# N123L: 1962 Mooney M20B

- Status: Valid registration
- Airframe: [Mooney M20B](https://openairdocs.org/model/mooney-m20b) (registry code 5870206, 4 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Data sheets: [TCDS 2A3](https://openairdocs.org/tcds/2A3) (Mooney International Corporation) (OpenAirDocs)
- Serial number: 1808
- Year built: 1962
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, research and development
- Airworthiness date: April 29, 1991
- Certificate issued: October 5, 2000
- Expires: September 30, 2028
- Mode S code: A05FD1
- Registered owner: [Bloomfield Roger D](https://openairdocs.org/faa-owner/BLOOMFIELD%20ROGER%20D)
- Location: [Nathrop, CO](https://openairdocs.org/faa-place/CO/Nathrop)
- Owner type: Individual
- Owner's area on the map: 38.6710° N, 106.2563° W: Placed by OpenAirDocs at the center of ZIP code 81236, within about 7 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=123L
- Page: https://openairdocs.org/aircraft/N123L

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): 18 in force

### Matched by airframe (Mooney M20B)

- [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 98-24-11](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 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 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
- [AD 61-22-07](https://openairdocs.org/ad/61-22-07): Fuel and Oil Pressure Gage Lines · Mooney M20, M20A and M20B. Effective Nov 2, 1961

### Matched by engine (Amateur-built UNKNOWN ENG)

None in force.

## Information bulletins (advisory) (5 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
- [SAIB CE-09-38](https://openairdocs.org/saib/CE-09-38): Wings: Installation of Supplemental Type Certificate (STC) Wing Tip Fairings. Issued Jul 7, 2009

## NTSB investigations (1)

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 OAK78DVG02](https://openairdocs.org/ntsb/OAK78DVG02), Oct 21, 1977: Mooney M-20B (N123L), Georgetown, CA, substantial damage

## 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.

- [Accident 19771021032719A](https://openairdocs.org/incident/19771021032719A), Oct 21, 1977: Mooney M20B (N123L), Georgetown, CA, Substantial damage. Radio activated rwy lites would not remain on.

## 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) (274, 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 M20B)

- [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 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 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 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 SA4402NM](https://openairdocs.org/stc/SA4402NM): Installation of single piece windshield. LASAR Inc
- [STC SA4443NM](https://openairdocs.org/stc/SA4443NM): Installation of gap seals and speed fairings involving 10 kits. LASAR Inc
- [STC SA4535NM](https://openairdocs.org/stc/SA4535NM): Installation of a cowl closure fairing. 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
- [STC SA02426AK](https://openairdocs.org/stc/SA02426AK): Approval of the FreeFlight FDL-978-TX ADS-B system installed. FreeFlight Systems
- [STC SA00410BO](https://openairdocs.org/stc/SA00410BO): Installation of an AV-30-C Multi-Mode Indicator. uAvionix Corporation
- [STC SA03333NY](https://openairdocs.org/stc/SA03333NY): Installation of a replacement thermoplastic cabin sidewalls with new thermoplastic sidewalls,. Wisconsin Aviation Inc
- [STC SA01831WI](https://openairdocs.org/stc/SA01831WI): To allow the use of UL91 (minimum) grade aviation fuel. Petersen Aviation Inc
- [STC SA10236SC](https://openairdocs.org/stc/SA10236SC): Installation of a GDC 31 Roll Steering Converter. DAC International Inc

All 274: https://openairdocs.org/aircraft/N123L/stcs.md

## Related

- Other Mooney M20B aircraft: https://openairdocs.org/model/mooney-m20b/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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