# Continental L/IO-520-P

- Type: Engine model (FAA registry)
- Registry code: 17243
- Manufacturer (registry): CONT MOTOR
- Model: L/IO-520-P
- Engine type: Reciprocating
- Power: 250 hp
- Data sheet: [TCDS E5CE](https://openairdocs.org/tcds/E5CE) (OpenAirDocs)
- Holder: Continental Aerospace Technologies, Inc.
- Installed in: 0 registered aircraft
- Page: https://openairdocs.org/engine/continental-l-io-520-p

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 2023-17-04](https://openairdocs.org/ad/2023-17-04): Reciprocating Engine Oil System · F & M Enterprises' Model C6LC, C6LC-S or C6LC-L oil filter… (Stratus Tool Technologies STC SE09356SC or 2 others). Effective Oct 26, 2023
- [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 97-26-17](https://openairdocs.org/ad/97-26-17): Crankshaft · Continental Motors IO-360-A, IO-360-AB, IO-360-B and 90 more. Effective Jan 23, 1998

Historical (superseded or no longer in force):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
- [AD 2009-24-51](https://openairdocs.org/ad/2009-24-51) (historical): Hydraulic lifters · Teledyne Continental Motors FSO-470-A, GIO-470-A, GTSIO-520-C and 156 more

## Information bulletins (advisory) (6)

- [SAIB NE-20-05](https://openairdocs.org/saib/NE-20-05): POWERPLANT - Engine Camshaft Gear Tooth Fracture. Issued Apr 6, 2020
- [SAIB NE-16-13](https://openairdocs.org/saib/NE-16-13): Powerplant - Prohibited use of sealant. Issued Mar 8, 2016
- [SAIB NE-13-15](https://openairdocs.org/saib/NE-13-15): Engine Controls: Continental Motors, Inc. (CMI) Throttle and Mixture Control Levers. Issued Feb 8, 2013
- [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

## 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 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
- [STC SE09559SC](https://openairdocs.org/stc/SE09559SC): Installation of US Airparts roller rocker arm assemblies P/N US92E exhaust and US92I intake. US Airparts, Inc

