# N31F: 1946 Cessna 140 - Status: Valid registration - Airframe: [Cessna 140](https://openairdocs.org/model/cessna-140) (registry code 2071602, 2 seats) - Engine: [Continental C85 series](https://openairdocs.org/engine/continental-c85-series) (registry code 17008) - Data sheets: [TCDS A-768](https://openairdocs.org/tcds/A-768) (Textron Aviation Inc.), [TCDS E-233](https://openairdocs.org/tcds/E-233) (Continental Aerospace Technologies, Inc.) (OpenAirDocs) - Serial number: 8508 - Year built: 1946 - Type: Fixed wing single engine - Engine type: Reciprocating - Airworthiness: Standard - Airworthiness date: March 14, 1956 - Certificate issued: May 3, 2011 - Expires: May 31, 2027 - Mode S code: A344F5 - Registered owner: [Lloyd Land Plane II LLC](https://openairdocs.org/faa-owner/LLOYD%20LAND%20PLANE%20II%20LLC) - Location: [Brighton, CO](https://openairdocs.org/faa-place/CO/Brighton) - Owner type: LLC - Owner's area on the map: 39.9648° N, 104.9108° W: Placed by OpenAirDocs at the center of ZIP code 80602, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=31F - Page: https://openairdocs.org/aircraft/N31F 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): 46 in force ### Matched by airframe (Cessna 140) - [AD 2023-10-02](https://openairdocs.org/ad/2023-10-02): Indicating/Recording System, Navigation · Boeing 18, 23, 35 and 1,060 more. Effective May 26, 2023 - [AD 2022-08-03](https://openairdocs.org/ad/2022-08-03): Flight Compartment Equipment · Textron 120, 140 and 140A. Effective May 17, 2022 - [AD 2022-03-15](https://openairdocs.org/ad/2022-03-15): Fuel Quantity Indicator · Garmin G3X Touch Electronic Flight Instrument System (STC SA01899WI or SA02658SE). Effective Mar 21, 2022 - [AD 2006-03-08](https://openairdocs.org/ad/2006-03-08): Vacuum pumps · Aero Advantage 14-19, 14-19-2, 14-19-3 and 299 more. Effective Mar 10, 2006 - [AD 2004-19-01](https://openairdocs.org/ad/2004-19-01): Upper shoulder harness adjusters · Cessna F150G, F150H, F150J and 129 more. Effective Nov 1, 2004 - [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 96-09-06](https://openairdocs.org/ad/96-09-06): Air Filter Assemblies · Maule Aerospace Technology 7ACA, 7ECA, 7FC and 180 more. Effective Jun 7, 1996 - [AD 81-15-03](https://openairdocs.org/ad/81-15-03): Engine Inlet Air Filters · Replace existing engine induction air filter (Brackett Aero Filters STC SA693CE or SA71GL). Effective Jul 20, 1981 - [AD 79-08-03](https://openairdocs.org/ad/79-08-03): Electrical System · Cessna 120, 140, 140A and 152 more. Effective Jun 6, 1979 - [AD 62-24-03](https://openairdocs.org/ad/62-24-03): Cabin Heat System · Lycoming O-235-C1, O-235-C2C, O-290-D, O-290-D2, O-320 engine (Luscombe STC SA4-173 or 5 others). Effective Nov 21, 1962 - [AD 61-25-01](https://openairdocs.org/ad/61-25-01): Met-Co-Aire Landing Gear · Cessna 120, 140 and 140A. Effective Dec 20, 1961 - [AD 51-21-01](https://openairdocs.org/ad/51-21-01): Rudder Rib Flanges · Cessna 120, 140 and 140A - [AD 50-31-01](https://openairdocs.org/ad/50-31-01): Fin Spar Reinforcement · Cessna 120, 140 and 140A - [AD 48-25-03](https://openairdocs.org/ad/48-25-03): Wing Drag Wire System · Cessna 120 and 140 - [AD 48-25-02](https://openairdocs.org/ad/48-25-02): Welded Exhaust Muffler · Cessna 120 and 140 - [AD 48-07-01](https://openairdocs.org/ad/48-07-01): Stabilizer Attaching Bolts · Cessna 120 and 140 - [AD 48-05-04](https://openairdocs.org/ad/48-05-04): Operator Limitations Placard · Cessna 120 and 140 - [AD 47-50-02](https://openairdocs.org/ad/47-50-02): Fuselage Bulkhead · Cessna 120 and 140 - [AD 47-43-08](https://openairdocs.org/ad/47-43-08): Beech R003-201 Propeller Blades · Cessna 120 and 140 - [AD 47-43-06](https://openairdocs.org/ad/47-43-06): Aileron Support Ribs · Cessna 120 and 140 - [AD 47-43-05](https://openairdocs.org/ad/47-43-05): Elevator