# Continental IO-346-A - Type: Engine model (FAA registry) - Registry code: 17196 - Manufacturer (registry): CONT MOTOR - Model: IO-346-A - Engine type: Reciprocating - Power: 165 hp - Data sheet: [TCDS E3CE](https://openairdocs.org/tcds/E3CE) (OpenAirDocs) - Holder: Continental Aerospace Technologies, Inc. - Installed in: 0 registered aircraft - Page: https://openairdocs.org/engine/continental-io-346-a 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 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 95-03-14](https://openairdocs.org/ad/95-03-14): Engine Mount Brackets · Continental Motors IO-346-A, IO-346-B, IO-520-C and 2 more. Effective Mar 13, 1995 - [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 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 Effective Mar 12, 1979 Historical (superseded or no longer in force): - [AD 94-09-07](https://openairdocs.org/ad/94-09-07) (historical): Engine Mount Brackets · Teledyne Continental Motors IO-346-A, IO-346-B, IO-520-C and 2 more. Effective Jul 5, 1994 ## Information bulletins (advisory) (3) - [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 ## 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. ## Service difficulty reports (22) As reported by operators and repair stations, by the model named in the report. - [SDR 2010FA0001009](https://openairdocs.org/sdr/2010FA0001009), Aug 14, 2010: CRANKSHAFT. FAILED. IN-FLIGHT CATASTROPHIC FAILURE, DURING INITIAL CLIMB, ENGINE RAN ROUGH, QUIT PRODUCING POWER AND STOPPED. ACFT LANDED IN A FIELD. NO DAMAGE INCURRED. - [SDR 2007FA0000266](https://openairdocs.org/sdr/2007FA0000266), Mar 15, 2007: HINGE BRACKET. CRACKED. UPON REMOVAL OF THE HORIZONTAL STABILATOR FOR BEARING REPLACEMENT, A CRACK WAS NOTED COMING OUT FROM UNDER THE LEFT HINGE BRACKET THAT IS RIVETED TO THE SPAR OF - [SDR AUS20030742](https://openairdocs.org/sdr/AUS20030742), Jul 15, 2003: CYLINDER HEAD. SEPARATED. (AUS) NR 1 CYLINDER HEAD SEPARATED AT HEAD TO BARREL JOINT. - [SDR AUS20021343](https://openairdocs.org/sdr/AUS20021343), Nov 22, 2002: ROD. WORN. (AUS) LH AND RH MAIN LANDING GEAR SHOCK ABSORBER RODS SEVERELY WORN. LH MLG RODS WORN APPROXIMATELY 0.863MM (0.034IN). RH MLG RODS WORN APPROXIMATELY 0.457MM (0 - [SDR AUS20021344](https://openairdocs.org/sdr/AUS20021344), Nov 22, 2002: WASHER. UNAPPROVED PART. (AUS) LT AND RT MAIN LANDING GEAR SHOCK ABSORBERS FITTED WITH PLASTIC AUTOMOTIVE TYPE BUSHES ALONG WITH PNO 169-810000-119 WASHERS. UNAPPROVED PART. PERSONNEL/M - [SDR AUS20021345](https://openairdocs.org/sdr/AUS20021345), Nov 22, 2002: LANDING GEAR. TRANSPOSED. (AUS) LT MAIN LANDING GEAR AND RT MAIN LANDING GEAR TRANSPOSED. PERSONNEL/MAINTENANCE ERROR. - [SDR AUS20021252](https://openairdocs.org/sdr/AUS20021252), Oct 31, 2002: CYLINDER. WORN. (AUS) ENGINE CYLINDERS (4OFF) SEVERELY ERODED ON EXHAUST FLANGES. GASKETS LEAKING AND CAUSING BLOW-BY. ENGINE, ENGINE COMPONENTS AND FIREWALL CORRODED DUE TO EX - [SDR AUS20021254](https://openairdocs.org/sdr/AUS20021254), Oct 31, 2002: SPAR. DAMAGED. (AUS) RT WING SPAR REPAIRED DUE TO CORROSION. A LARGE DOUBLER IS ATTACHED TO THE AFT SIDE OF THE SPAR WEB. NO RECORD OF REPAIR OR REFERENCE TO AN ENGINEERING OR - [SDR AUS20021255](https://openairdocs.org/sdr/AUS20021255), Oct 31, 2002: BRACKET. CRACKED. (AUS) LT AND RT WING FORWARD ATTACHMENT BRACKETS CRACKED. CRACKS ARE LARGE AND EASILY VISIBLE TOTHE NAKED EYE. LAST PERIODIC INSPECTION WAS 20.7 HOURS PREVIOUSL - [SDR AUS20021256](https://openairdocs.org/sdr/AUS20021256), Oct 31, 2002: SPINNER. CRACKED. (AUS) PROPELLER SPINNER CRACKED IN SEVERAL PLACES. SPINNER APPEARS TO HAVE BEEN REPAIRED BY WELDING. THE QUALITY OF THE WELD REPAIRS IS VERY POOR WITH CRACKS EM - [SDR AUS20021257](https://openairdocs.org/sdr/AUS20021257), Oct 31, 2002: BULKHEAD. CRACKED. (AUS) PROPELLER SPINNER FORWARD BULKHEAD CRACKED IN SEVERAL PLACES. BULKHEAD APPEARS TO HAVE BEEN REPAIRED BY WELDING WITH THEQUALITY OF WELDS VERY POOR. CRACKS - [SDR AUS20021258](https://openairdocs.org/sdr/AUS20021258), Oct 31, 2002: ANGLE. CORRODED. (AUS) PILOTS INBOARD SEATBELT ATTACHMENT BRACKET CONTAINED SEVERE EXFOLIATION CORROSION. AIRCRAFT HAD OPERATED FOR 20.7 HOURS SINCE LAST PERIODIC INSPECTION. PE - [SDR AUS20021259](https://openairdocs.org/sdr/AUS20021259), Oct 31, 2002: BEARING. UNAPPROVED PART. (AUS) LT TRAILING EDGE FLAP OUTBOARD HINGE BEARING LOOSE IN BRACKET.SUSPECT UNAPPROVED PART. AIRCRAFT HAD OPERATED FOR 20.7 HOURS SINCE LAST PERIODIC INSPECTION - [SDR AUS20021260](https://openairdocs.org/sdr/AUS20021260), Oct 31, 2002: DUCT. UNAPPROVED PART. (AUS) UNAPPROVED SCAT HOSE FITTED BETWEEN AIR FILTER AND CARBURETTOR. SCAT HOSE IS NOT DESIGNED FOR NEGATIVE PRESSURE SUCH AS FOUND ININDUCTION HOSES. WHEN REMO - [SDR AUS20021261](https://openairdocs.org/sdr/AUS20021261), Oct 31, 2002: YOKE. CRACKED. (AUS) PILOTS CONTROL YOKE CRACKED. AN ATTEMPT HAD BEEN MADE TO REPAIR THE YOKE USING GLUE. AIRCRAFT HAD OPERATED FOR 20.7 HOURS SINCE LAST PERIODIC INSPECTION. - [SDR AUS20021262](https://openairdocs.org/sdr/AUS20021262), Oct 31, 2002: MOUNT. DETERIORATED. (AUS) ENGINE MOUNT RUBBERS BADLY DETERIORATED. AIRCRAFT HAS OPERATEDFOR 20.7 HOURS SINCE PERIODIC INSPECTION. PERSONNEL/MAINTENANCE ERROR. - [SDR 2000ZZZX404](https://openairdocs.org/sdr/2000ZZZX404), Dec 24, 1999: ROD BEARING. WORN. IN-FLIGHT, NR 3 CONNECTING ROD BEARING FAILED POSSIBLY DUE TO WEAR. EXCESSIVE HEAT AND EXPANSION BUILD-UP AROUND THE NR 3 CONNECTING ROD CRANKPIN AND CAUSING TH - [SDR CA990119023](https://openairdocs.org/sdr/CA990119023), Jan 13, 1999: BLADE. CORRODED. (CAN) DUE TO CORROSION OF THE PROPELLER BLADES, CAMBER AND FACE GRINDING IN ACCORDANCE WITH THE SENSENICH MAINTENANCE MANUAL WAS CARRIED OUT. - [SDR AU971474](https://openairdocs.org/sdr/AU971474), Nov 27, 1997: FRAME. MIS REPAIR. (AUS) FUSELAGE TO WING ATTACHMENT FRAME FILED OUT ON THE INSIDE RADIUS AND INCORRECT RIVET FITTED TO THE FORWARD WING MAIN SPAR SUPPORT. PERSONNEL/MAINTENANCE E - [SDR AU971475](https://openairdocs.org/sdr/AU971475), Nov 27, 1997: STABILIZER. INCORRECT MOD. (AUS) STABILATOR INCORRECTLY MODIFIED IAW SI 1167. THE STABILISER HAD ONLY TWO INSPECTION PANELS FITTED TO THE UNDERSIDE INSTEAD OF THE FOUR STIPULATED IN SI 11 - [SDR AU971477](https://openairdocs.org/sdr/AU971477), Nov 27, 1997: PANEL. INCORRECT MOD. (AUS) WING INSPECTION PANELS INCORRECT SIZE. SI 0824-035 REV11 STIPULATES THE PANELS SHOULD BE 127MM (5IN) IN DIAMETER BUT THOSE FITTED ARE ONLY 100MM (4IN) DIA - [SDR AU971479](https://openairdocs.org/sdr/AU971479), Nov 27, 1997: COIL. FAILED. (AUS) LH AND RH MAGNETO COILS BREAKING DOWN. MAGNETO LEADS ALSO FAULTY. ## STCs that may be installed (OpenAirDocs) (19) 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 - [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 SE03232CH](https://openairdocs.org/stc/SE03232CH): Installation of Engine Preheat Kit p/n TA2925-1 for 115 volt application. Hartzell Propeller 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 SE04599CH](https://openairdocs.org/stc/SE04599CH): To allow the use of UL-94 (minimum) grade aviation fuel meeting ASTM D7547. Swift Fuels LLC - [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 SE2340SW](https://openairdocs.org/stc/SE2340SW): Installation of modified cylinder assemblies, barrels, piston, and repaired crankcases. Continental Motors, Inc - [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 SE09846SC](https://openairdocs.org/stc/SE09846SC): Installation of S539800M30 starter adapter springs. Aircraft Specialties Services Inc - [STC SE1780NM](https://openairdocs.org/stc/SE1780NM): Installation of Precise Flight standby vacuum system (SVS III). Precise Flight Inc - [STC SE01628NY](https://openairdocs.org/stc/SE01628NY): Modification of starter adapter by substitution or rework of accessory drive parts. Canadian Aero Manufacturing - [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 - [STC SE452NE](https://openairdocs.org/stc/SE452NE): Installation and usage of 'Mobil AV 1' aviation oil. Mobil Research & Development Corp - [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 - [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 - [STC SE1445SO](https://openairdocs.org/stc/SE1445SO): Use of Aero-blend oil additive in Teledyne (non turbocharged) aircraft engines. ProTec - [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 --- 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.