# N3TM: 1946 Piper J3C-65 - Status: Valid registration - Airframe: [Piper J3C-65](https://openairdocs.org/model/piper-j3c-65) (registry code 7100510, 2 seats) - Engine: [Continental C85 series](https://openairdocs.org/engine/continental-c85-series) (registry code 17008) - Data sheets: [TCDS E-233](https://openairdocs.org/tcds/E-233) (Continental Aerospace Technologies, Inc.) (OpenAirDocs) - Serial number: 22164 - Year built: 1946 - Type: Fixed wing single engine - Engine type: Reciprocating - Airworthiness: Standard - Airworthiness date: September 9, 1955 - Certificate issued: October 20, 1998 - Expires: July 31, 2028 - Mode S code: A31C55 - Registered owner: [Sea-Air Ltd](https://openairdocs.org/faa-owner/SEA-AIR%20LTD) - Location: [Aurora, OR](https://openairdocs.org/faa-place/OR/Aurora) - Owner type: Corporation - Owner's area on the map: 45.2403° N, 122.7936° W: Placed by OpenAirDocs at the center of ZIP code 97002, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=3TM - Page: https://openairdocs.org/aircraft/N3TM From the FAA registry file of October 22, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination. The registry lists only the engine series, so ADs for every Continental C85 model are included. ## ADs that may apply (OpenAirDocs): 13 in force ### Matched by airframe (Piper J3C-65) None in force. ### Matched by engine (Continental C85 series) - [AD 98-17-11](https://openairdocs.org/ad/98-17-11): Crankshafts · Continental Motors A-65-3, A-65-8, A75-8 and 90 more. Effective Oct 19, 1998 - [AD 98-01-06](https://openairdocs.org/ad/98-01-06): Carburetors · Continental Motors A-65-1, A-65-12, A-65-12F and 184 more. Effective Feb 13, 1998 - [AD 94-05-05 R1](https://openairdocs.org/ad/94-05-05-R1): Cylinder Rocker · Continental Motors C-125-1, C-125-2, C145-2 and 59 more. Effective Feb 13, 1996 - [AD 95-21-15](https://openairdocs.org/ad/95-21-15): Aviation Gasoline · Continental Motors A-65-8, C85-12F, C85-12FJ and 77 more. Effective Nov 28, 1995 - [AD 93-22-05](https://openairdocs.org/ad/93-22-05): Carburetor Air Intake Housing Assemblies · Continental Motors C90-12F, C90-12FH, C90-12FJ and 22 more. Effective Dec 14, 1993 - [AD 93-19-04](https://openairdocs.org/ad/93-19-04): Carburetors · Continental Motors A-65-1, A-65-12, A-65-12F and 184 more. Effective Oct 18, 1993 - [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 81-07-06](https://openairdocs.org/ad/81-07-06): AC Fuel Pumps · Continental Motors A-65-1, A-65-12, A-65-12F and 60 more. Effective Apr 1, 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 69-24-03](https://openairdocs.org/ad/69-24-03): Carburetors · Continental Motors A-65-1, A-65-12, A-65-12F and 321 more. Effective Nov 29, 1969 - [AD 69-09-01](https://openairdocs.org/ad/69-09-01): Eisemann Magnetos · Eisemann Magnetos, 2A4-45-B2, 2A4-49-B2 and 158 more - [AD 49-50-01](https://openairdocs.org/ad/49-50-01): Generator Drive Coupling Rubber Disc · Continental Motors C-125-1, C-125-2, C145-2 and 27 more - [AD 47-40-02](https://openairdocs.org/ad/47-40-02): Piston Pins · Continental Motors C-125-1, C-125-2, C75-12F and 4 more ### Historical (superseded or no longer in force) - [AD 94-14-12](https://openairdocs.org/ad/94-14-12) (historical): Octane Aviation Gasoline · Teledyne Continental Motors A-65-8, C85-12, E185-11 and 68 more ## Information bulletins (advisory) (4 in force) - [SAIB NE-18-27](https://openairdocs.org/saib/NE-18-27): POWERPLANT Rocker Shaft Boss Inspection. Issued Sep 10, 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 CE-98-21R1](https://openairdocs.org/saib/CE-98-21R1): . Issued