Spar Web Reinforcement · Cessna 120 and 140 - [AD 47-43-04](https://openairdocs.org/ad/47-43-04): Rudder Control Cable Horns · Cessna 120 and 140 - [AD 47-43-03](https://openairdocs.org/ad/47-43-03): Seaplane Spreader Struts · Cessna 120 and 140 - [AD 47-43-02](https://openairdocs.org/ad/47-43-02): Fuel Selector Valve Handle · Cessna 120 and 140 - [AD 47-43-01](https://openairdocs.org/ad/47-43-01): Primer Line Relocation · Cessna 120 and 140 - [AD 47-26-02](https://openairdocs.org/ad/47-26-02): Wing Leading Edge Rework · Cessna 120 and 140 - [AD 47-06-11](https://openairdocs.org/ad/47-06-11): Forward Doorposts Cracks · Cessna 120 and 140 - [AD 47-06-10](https://openairdocs.org/ad/47-06-10): Aileron Carry-Through Bar · Cessna 120 and 140 - [AD 46-44-05](https://openairdocs.org/ad/46-44-05): Engine Mounting Bolts · Cessna 120 and 140 - [AD 46-44-04](https://openairdocs.org/ad/46-44-04): Carburetor Hot Air Ducts · Cessna 120 and 140 - [AD 46-44-03](https://openairdocs.org/ad/46-44-03): Windshield Retaining Channel · Cessna 120 and 140 - [AD 46-44-02](https://openairdocs.org/ad/46-44-02): Safety Belt Bracket Reinforcement · Cessna 120 and 140 - [AD 46-44-01](https://openairdocs.org/ad/46-44-01): Rudder Stop Bolts · Cessna 120 and 140 ### 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 86-26-04](https://openairdocs.org/ad/86-26-04) (historical): Shoulder Harness Adjuster · Cessna Aircraft Company, The 120, 140, 140A and 134 more. Effective Jan 6, 1987 - [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) (9 in force) - [SAIB SW-18-31](https://openairdocs.org/saib/SW-18-31): NAVIGATION, ATTITUDE, AND DIRECTION DATA SYSTEM. Issued Nov 21, 2018 - [SAIB CE-15-13](https://openairdocs.org/saib/CE-15-13): FUSELAGE Seat Belt Mounting Bracket. Issued Apr 15, 2015 - [SAIB CE-10-40R1](https://openairdocs.org/saib/CE-10-40R1): Aircraft Fuel System; water contamination of fuel tank systems on Cessna single engine airplanes. Issued Jul 30, 2010 - [SAIB CE-09-42](https://openairdocs.org/saib/CE-09-42): Lights - Landing Light, Beacon Light and Taxi Light Switch Applications. Issued Jul 24, 2009 - [SAIB CE-05-80](https://openairdocs.org/saib/CE-05-80): . Issued Aug 9, 2005 - [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 - [SAIB CE-06-46](https://openairdocs.org/saib/CE-06-46) (historical): . Issued May 24, 2006 ## NTSB investigations None matched to N31F. ## FAA accident and incident reports None matched to N31F. ## 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) (268, first 50) 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 airframe (Cessna 140) - [STC SA01233SE](https://openairdocs.org/stc/SA01233SE): Fabrication and installation of Alaskan Bushwheel LLC tail wheel and fork assembly. ABI, LLC - [STC SA01800SE](https://openairdocs.org/stc/SA01800SE): Fabrication and installation of new or replacement of existing instrument panel lights dimmer control. TCW Technologies, LLC - [STC SA01861SE](https://openairdocs.org/stc/SA01861SE): Fabrication and installation of Landing Light Controller. TCW Technologies, LLC - [STC SA12428CH](https://openairdocs.org/stc/SA12428CH): Installation of the Lycoming Engines Electronic Ignition System (EIS). Lycoming Engines, An Operating Division of AVCO Corporation - [STC SA04837NY](https://openairdocs.org/stc/SA04837NY): Installation of AeroLED's Holdings, LLC., position lights, navigation lights, strobe lights and beacon lights. AeroLED's Holdings, LLC - [STC SA04652CH](https://openairdocs.org/stc/SA04652CH): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification. Swift Fuels LLC - [STC SA02636SE](https://openairdocs.org/stc/SA02636SE): Installation of Garmin GPS 175 Navigation System and GNX 375 Navigation System with ADS-B In/Out Transponder. Garmin International Inc - [STC