1979 Mooney M20K 231Single-Engine Piston Aircraft • Waco, TX, USA
This 1979 Mooney M20K 231, registered as N231DB, presents a well-maintained airframe with 3,257 hours on the Hobbs meter and a mid-time engine. The Continental TSIO-360-LB1 engine has approximately 1,019 hours since its complete overhaul in 2007, against a 1,800-hour TBO. A significant $32,000 panel upgrade in 2013 is centered around a Garmin GTN 750 WAAS GPS/NAV/COM, integrated with a Garmin GTX 32 Mode S transponder and a GDL 88 for ADS-B Out & In with weather datalink and traffic. The aircraft is equipped for full IFR flight with an EIS UBG-16 engine monitor, though the Century 41 autopilot is noted as inoperative.
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Specifications
- Category
- Single-Engine Piston
- Intended Use
- Business, Recreational
- Flight Rules
- VFR & IFR
- Seats
- 4
Hours, Logs & Inspections
- Total Time
- 3,257 hrs
- Engine 1 Time
- 1,019 hrs
- Prop 1 Time
- 10 hrs
- Logbook Status
- Logs available for serious buyers and pre-purchase inspection
- Inspection Status
- Dugosh Annual August 2025, Aircraft currently airworthy
Avionics
GPS
Garmin GTN 750 - GTN NAV/COM/GPS w/ WAAS Glideslope
Comms
Garmin GTN 750 - GTN NAV/COMM, GTX NAV/COM
AP
Century 41 - Auto Pilot with Directional Gyro and Heading Indicator Altitude Attitude Hold w/NAV/HDG/APR/REV Modes (inoperative)
Audio
Garmin GMA-35 - Remote Audio Intercom (integrated w/GTN 750), 4-Place Intercom System w/Pilot/Co-Pilot Isolation
Weather
Garmin GDL-88 - WX Data-Link w/FIS-B (integrated w/GTN 750)
Traffic
Garmin Active Traffic - TIS-B System (integrated w/GTN 750)
ADSB
Garmin GDL-88 - GDL ADS-B Out Weather Datalink
ADS-B In
ADS-B In & Out
MFD
Garmin GTN 750 MFD - 7.2" High Resolution Multi-Function Display GTN
EMS
Electronics International UBG-16 - EIS Engine Monitor, Inc. w/EGT/CHT/TIT/Fuel Flow
Additional Equipment
Interior
New leather interior 2007
Exterior
Painted 2007
Landing Lights
Whelen Parmetheus Plus - LED Landing Beam and Taxi Spreader Lights 14V 1.2 Amps (4.38" Round)
Navigation Lights
Whelen OR650 - LED Orion LED Wing Tip/Position/NAV and Strobe Lights and Tail Strobe
Beacon
Bottom-Mounted Red Rotating Beacon
Instrument Lighting
Internally-Lighted Instruments w/LED Flood
Windows
Great Lakes Aero - Window Replacements 3/16", New side windows 2013
Sun Visors
Rosen - Visors
Propeller
Two-Blade Prop 2025 overhaul
Pitot Tube
Heated Pitot
Tires
New Main tires 2025
Battery
12-Volt 15.5 Amp/Hour Battery, New battery 2025
Tachometer
Horizon P-1000 - Digital Tachometer Mag Check
Interior & Exterior
- Interior Year
- 2007
- Paint Year
- 2007
- Interior Notes
- Leather upholstery in 2007, good condition, Some cracking of interior window plastic
- Exterior Notes
- Painted in 2007, good condition
Engine & Propeller
- Engine Type
- Piston
- Engine Count
- 1
- Engine Make
- Continental
- Engine Model
- TSIO-360-LB1
- Engine Power
- 210 HP
Asking Price
$149,000
Aircraft Location
Waco, TX, USA
Listing Details
- Used
- For Sale
Price History
Feb 4, 2026: $149,000 - trade-a-plane
Contact Seller
Asking Price
$149,000
Aircraft Location
Waco, TX, USA
Listing Details
- Used
- For Sale
Price History
Feb 4, 2026: $149,000 - trade-a-plane
Contact Seller
Similar Mooney M20 Aircraft For Sale
1979 Mooney M20K 231
- Total Time
- 3,472 hrs
- Engine Time
- 633 hrs
- Prop Time
- 633 hrs
- Tail #
- N231L
- Flight Rules
- IFR
- Useful Load
- 973 lbs
1979 Mooney M20K 231
- Total Time
- 1,650 hrs
- Engine Time
- 570 hrs
- Prop Time
- Unspecified
- Tail #
- N3928H
- Flight Rules
- Unspecified
- Useful Load
- 920 lbs
1979 Mooney M20K 231
- Total Time
- 3,630 hrs
- Engine Time
- 924 hrs
- Prop Time
- 924 hrs
- Tail #
- N231BZ
- Flight Rules
- Unspecified
- Useful Load
- Unspecified
1980 Mooney M20K 231
- Total Time
- 3,625 hrs
- Engine Time
- 166 hrs
- Prop Time
- 166 hrs
- Tail #
- N3594H
- Flight Rules
- IFR
- Useful Load
- Unspecified
1980 Mooney M20K 231
- Total Time
- 3,450 hrs
- Engine Time
- 1,033 hrs
- Prop Time
- 960 hrs
- Tail #
- N231MU
- Flight Rules
- Unspecified
- Useful Load
- Unspecified
1980 Mooney M20K 231
- Total Time
- 3,150 hrs
- Engine Time
- 1,375 hrs
- Prop Time
- 525 hrs
- Tail #
- N888BC
- Flight Rules
- VFR & IFR
- Useful Load
- 945 lbs
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Asking Price
$149,000