399SW · Replaces 402153 · May 7, 2019
- [2208-2.56](https://drs.faa.gov/browse/excelExternalWindow/1AE0CE84638CBE538625854D00475576.0001): Stud, 3/8-16 x 3/8-24, 2-9/16 Long. Ram Aircraft Limited Partnership · PMA PQ0399SW · Replaces 401842 · May 7, 2019

All of them: https://openairdocs.org/engine/continental-iof-550-c/pma.md

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