SA02019SE-D](https://openairdocs.org/stc/SA02019SE-D): Installation of Garmin Model GTN 625/635/650; 725/750 Navigation System. Garmin International Inc - [STC SA800EA](https://openairdocs.org/stc/SA800EA): Installation of Whelen Anti-Collision, Position, or Anti-Collision/Position Light System, and applicable associated power supplies. Whelen Aerospace Technologies - [STC SA00079NY](https://openairdocs.org/stc/SA00079NY): Installation of Airwolf remote mounted engine oil filter kit AFC-K008 on single and multi engine fixed wing light aircraft incorporating Teledyne Continental reciprocating engines of 450 horsepower or less. Airwolf Filter Corporation - [STC SA01005DE](https://openairdocs.org/stc/SA01005DE): Installation of a EarthX ETX900-TSO Lithium battery. EarthX Inc - [STC SA00081NY](https://openairdocs.org/stc/SA00081NY): Installation of Iceman Aviation Supplies, Inc. Carburetor Ice Detector. Alcor LLC - [STC SA5581SW](https://openairdocs.org/stc/SA5581SW): Installation of ALCOR true-flow/ totalizer system. Alcor LLC - [STC SA02738CH](https://openairdocs.org/stc/SA02738CH): Installation of L-3 Communications Avionics Systems. Acron Aviation Inc - [STC SA04046CH PAGE 1](https://openairdocs.org/stc/SA04046CH%20PAGE%201): Installation of L-3 GENESIS (TM) Electronic Standby Instrument System (ESI-500/MAG-500). Acron Aviation Inc - [STC SA7965SW](https://openairdocs.org/stc/SA7965SW): Application of fabric and polyurethane finishing system. Shady Aviation LLC - [STC SA04378CH](https://openairdocs.org/stc/SA04378CH): Installation of an engine modified per STC SE04349CH. SureFly Partners Ltd - [STC SA02594SE](https://openairdocs.org/stc/SA02594SE): SkyView HDX Instrumentation and Autopilot System manufactured. Dynon Avionics - [STC SA02386AK](https://openairdocs.org/stc/SA02386AK): Replacement of existing landing and/or taxi light reflector and bulbs with Light Emitting Diode (LED) lighting systems. AeroLED's Holding LLC - [STC SA03898NY](https://openairdocs.org/stc/SA03898NY): Installation and maintenance of ORATEX covering and coating material. Aircraft Design & Certification Ltd - [STC SA04568CH](https://openairdocs.org/stc/SA04568CH): Installation of the uAvionix tailBeaconX, a tail mounted position light with integrated Automatic Dependent Surveillance - Broadcast (ADS-B) Out and 1090MHz Mode-S transponder functionality. uAvionix Corporation - [STC SA02658SE](https://openairdocs.org/stc/SA02658SE): Installation of Garmin GI 275 Multi-Function Display System. Garmin International Inc - [STC SA01899WI](https://openairdocs.org/stc/SA01899WI): Installation of Garmin G3X Touch Electronic Flight Instrument System. Garmin International Inc - [STC SA02019WI](https://openairdocs.org/stc/SA02019WI): Installation of the Trig Avionics TX56, TX56A, TX57, or TX57A VHF Nav-Com Radio. Peregrine - [STC SA00756DE](https://openairdocs.org/stc/SA00756DE): Installation of Automatic Dependent Surveillance Broadcast (ADS-B) Out Equipment using a Trig Avionics TT22 Transponder and an approved Global Positioning System (GPS) Position Sensor. Peregrine - [STC SA00897WI](https://openairdocs.org/stc/SA00897WI): Installation of Concorde Battery Corporation (VRSLA) Valve regulated sealed lead acid battery. Aero-Mach Wilco LLC - [STC SA3-423](https://openairdocs.org/stc/SA3-423): Installation of CT-3000 tail ski on airplanes equipped with Scott 3200 or 3400 tail wheels. F.Atlee Dodge Aircraft Services - [STC SA02987CH](https://openairdocs.org/stc/SA02987CH): Installation of the Electroair Electronic Ignition System. Electroair Acquisition Corporation - [STC SA13GL](https://openairdocs.org/stc/SA13GL): Installation of Cleveland wheel No. 40-97A and brake No. 30-63A. Kaman Corporation Aircraft Wheel & Brake LLC - [STC SA01967WI](https://openairdocs.org/stc/SA01967WI): Use of GAMI G100UL High