Jun 10, 1998 ## NTSB investigations None matched to N3TM. ## FAA accident and incident reports None matched to N3TM. ## Service difficulty reports None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. ## STCs that may be installed (OpenAirDocs) (44) Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do. ### Approved for the engine (Continental C85 series) - [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 C85-12 - [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 C85-12 - [STC SE208SO](https://openairdocs.org/stc/SE208SO): Installation of ice indicator in the carburetor. LegacySTC.com - [STC SE04349CH](https://openairdocs.org/stc/SE04349CH): Installation of SureFly electronic ignition. SureFly Partners Ltd. Lists C85-12 - [STC SE00145WI](https://openairdocs.org/stc/SE00145WI): Installation of B&C Specialty Products Model BC 320-( ) Engine Starter. B & C Specialty Products Inc. Lists C85-12 - [STC SE03232CH](https://openairdocs.org/stc/SE03232CH): Installation of Engine Preheat Kit p/n TA2925-1 for 115 volt application. Hartzell Propeller Inc. Lists C85-12 - [STC SE04577CH](https://openairdocs.org/stc/SE04577CH): Install an electronic engine ignition system. Electroair Acquisition Corp. Lists C85-12 - [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. Lists C85-12 - [STC SE00533SE](https://openairdocs.org/stc/SE00533SE): Installation of Real Gasket Corporation Continental Engine Pushrod Tube Modification. Real Gaskets Tennessee. Lists C85-12 - [STC SE7559SW](https://openairdocs.org/stc/SE7559SW): Install adapter to permit use of a spin-on oil filter. Stratus Tool Technologies LLC. Lists C85-12 - [STC SE10076SC](https://openairdocs.org/stc/SE10076SC): Modify engine by installation of C12ST2/S starter. Hartzell Engine Technologies, LLC. Lists C85-12 - [STC SE10129SC](https://openairdocs.org/stc/SE10129SC): Installation of rotocoil, valve springs, ni-resist valve guide, exhaust valve with chrome flash on stem, and rocker shaft with thrust buttons. Continental Motors, Inc. Lists C85-12 - [STC SE34WE](https://openairdocs.org/stc/SE34WE): Installation of Electro-Coatings, Inc., piston rings on Continental pistons. Continental Motors, Inc. Lists C85-12 - [STC SE4247SW](https://openairdocs.org/stc/SE4247SW): Regrind crankshaft to .020 undersize on crankpin and main journals. Continental Motors, Inc - [STC SE8113SW](https://openairdocs.org/stc/SE8113SW): Installation of any or all parts identified by Airmotive drawing/parts application list AEC9109-2. Continental Motors, Inc - [STC SE7562SW](https://openairdocs.org/stc/SE7562SW): Install adapter to permit use of a spin-on oil filter. Stratus Tool Technologies LLC. Lists C85-12 - [STC SE3330NM](https://openairdocs.org/stc/SE3330NM): Continental valve cover gasket. Real Gaskets Tennessee. Lists C85-12 - [STC SE1590GL](https://openairdocs.org/stc/SE1590GL): Installation of Slick Aircraft Products Magneto Model 4202 or Model 4302. Champion Aerospace LLC. Lists C85-8 - [STC SE01309AT](https://openairdocs.org/stc/SE01309AT): Modify engines. Lowe Aviation Aircraft Maintenance. Lists C85-12 - [STC SE09002SC](https://openairdocs.org/stc/SE09002SC): Regrind Teledyne Continental crankshafts, to .020-inch undersize on crankpin and main journals. Aircraft Specialties Services Inc - [STC SE01943CH](https://openairdocs.org/stc/SE01943CH): Add the following approved fuels: unleaded automotive gasoline 87 minimum antiknock index, per ASTM Specification D-439 or D-4814 of any volatility class, A through E, or 82UL AVGAS per ASTM D-6227. Experimental Aircraft