# Continental IO-470-K - Type: Engine model (FAA registry) - Registry code: 17360 - Manufacturer (registry): CONT MOTOR - Model: IO-470-K - Engine type: Reciprocating - Power: 225 hp - Data sheet: [TCDS 3E1](https://openairdocs.org/tcds/3E1) (OpenAirDocs) - Holder: Continental Aerospace Technologies, Inc. - Installed in: 5 registered aircraft - Page: https://openairdocs.org/engine/continental-io-470-k 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 2023-05-16](https://openairdocs.org/ad/2023-05-16): Reciprocating Engine Power Section · Continental Aerospace Technologies GTSIO-520-C, GTSIO-520-D, GTSIO-520-H and 147 more. Effective Mar 15, 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 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 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 2010-07-08](https://openairdocs.org/ad/2010-07-08): Turbochargers · Kelly Aerospace Energy Systems HIO-360-E1AD, HIO-360-E1BD, HIO-360-F1AD and 137 more. Effective Apr 19, 2010 - [AD 2000-23-21](https://openairdocs.org/ad/2000-23-21): Crankshaft · Continental Motors IO-360-A, IO-360-AB, IO-360-B and 164 more. Effective Dec 12, 2000 - [AD 99-19-01](https://openairdocs.org/ad/99-19-01): No. 2 and No. 5 Crankshaft Inspections · Continental Motors GTSIO-520-C, GTSIO-520-D, GTSIO-520-E and 127 more. Effective Sep 30, 1999 - [AD 97-21-02](https://openairdocs.org/ad/97-21-02): Cylinders · Continental Motors E165-2, E165-3, E165-4 and 61 more. Effective Oct 27, 1997 - [AD 96-12-22](https://openairdocs.org/ad/96-12-22): Full Flow Engine Oil Adapter · Bellanca CH-300 Pacemaker, 120, 140 and 361 more. Effective Jul 31, 1996 - [AD 93-08-17](https://openairdocs.org/ad/93-08-17): Oil Pick-Up Tube · Continental Motors IO-470-A, IO-470-C, IO-470-D and 104 more. Effective Aug 23, 1993 - [AD 93-10-02](https://openairdocs.org/ad/93-10-02): Missing Cylinder Valve Retainer Key · Continental Motors GTSIO-520-C, GTSIO-520-D, GTSIO-520-E and 180 more. Effective Aug 12, 1993 - [AD 91-19-03](https://openairdocs.org/ad/91-19-03): Oil Filter · Continental Motors 6-285-A, 6-285-B, 6-285-BA and 169 more. Effective Sep 29, 1991 - [AD 88-03-06](https://openairdocs.org/ad/88-03-06): Oil Filter · Continental Motors GTSIO-520-C, GTSIO-520-D, GTSIO-520-E and 155 more. Effective Apr 15, 1988 - [AD 81-16-05](https://openairdocs.org/ad/81-16-05): Magnetos · Lycoming Engines AEIO-320-E1B, AEIO-320-E2B, AEIO-360-B1G6 and 234 more. Effective Aug 6, 1981 - [AD 80-06-05](https://openairdocs.org/ad/80-06-05): Magnetos · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 254 more. Effective Mar 28, 1980 - [AD 79-05-09](https://openairdocs.org/ad/79-05-09): Oil Pump Assembly Or Oil Pressure Relief Valve Screw And/Or Plunger · Teledyne Continental Motors 6-285-CA, GTSIO-520-C, GTSIO-520-D and 60 more. Effective Mar 12, 1979 - [AD 70-14-07](https://openairdocs.org/ad/70-14-07): Fuel Injection Pump · Continental Motors IO-360-A, IO-360-C, IO-360-D and 25 more. Effective Nov 22, 1974 - [AD 67-01-04](https://openairdocs.org/ad/67-01-04): Oil Filters · Full flow oil filter (Superior Flow STC SA401SW or 2 others). Effective Jan 2, 1967 Historical (superseded or no longer in force): - [AD 2023-04-08](https://openairdocs.org/ad/2023-04-08) (historical): Reciprocating Engine Power Section · Continental Aerospace Technologies GTSIO-520-C, GTSIO-520-D, GTSIO-520-H and 141 more. Effective Feb 23, 2023 - [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 - [AD 