Octane Unleaded Avgas. General Aviation Modifications Inc - [STC SA04776NY](https://openairdocs.org/stc/SA04776NY): The HIPEC Covering and Finishing System must be performed and maintained. HIPEC Aircraft Coatings Inc - [STC SA02444AK](https://openairdocs.org/stc/SA02444AK): Approval of the L-3 Communications NGT 9000/9000R ADS-B system installed. ADS-B Technologies LLC - [STC SA01015SE](https://openairdocs.org/stc/SA01015SE): Installation of eligible Alaska Bushwheel, Inc. wheels and TSO-C62d tires. ABI LLC - [STC SA01818WI](https://openairdocs.org/stc/SA01818WI): Installation of Garmin G5 Electronic Flight Instrument. Garmin International Inc - [STC SA02553AK](https://openairdocs.org/stc/SA02553AK): Fabrication and installation of a Tail Wheel Anti-Shimmy Dampener. Keller Engineering Group LLC - [STC SA11174SC PAGE 1](https://openairdocs.org/stc/SA11174SC%20PAGE%201): Installation of BendixKing by Honeywell KSN 770 and KSN 765 WAAS LPV approach capable nav/comm systems. Honeywell International Inc (Bendix King) - [STC SA02430SE](https://openairdocs.org/stc/SA02430SE): Fabrication and installation of a camera housing. Airborne Sensor LLC - [STC SA10822SC](https://openairdocs.org/stc/SA10822SC): Installation of EFD1000 Primary Flight Display. Aspen Avionics Inc - [STC SA00401BO](https://openairdocs.org/stc/SA00401BO): Installation of a SkyTrax100B UAT receiver. Avidyne Corporation - [STC SA00410BO](https://openairdocs.org/stc/SA00410BO): Installation of an AV-30-C Multi-Mode Indicator. uAvionix Corporation - [STC SA02332AK](https://openairdocs.org/stc/SA02332AK): Installation of a fixed mounted Forward.Vision Enhanced Vision System (EVS) Models 100/600 to include an under-wing conformal fairing with sensor and a glareshield mounted dedicated display monitor. PECO Inc - [STC SA02268CH](https://openairdocs.org/stc/SA02268CH): Installation of Airwolf Filter Corp. Air Oil Separator. Airwolf Filter Corporation - [STC SA01714WI](https://openairdocs.org/stc/SA01714WI): Installation of a Garmin transponders: (a) GTX 330/330D/33/33D with ADS-B Out functionality; (b) GTX 335/335R/345/345R with ADS-B Out and In functionality; or (c) GTX 335R/345R with ADS-B Out functionality in select airplanes installed with G950/G1000 systems. Garmin International Inc - [STC SA04382CH](https://openairdocs.org/stc/SA04382CH): Installation of seat rail supports and Cessna 150 seats in accordance with Lowe Aviation Aircraft Maintenance instructions as listed on AML No. SA04382CH, issued July 18, 2019, or later approved FAA revision. David Lowe dba Lowe Aviation Aircraft Maintenance - [STC SA04032CH](https://openairdocs.org/stc/SA04032CH): Install rocker switch assemblies. Electroair Acquisition Corporation - [STC SA00344BO PAGE 1](https://openairdocs.org/stc/SA00344BO%20PAGE%201): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. Whelen Aerospace Technologies - [STC SA01139CH](https://openairdocs.org/stc/SA01139CH): Installation of W.D. Davis V.I.C.C.L. Cessna Cowl Latch. Kenneth E. Morris and Lorraine R. Morris - [STC SA01814CH](https://openairdocs.org/stc/SA01814CH): Replace Cessna S-43 fabric attachment clips with AD42ABSLF rivets in accordance with the Instructions and Procedures as listed on AML No. SA01814CH, or later FAA Approved revisions. Kenneth E. Morris and Lorraine R. Morris - [STC SA4-581](https://openairdocs.org/stc/SA4-581): Installation of a Lycoming O-290-D engine and Sensenich M76AM-2 or Sensenich CS3FM4 propeller. John P. Warren - [STC SA4-640](https://openairdocs.org/stc/SA4-640): Installation of a Lycoming O-290-D2 engine and Sensenich M74DM propeller. John P. Warren All 268: https://openairdocs.org/aircraft/N31F/stcs.md ## Related - Other Cessna 140 aircraft: https://openairdocs.org/model/cessna-140/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.