# N684MA: Mooney M-20G - Status: Valid registration - Airframe: [Mooney M-20G](https://openairdocs.org/model/mooney-m-20g) (registry code 5870216, 4 seats) - Data sheets: [TCDS 2A3](https://openairdocs.org/tcds/2A3) (Mooney International Corporation) (OpenAirDocs) - Serial number: 680005 - Type: Fixed wing single engine - Engine type: Reciprocating - Certificate issued: April 14, 2011 - Expires: April 30, 2027 - Mode S code: A91327 - Registered owner: [Throener Mark L](https://openairdocs.org/faa-owner/THROENER%20MARK%20L) - Location: [Norfolk, NE](https://openairdocs.org/faa-place/NE/Norfolk) - Owner type: Individual - Owner's area on the map: 42.0198° N, 97.4426° W: Placed by OpenAirDocs at the center of ZIP code 68701, within about 8 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=684MA - Page: https://openairdocs.org/aircraft/N684MA From the FAA registry file of October 24, 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. ## ADs that may apply (OpenAirDocs): 22 in force ### Matched by airframe (Mooney M-20G) - [AD 2024-14-03](https://openairdocs.org/ad/2024-14-03): Autopilot System · Garmin GFC 500 Autopilot (STC SA01866WI). Effective Aug 20, 2024 - [AD 2023-02-04](https://openairdocs.org/ad/2023-02-04): Elevator Structure · Mooney International M20C, M20D, M20E and 2 more. Effective Feb 13, 2023 - [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 2012-05-09](https://openairdocs.org/ad/2012-05-09): Stabilizers · Mooney M20B, M20C, M20D and 10 more. Effective Mar 20, 2012 - [AD 2006-12-07](https://openairdocs.org/ad/2006-12-07): ECi cylinder assemblies · Aerostar AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 386 more. Effective Jul 11, 2006 - [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 2005-01-19](https://openairdocs.org/ad/2005-01-19): Mode S transponders · GARMIN International GTX 330D, GTX 330, GTX 33D and 830 more. Effective Feb 23, 2005 - [AD 2004-25-04](https://openairdocs.org/ad/2004-25-04): O & N Bladder Fuel Cell · Mooney M20B, M20C, M20D and 4 more. Effective Jan 21, 2005 - [AD 2001-23-17](https://openairdocs.org/ad/2001-23-17): GNS 430 units · Cessna 172, 182, 206 and 209 more. Effective Dec 28, 2001 - [AD 98-21-21 R1](https://openairdocs.org/ad/98-21-21-R1): Electric Inflatable Door Seals · Cessna 17-30, 17-30A, 17-31 and 267 more. Effective May 1, 2000 - [AD 98-24-11](https://openairdocs.org/ad/98-24-11): Aileron Control Links · Mooney M20B, M20C, M20D and 8 more. Effective Dec 28, 1998 - [AD 98-25-02](https://openairdocs.org/ad/98-25-02): Top-mounted Antenna · Bell Helicopter Textron Canada 407, 172, 172A and 243 more. Effective Dec 22, 1998 - [AD 98-14-03](https://openairdocs.org/ad/98-14-03): Transponders · Cessna 172, 172A, 172B and 230 more. Effective Aug 16, 1998 - [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 85-24-03](https://openairdocs.org/ad/85-24-03): Fuel Tank Bays and Rib Station Inspection · Mooney M20B, M20C, M20D and 6 more. Effective Jan 6, 1986 - [AD 80-25-07 R1](https://openairdocs.org/ad/80-25-07-R1): Oil Coolers · American Champion 7ECA, 7GCAA, 7GCBC and 39 more. Effective Sep 24, 1981 - [AD 81-19-04](https://openairdocs.org/ad/81-19-04): Hose Assembly · Rajay Hose Assemblies, 500A, 500B and 87 more. Effective Sep 17, 1981 - [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 77-17-04](https://openairdocs.org/ad/77-17-04): Control Wheel Shaft · Mooney M20, M20A, M20B and 5 more. Effective Jul 7, 1978 - [AD 75-23-04](https://openairdocs.org/ad/75-23-04): Electric Gear Systems · Mooney M20, M20A, M20B and 12 more. Effective Dec 8, 1975 - [AD 75-09-08](https://openairdocs.org/ad/75-09-08): Engine Mount Members · Mooney M20C, M20D, M20E and 2 more. Effective Apr 30, 1975 - [AD 73-21-01](https://openairdocs.org/ad/73-21-01): Flight Control Landing Gear Systems · Mooney M20, M20A, M20B and 5 more. Effective Oct 10, 1973 ## Information bulletins (advisory) (4 in force) - [SAIB 2023-02](https://openairdocs.org/saib/2023-02): Landing Gear System. Issued Mar 3, 2023 - [SAIB SW-18-31](https://openairdocs.org/saib/SW-18-31): NAVIGATION, ATTITUDE, AND DIRECTION DATA SYSTEM. Issued Nov 21, 2018 - [SAIB CE-14-12](https://openairdocs.org/saib/CE-14-12): Landing Gear System. Issued Mar 14, 2014 - [SAIB NE-13-32](https://openairdocs.org/saib/NE-13-32): Propeller Spinner Section. Issued May 9, 2013 ## NTSB investigations None matched to N684MA. ## FAA accident and incident reports (1) 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 20100418032739I](https://openairdocs.org/incident/20100418032739I), Apr 18, 2010: Mooney M-20G (N684MA), Lincoln, CA, Minor damage. The aircraft landed gear up. PIC stated, he forgot to put the gear down. ## Service difficulty reports (1) As reported by operators and repair stations. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR 2007FA0000024](https://openairdocs.org/sdr/2007FA0000024), Nov 30, 2006: BEARING. FROZEN. ELEVATOR PUSH ROD END BEARING (PHF31-14, FOUND TO BE FROZEN FROM RUST AND GRIME. ROD END BEARING BROKE AT THREADED PORTION DUE TO LACK OF MOVEMENT. AD 73-21-01 ## STCs that may be installed (OpenAirDocs) (316, 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 (Mooney M-20G) - [STC SA02571SE](https://openairdocs.org/stc/SA02571SE): Installation of Garmin G500/G600 TXi Integrated Avionics System (Primary Flight Display, Multi-Function Display, and Engine Indicating System Display). Garmin International Inc - [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 SA02279AT](https://openairdocs.org/stc/SA02279AT): Installation of a Boom Beam bulb, starter, and ballast. Whelen Aerospace Technologies - [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 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 SA02511SE](https://openairdocs.org/stc/SA02511SE): Installation of replacement fuel quantity indicator sending unit(s). CiES Inc - [STC SA01866WI](https://openairdocs.org/stc/SA01866WI): Installation of Garmin GFC 500 Autopilot with Electronic Stability and Protection. Garmin International Inc - [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. Lists M20 Series - [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 SA11888CH](https://openairdocs.org/stc/SA11888CH): Installation of Hartzell Propeller Model 2C1-R419A1/75C(S)08, 2 blade composite propeller. Hartzell Propeller 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 SA01757WI](https://openairdocs.org/stc/SA01757WI): To allow the use of UL91 or UL94 (minimum) grade aviation fuel. Swift Fuels LLC - [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 SA02349LA](https://openairdocs.org/stc/SA02349LA): Installation of Lake Aero Styling and Repair Nose Gear Truss. LASAR Inc - [STC SA3252NM](https://openairdocs.org/stc/SA3252NM): Installation of fiberglass belly fairing. LASAR Inc - [STC SA3263NM](https://openairdocs.org/stc/SA3263NM): Installation of later style (M20K) windshield. LASAR Inc - [STC SA3540NM](https://openairdocs.org/stc/SA3540NM): Installation of modified nose gear bushings. LASAR Inc - [STC SA3542NM](https://openairdocs.org/stc/SA3542NM): Installation of modified nose gear steering horn. (M20G SN680001 thru 680164). LASAR Inc - [STC SA4443NM](https://openairdocs.org/stc/SA4443NM): Installation of gap seals and speed fairings involving 10 kits. LASAR Inc - [STC SA4502NM](https://openairdocs.org/stc/SA4502NM): Installation of Lycoming IO-360-A1A, -A1B, -A1B6, or -A1B6D, -A3B6, or -A3B6D engine and Hartzell HC-C2YK-1B/7666A-2 or HC-C2YR-1B-7666A-2 propeller. LASAR Inc - [STC SA4535NM](https://openairdocs.org/stc/SA4535NM): Installation of a cowl closure fairing. LASAR Inc - [STC ST01554LA](https://openairdocs.org/stc/ST01554LA): Installation of a Nose Landing Gear Steering Horn Assembly. LASAR 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 SA04400NY](https://openairdocs.org/stc/SA04400NY): Installation of the Integrated Back-up Battery System (IBBS). TCW Technologies LLC - [STC SA04192NY](https://openairdocs.org/stc/SA04192NY): KFD 900 Primary Flight Display System Additional Functions. Honeywell International Inc - [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 SA11137SC](https://openairdocs.org/stc/SA11137SC): Installation of Plane-Power ALT-FLX alternator. Hartzell Engine Technologies, LLC - [STC SA02987CH](https://openairdocs.org/stc/SA02987CH): Installation of the Electroair Electronic Ignition System. Electroair Acquisition Corporation - [STC SA04586CH](https://openairdocs.org/stc/SA04586CH): Installation of Electroair Back Up Battery Panel System Control. Electroair Aquisition Corp - [STC SA01967WI](https://openairdocs.org/stc/SA01967WI): Use of GAMI G100UL High Octane Unleaded Avgas. General Aviation Modifications Inc - [STC SA04231CH](https://openairdocs.org/stc/SA04231CH): Installation and activation of a TruTrak Vizion autopilot system. Honeywell International Inc - [STC SA02203AK](https://openairdocs.org/stc/SA02203AK): Installation of FlightLogic Synthetic Vision Electronic Flight Information System (EFIS-SV). Genesys Aerosystems 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 SA01818WI](https://openairdocs.org/stc/SA01818WI): Installation of Garmin G5 Electronic Flight Instrument. Garmin International Inc - [STC SA09902AC](https://openairdocs.org/stc/SA09902AC): Installation of BendixKing KFD 900 Flight Display System. Honeywell International Inc. (Bendix King) - [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 SA02265SE](https://openairdocs.org/stc/SA02265SE): 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 All 316: https://openairdocs.org/aircraft/N684MA/stcs.md ## Related - Other Mooney M-20G aircraft: https://openairdocs.org/model/mooney-m-20g/aircraft.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.