2000-08-51](https://openairdocs.org/ad/2000-08-51) (historical): Crankshaft · Teledyne Continental Motors IO-360-A, IO-360-AB, IO-360-B and 158 more - [AD 99-09-17](https://openairdocs.org/ad/99-09-17) (historical): Crankshaft · Teledyne Continental Motors IO-470-A, IO-470-C, IO-470-D and 114 more - [AD 97-15-01](https://openairdocs.org/ad/97-15-01) (historical): Pistons · Teledyne Continental Motors E165-2, E165-3, E165-4 and 61 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 (5) - [N526H](https://openairdocs.org/aircraft/N526H): [Hausch LLC](https://openairdocs.org/faa-owner/HAUSCH%20LLC), [Milwaukee, WI](https://openairdocs.org/faa-place/WI/Milwaukee), built 1963, S/N CD-636 - [N6664C](https://openairdocs.org/aircraft/N6664C): [Valiair Limited Company Trustee](https://openairdocs.org/faa-owner/VALIAIR%20LIMITED%20COMPANY%20TRUSTEE), [Casper, WY](https://openairdocs.org/faa-place/WY/Casper), built 1965, S/N CD-890 - [N67LT](https://openairdocs.org/aircraft/N67LT): [Sky West Aviation Inc Trustee](https://openairdocs.org/faa-owner/SKY%20WEST%20AVIATION%20INC%20TRUSTEE), [Albuquerque, NM](https://openairdocs.org/faa-place/NM/Albuquerque), built 1965, S/N CD-913 - [N68SS](https://openairdocs.org/aircraft/N68SS): [Tcb Aviation Inc](https://openairdocs.org/faa-owner/TCB%20AVIATION%20INC), [Knoxville, TN](https://openairdocs.org/faa-place/TN/Knoxville), built 1968, S/N CD-1142 - [N882EC](https://openairdocs.org/aircraft/N882EC): [N7535z LLC](https://openairdocs.org/faa-owner/N7535Z%20LLC), [Smithfield, NC](https://openairdocs.org/faa-place/NC/Smithfield), built 1962, S/N CD-500 ## NTSB investigations (2) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB ERA11FA360](https://openairdocs.org/ntsb/ERA11FA360), Jun 26, 2011: Clabaugh Robert R Barracuda (N289DH), Andalusia, AL, substantial damage, 1 fatal. Probable cause: The pilot did not maintain airspeed while maneuvering on approach for landing, which resulted in an aerodynamic stall. Contributing to the accident was the pilot's lack of experience in the make and… - [NTSB ERA09LA371](https://openairdocs.org/ntsb/ERA09LA371), Jun 27, 2009: Layson Stanley B Steen SKY Bolt (N233VW), High Point, NC, substantial damage, 1 fatal. Probable cause: The pilot’s failure to maintain clearance from power lines during takeoff. ## FAA accident and incident reports (4) From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [Incident 20181030021269I](https://openairdocs.org/incident/20181030021269I), Oct 30, 2018: Beech 35-B33 (N526H), Mobile, AL, No damage. On 10/30/2018 the pilot of N526H landed on runway 32 in Mobile, AL (bfm). During taxi phase on taxiway A2 airacraft struck a taxi light. - [Accident 20110626012049A](https://openairdocs.org/incident/20110626012049A), Jun 26, 2011: Clabaugh Robert R BARRACUDA (N289DH), Andalusia, AL, Destroyed, 1 fatal. On June 26, 2011, at 1655 central daylight time, a Clabaugh Robert R, amateur built experimental Barracuda, N289DH, serial no. 289 collided with trees while on… - [Incident 20110506007749I](https://openairdocs.org/incident/20110506007749I), May 6, 2011: Clabaugh Robert R BARRACUDA (N289DH), Andalusia, AL, Minor damage. On may 06, 2001, at approximately 2257Z, [privacy data omitted], on final approach to 79J in N289DH, lowered the landing gear in preparation for landing. He… - [Incident 20090422009089I](https://openairdocs.org/incident/20090422009089I), Apr 22, 2009: Amtr BARRACUDA (N289DH), Melbourne, FL, Minor