## PMA parts (OpenAirDocs) (265, 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
- [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
- [MCL-1005PS-1-AC](https://drs.faa.gov/browse/excelExternalWindow/D17B06E0367F221F862585DE0050958D.0001): Field Coil. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces MCL-1005PS-1, as used in starter… · 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
- [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
- [MZ-298-AC](https://drs.faa.gov/browse/excelExternalWindow/2A540E76DB1ACBFE862585DE005090BF.0001): Bushing, Drive End Bearing. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces MZ-298, as used in starter motors MHB… · 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
- [SA630826 M010](https://drs.faa.gov/browse/excelExternalWindow/C51B8E4D208D3CEC8625859F00384444.0001): Bearing. Superior Air Parts Inc · PMA PQ0060SW · Replaces 630826M010 · Jul 5, 2020
- [SA630826 M005](https://drs.faa.gov/browse/excelExternalWindow/5DE5DB8AA9A175698625859F003843FF.0001): Bearing. Superior Air Parts Inc · PMA PQ0060SW · Replaces 630826M005 · Jul 5, 2020
- [SA539800 M015](https://drs.faa.gov/browse/excelExternalWindow/1B2339CD887CCCA28625859F003C4C88.0001): Spring, Clutch. Superior Air Parts Inc · PMA PQ0060SW · Replaces 539800M015 · Jun 30, 2020
- [CF643853](https://drs.faa.gov/browse/excelExternalWindow/E8882D6735E0443886258596003BF848.0001): Liner Locator Pin. PRECISION AIRMOTIVE LLC · PMA PQ0111NM · Replaces 643853 · Mar 14, 2020
- [AEC648005PL (and oversize .005, .010, .015 appending the letter P, followed by the 3 digit oversize measurement to the part number)](https://drs.faa.gov/browse/excelExternalWindow/D5425D63CD945012862585930032A92B.0001): Piston Ring, Compression, 5.25 x .109. Continental Aerospace Technologies Inc · PMA PQ1269CE-D · Replaces 648005 · Jan 6, 2020
- [252509CC (and oversize .005, .010, .015, appending the letter P, followed by the 3 digit oversize measurement to the part number)](https://drs.faa.gov/browse/excelExternalWindow/8B8914ACDD0FBD278625859300326809.0001): Ring, Compression. Continental Aerospace Technologies Inc · PMA PQ1269CE-D · Replaces 640230 640231 636929 639563 648006CP… · Jan 6, 2020
- [252509 (and oversize .005, .010, .015, appending the letter P, followed by the 3 digit oversize measurement to the part number)](https://drs.faa.gov/browse/excelExternalWindow/4ADB18163CEF7C0986258593003267D4.0001): Ring, Compression. Continental Aerospace Technologies Inc · PMA PQ1269CE-D · Replaces 640230 640231 636929 639563 648006CP… · Jan 6, 2020
- [2107-10.52](https://drs.faa.gov/browse/excelExternalWindow/F0617EF61D4E94F486258567004F3DB5.0001): Bolt, Thru 1/2-20 x 10.52. Ram Aircraft Limited Partnership · PMA PQ0399SW · Replaces 641931-10.52, 641930-10.52 · Aug 27, 2019
- [2107-9.81](https://drs.faa.gov/browse/excelExternalWindow/C32FB7ED8C6D263086258567004F3D7B.0001): Bolt, Thru, .50-20 x 9.81. Ram Aircraft Limited Partnership · PMA PQ0399SW · Replaces 641931-9.81, 641930-9.81 · Aug 27, 2019
- [2106-10.50](https://drs.faa.gov/browse/excelExternalWindow/53AF7034CC640B6386258567004F3C54.0001): Bolt, Thru, 7/16-20 x 6-3/16. Ram Aircraft Limited Partnership · PMA PQ0399SW · Replaces 630943-10.50 538944-10.50 · Aug 27, 2019
- [2917-8.88](https://drs.faa.gov/browse/excelExternalWindow/2FA822AD640AD42E86258567004F40BD.0001): Bolt, Thru .4375-20 x8.88. Ram Aircraft Limited Partnership · PMA PQ0399SW · Replaces 652887-8.88 · Aug 27, 2019
- [CF646177](https://drs.faa.gov/browse/excelExternalWindow/5D1497F690D0CE0D8625856900566704.0001): Thrust Plate. PRECISION AIRMOTIVE LLC · PMA PQ0111NM · Replaces 646177 · May 28, 2019
- [CF646180](https://drs.faa.gov/browse/excelExternalWindow/1508574D8BAC67448625856900566781.0001): End Plate. PRECISION AIRMOTIVE LLC · PMA PQ0111NM · Replaces 646180 · May 28, 2019
- [2209-1.31](https://drs.faa.gov/browse/excelExternalWindow/F98E95A3AA5DC1D68625854D0047577F.0001): Stud, 5/16-18 x 5/16-24, 1-5/16 Long. Ram Aircraft Limited Partnership · PMA PQ0399SW · Replaces 401885, 7403067 · May 7, 2019
- [2259-1](https://drs.faa.gov/browse/excelExternalWindow/F4776CA1F4A7FB038625847400612534.0001): Plug, Machine Thread, 5/8-18. Ram Aircraft Limited Partnership · PMA PQ0399SW · Replaces 532432 · May 7, 2019
- [2210-1.72](https://drs.faa.gov/browse/excelExternalWindow/EE5AEF2E3ADAE5848625854D00475B9D.0001): Stud, 7/16-14 x 7/16-20, 1.72 Long. Ram Aircraft Limited Partnership · PMA PQ0399SW · Replaces 646140-2 · May 7, 2019
- [2209-1.31](https://drs.faa.gov/browse/excelExternalWindow/E92C9D38FF45371C8625847400612903.0001): Stud, 5/16-18 x 5/16-24, 1-5/16 Long. Ram Aircraft Limited Partnership · PMA PQ0399SW · Replaces 401885 7403067 · May 7, 2019
- [2950-3](https://drs.faa.gov/browse/excelExternalWindow/D4101B9FD5E6AE59862584F2006B91D4.0001): Oil Pressure Plunger. Ram Aircraft Limited Partnership · PMA PQ0399SW · Replaces 642336 · May 7, 2019
- [2950-6](https://drs.faa.gov/browse/excelExternalWindow/D4021CDBCEE7C243862584F2006B905C.0001): Spring, Oil Pressure Relief Valve. Ram Aircraft Limited Partnership · PMA PQ0399SW · Replaces 634150 · May 7, 2019
- [2201-1.41](https://drs.faa.gov/browse/excelExternalWindow/CF545A8DB31F9969862584F2006B7F56.0001): Stud, 1/4-20 x 1/4-28, 1-13/32 Long. Ram Aircraft Limited Partnership · PMA PQ0399SW · Replaces 401852 25008 532498 · May 7, 2019
- [2201-4.10](https://drs.faa.gov/browse/excelExternalWindow/B468C0616F5B7A918625854D004752CD.0001): Stud, 1/4-20 x 1/4-28, 4-3/32 Long. Ram Aircraft Limited Partnership · PMA PQ0399SW · Replaces 402159 · May 7, 2019

All of them: https://openairdocs.org/engine/continental-l-io-520-p/pma.md

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