Association Inc. Lists C85-12 - [STC SE634GL](https://openairdocs.org/stc/SE634GL): Superseded by STC SE01943CH. Add the following approved fuel: unleaded automotive gasoline, 87 minimum antiknock index. EAA Aviation Foundation - [STC SE154CH](https://openairdocs.org/stc/SE154CH): Engine oil pump repair/rework specifications and procedures. Harmony Machine Prod Inc. Lists C85-12 - [STC ST00435AT](https://openairdocs.org/stc/ST00435AT): Overhaul/repair of the Delco starter adapter drive (P/N 1971890) used with Delco starters P/N's 11096656 and 1109660. Aerotech - [STC SE02172AT](https://openairdocs.org/stc/SE02172AT): Replace engine crankcase with model O-200 crankcase. Swords Don - [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 SE02004AT](https://openairdocs.org/stc/SE02004AT): Installation of Teledyne Continental Motors (TCM) model O-200 crankshaft, connecting rods and pistons (Superior Air Parts pistons are also approved). Swords Donald H - [STC SE00979AT](https://openairdocs.org/stc/SE00979AT): Installation of a Teledyne Continental model O-200 crankshaft, connecting rods and pistons. Aircraft Specialties Services Inc - [STC SE1-201](https://openairdocs.org/stc/SE1-201): Installation of the Richter Aero Equipment Type B-4 or B-5 Temperature Probe. (O-360 SERIES (excl. A1C, C2B, C2D)). MidContinent Instru Co Inc - [STC SE00164SE](https://openairdocs.org/stc/SE00164SE): Installation of Avglas components to modify carburetor air housing assemblies. McFarlane Aviation, Inc - [STC SE01592AT](https://openairdocs.org/stc/SE01592AT): Modify the crankcase of the listed engines. Swords Don - [STC SE00350SE](https://openairdocs.org/stc/SE00350SE): Installation of sump mounted chip detector. Aviation Development Corporation. Lists C85-12 - [STC SE00262NY](https://openairdocs.org/stc/SE00262NY): Installation of Canadian Aero Manufacturing Pull Start Clutch, P/N 1971890-N or 1971890-M. Canadian Aero Manufacturing - [STC SE154CE](https://openairdocs.org/stc/SE154CE): Engine oil pump repair/rework specifications and procedures. Allison James R - [STC SE8669SW](https://openairdocs.org/stc/SE8669SW): Installation of roller rocker arm. Performance Engineering. Lists C85-12 - [STC SE898NE](https://openairdocs.org/stc/SE898NE): Installation of 60 amp. alternator, Cessna P/N C611501-0204, -0203, -0202, -0201 or Ford P/N DOFF-10300-F in lieu of existing generator. Barnstormers Aviation. Lists C85-12 - [STC SE5113NM](https://openairdocs.org/stc/SE5113NM): Install oil filter. Lessard Daryle - [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 SE2030CE](https://openairdocs.org/stc/SE2030CE): Add approved fuel: unleaded automotive gasoline, 87 minimum anitknock index and leaded automotive gasoline, 88 minimum antiknock index(RON+MON)/2. Petersen Aviation Inc. Lists C85-12 - [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 SE984SW](https://openairdocs.org/stc/SE984SW): Delco 55A ampere alternator. (C85 SERIES Suffix F Series). Waldrop Lee A - [STC SE3CE](https://openairdocs.org/stc/SE3CE): R-30-A alternator. Repke Kenneth J - [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 ## Earlier aircraft with N3TM The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N3TM before. - [Cancelled 1999-08-04](https://openairdocs.org/deregistered/N3TM-1999-08-04): Piccard AX-6, S/N 760, built 1975 ## Related - Other Piper J3C-65 aircraft: https://openairdocs.org/model/piper-j3c-65/aircraft.md - The Continental C85 series engine: https://openairdocs.org/engine/continental-c85-series.md --- 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.