damage. (-23) After the poor hard landing in melborne, in a right cross wind the right retractable gear on this Barracuda experimental (N289DH) collapsed causing minor… ## Service difficulty reports (16) As reported by operators and repair stations, by the model named in the report. - [SDR 2019FA0000265](https://openairdocs.org/sdr/2019FA0000265), Aug 14, 2019: ENGINE. FAILED. LOST OIL PRESSURE INFLIGHT - ENGINE SEIZED. - [SDR V6TR2016FA0000369](https://openairdocs.org/sdr/V6TR2016FA0000369), Jul 23, 2016: CASE. CRACKED. SOLO FLIGHT FOR PRIVATE LICENSE, DEPARTED, 13 MILES OUT THOUGHT HE HAD A PROPELLER FLUCTUATE. CLIMB TO 4,000 FT IN 3 MILES GOING TO DESTINATION. CHECK EVERYTHIN - [SDR 2016FA0000036](https://openairdocs.org/sdr/2016FA0000036), Jan 11, 2016: PICKUP. FAILED. ELECTRIC MAGNETO FAILED. TROUBLESHOOT FOUND MAGNETIC PIC-UP CIRCUIT OPEN. REPLACED WITH NEW AND RUN CHECK SATISFACTORY. REMOVED PART APPEARS TO HAVE DEBONDED FR - [SDR 2010FA0000935](https://openairdocs.org/sdr/2010FA0000935), Sep 2, 2010: FITTING. MISLOCATED. FUEL INJECTION SETUP IAW SID 97-3E, BUT ELECTRONIC FUEL FLOW COMPUTER SHOWED FLOW BELOW SPEC. UNABLE TO INCREASE FLOW SUFFICIENTLY BY INCREASING PRESSURE. DISCO - [SDR 2008FA0000907](https://openairdocs.org/sdr/2008FA0000907), Dec 8, 2008: CYLINDER. CRACKED. ANNUAL INSP REVEALED A LARGE QUANITY OF VERY BLACK OIL RUNNING DOWN THE ENGINE MOUNT LEG AND AIRFRAME STRUCTURE. FURTHER INVESTIGATION FOUND THE LEAK TO ORIGINA - [SDR AUS20030676](https://openairdocs.org/sdr/AUS20030676), Mar 28, 2003: SPAR. CORRODED. (AUS) WING SPARS PN 35110061-1 (LT) AND PN 351100612 (RT) CONTAINED EXFOLIATION CORROSION IN THE UPPER AND LOWER SPAR CAPS. - [SDR AU001233](https://openairdocs.org/sdr/AU001233), Dec 29, 2000: BEARING. WORN. (AUS) NOSE LANDING GEAR BEARING WORN EXCESSIVELY. THE THICKNESS OF THEBEARING SURFACE WAS 1.143MM (0.045IN). WHEN NEW THE THICKNESS IS1.57MM (0.0625IN). TO COMP - [SDR AU000289](https://openairdocs.org/sdr/AU000289), Feb 1, 2000: FUEL TANK. CONTAMINATED. (AUS) AIRCRAFT FUEL SYSTEM CONTAMINATED WITH ETHYLENE DIAMINE (EDA). - [SDR AU990714](https://openairdocs.org/sdr/AU990714), Jul 13, 1999: SPAR. CORRODED. (AUS) LEFT AND RIGHT WING UPPER SPARS CONTAINED SEVERE INTERGRANNULAR CORROSION. ON THE LT WING A SECTION OF THE REAR HINGE HAD BEEN REMOVED WITH NO MATERIAL RE - [SDR AU990097](https://openairdocs.org/sdr/AU990097), Feb 5, 1999: VALVE. FAULTY. (AUS) NR 6 CYLINDER EXHAUST VALVE STEM BREAKING UP. STEM COULD BE MARKED EASILY INDICATING SOFT MATERIAL. VALVE STEM WAS FOUND TO BE WORN BY 0.1778 MM (0.007 IN - [SDR 98ZZZX1456](https://openairdocs.org/sdr/98ZZZX1456), Feb 27, 1998: BOLT. BROKE. THRU-BOLT BROKE AFTER 14 HOURS. ENGINE NEVER RAN BEFORE BOLT BROKE. - [SDR AU980158](https://openairdocs.org/sdr/AU980158), Feb 16, 1998: VALVE. LEAKING. (AUS) NO1 CYLINDER EXHAUST VALVE LEAKING AND VALVE GUIDE WORN (STILLWITHIN LIMITS). NO3 CYLINDER INLET VALVE LEAKING. - [SDR AU971466](https://openairdocs.org/sdr/AU971466), Nov 21, 1997: HOSE. FAULTY. (AUS) ALL FLUID HOSES IN ENGINE COMPARTMENT NOT PROTECTED BY FIRE SLEEVES. PERSONNEL/MAINTENANCE ERROR. - [SDR AU970375](https://openairdocs.org/sdr/AU970375), Apr 16, 1997: SPAR. INCORRECT REPAIR. (AUS) LH WING SPAR INCORRECTLY REPAIRED IN AREA BETWEEN STA 136.188 ANDSTA 148.875 - CORROSION HAD BEEN REMOVED FROM THE SPAR CAP TO A DEPTH OF 2.6162MM BY 50.8 - [SDR 96ZZZX1472](https://openairdocs.org/sdr/96ZZZX1472), Mar 19, 1996: LINE. CHAFED. FUEL METERED PR LINE FROM FUEL CONTROL TO DIST BLOCK CHAFED AT CYL BAFFLE BETWEEN NR 3 AND NR 5 CYLINDERS. ADDED LEATHER TO LINE TO ADD PROTECTION. SUBMITTER ST - [SDR 96ZZZX385](https://openairdocs.org/sdr/96ZZZX385), Oct 15, 1995: GUIDE. WORN. INSTALLED 6 RECONDITIONED CHROME UNITS BY DIVCO. AFTER 110 HOURS, LOST COMPRESSION IN TWO CYLINDER GUIDES WORN BEYOND LIMITS. ## STCs that may be installed (OpenAirDocs) (41) 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 SE02352CH](https://openairdocs.org/stc/SE02352CH): Installation of Challenger cleanable oil filter assembly. Challenger Aviation Products Inc - [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 SE25WE](https://openairdocs.org/stc/SE25WE): Installation of two (2) Roto-Master Turbochargers Model 3DT5FF10J2, P/N 600572-00 (formerly Rajay Model 315F10, P/N RJ0080-102). TALCO Aviation - [STC SE04577CH](https://openairdocs.org/stc/SE04577CH): Install an electronic engine ignition system. Electroair Acquisition Corp - [STC SE09356SC](https://openairdocs.org/stc/SE09356SC): Install F & M Enterprises' Model C6LC, C6LC-S or C6LC-L oil filter adapter for a spin-on oil filter. Stratus Tool Technologies LLC - [STC SE09217SC](https://openairdocs.org/stc/SE09217SC): Installation of modified fuel injector nozzles. General Aviation Modifications Inc - [STC SE00114SE](https://openairdocs.org/stc/SE00114SE): Replaces Teledyne-Continental Part Number 646277 lifter bodies. B & B Aviation LLC - [STC SE2-984](https://openairdocs.org/stc/SE2-984): Modification of Continental Piston Part No. 627738 (IO-470). Continental Motors, Inc. Lists IO-470 Series - [STC SE26WE](https://openairdocs.org/stc/SE26WE): Piston ring 250000, 250000+2W and250000+10W on Continental E Series piston 534895, O-470 piston 534895, 626992 and 537883 and IO-470 piston534895. Continental Motors, Inc. Lists IO-470 Series - [STC SE34WE](https://openairdocs.org/stc/SE34WE): Installation of Electro-Coatings, Inc., piston rings on Continental pistons. Continental Motors, Inc - [STC SE8776SW](https://openairdocs.org/stc/SE8776SW): Installation of coated cylinders and piston rings. Continental Motors, Inc - [STC SE910SW](https://openairdocs.org/stc/SE910SW): The manufacturer of pistons, valve guides, and parts. Continental Motors, Inc - [STC SE94SW](https://openairdocs.org/stc/SE94SW): Modification of Continental IO-470 Pistons P/N 627738, P/N 539814, and P/N 631481 compression ring grooves from present keystone configuration to rectangular configuration. Continental Motors, Inc. Lists IO-470 Series - [STC SE3330NM](https://openairdocs.org/stc/SE3330NM): Continental valve cover gasket. Real Gaskets Tennessee - [STC SE992SO](https://openairdocs.org/stc/SE992SO): Installation of fuel line filters into the individual fuel injector lines in accordance with Beryl D Shannon Aviation Specialties, Inc. Installation Instructions BI 2500, approved May 24, 1976, or later FAA approved revisions. D'Shannon Products Ltd - [STC SE267CH](https://openairdocs.org/stc/SE267CH): Installation of Slick Model 6309 and 6313 magnetos. Champion Aerospace LLC - [STC SE552GL](https://openairdocs.org/stc/SE552GL): Incorporation of a fuel flow transducer. Shadin Avionics - [STC SE1780NM](https://openairdocs.org/stc/SE1780NM): Installation of Precise Flight standby vacuum system (SVS III). Precise Flight Inc - [STC SE5743NM](https://openairdocs.org/stc/SE5743NM): Intallation of adapter for externally mounted oil filter. Aviation Development Corporation - [STC SE152SO](https://openairdocs.org/stc/SE152SO): Modification of throttle body location. Array Paul S. Lists IO-470 Series - [STC SE09513SC](https://openairdocs.org/stc/SE09513SC): Installation and usage of Exxon 20W50 Multigrade aircraft engine oil conforming to Exxon Oil Formulation WS-3013. Exxon Company USA. Lists IO-470 Series - [STC SE55WE](https://openairdocs.org/stc/SE55WE): Modification of fuel injection manifold valve P/N 626547 to the P/N 631427 or P/N 636326 configuration. AAR Aircraft Services Inc. d/b/a AAR Aircraft Services-Oklahoma. Lists IO-470 Series - [STC SE09319SC](https://openairdocs.org/stc/SE09319SC): Modify oil pan adding a new oil sump drain. Texas Skyways Inc. Lists IO-470 Series - [STC SE00139SE](https://openairdocs.org/stc/SE00139SE): Replaces the following Teledyne-Continental part numbers: 641682 (Rocker Arm, Exhaust), 539742 (Rocker Arm, Intake), 539740 (Rocker Arm, Shaft) and 538304 (Pushrod Assembly). Dakota Aircraft Parts Inc - [STC SE3517NM](https://openairdocs.org/stc/SE3517NM): Replacement of the original engine oil screen with an external mounted full flow oil adapter and spin-on filter. Timberman Allen E - [STC SE5205NM](https://openairdocs.org/stc/SE5205NM): Installation of an Oilamatic engine filter screen adapter. Oilamatic Inc - [STC SE775NE](https://openairdocs.org/stc/SE775NE): Installation of Auto-Vac-2 auxiliary vacuum system. Raymond Ives - [STC SE7432SW](https://openairdocs.org/stc/SE7432SW): Installation of Performance Engineering roller rocker arms. Performance Engineering - [STC SE452NE](https://openairdocs.org/stc/SE452NE): Installation and usage of 'Mobil AV 1' aviation oil. Mobil Research & Development Corp. Lists IO-470 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 IO-470 Series - [STC SE939GL](https://openairdocs.org/stc/SE939GL): Installation of oil filler tube extension. Rapco, Inc - [STC SE1642SW](https://openairdocs.org/stc/SE1642SW): Modified cylinder assembly G-626820C or G-625859. Gary Aerospace Corp. Lists IO-470 Series - [STC SE1760SW](https://openairdocs.org/stc/SE1760SW): Replacement of original cylinder barrels with P/N G-534894A. Gary Aerospace Corp - [STC SE2016CE](https://openairdocs.org/stc/SE2016CE): Add the following approved fuel: unleaded automotive gasoline, 87 minimum antiknock index and leaded automotive gasoline, 88 minimum antiknock index(RON+MON)/2. Petersen Aviation Inc - [STC SE1445SO](https://openairdocs.org/stc/SE1445SO): Use of Aero-blend oil additive in Teledyne (non turbocharged) aircraft engines. ProTec. Lists IO-470 Series - [STC SE12GL](https://openairdocs.org/stc/SE12GL): Installation of oil filler cap. Ray Whyte Electric Products Co - [STC SE16WE](https://openairdocs.org/stc/SE16WE): Bendix S-600 low tension ignition system. Salinas Engine Works. Lists IO-470 Series - [STC SE387SW](https://openairdocs.org/stc/SE387SW): Modification of ring grooves on Continental Motors pistons 539814(3 ring) and 627738 (4 ring). Van Der Horst Corp of America. Lists IO-470 Series - [STC SE73SO](https://openairdocs.org/stc/SE73SO): Continental GIO-470 engine oil sump assembly 628943 and oil pump suction tube assembly 628660. Aircraft Modification Engineering Company. Lists IO-470 Series - [STC SE82SO](https://openairdocs.org/stc/SE82SO): Engine sump reworked to provide15 1/8-quart total oil capacity. Riley Aeronautics Corp. Lists IO-470 Series --- 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.