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1980 MOONEY M20K 231
Starts from the median asking price of 26 comparable MOONEY M20K 231 listings ($154,500), then adjusts for:
- Airframe time +492 hr vs comps -1.0%
- Engine time +281 hr vs comps -0.8%
- Market supply: 31 for sale of 770 FAA-registered +1.0%
Shown as a range. An estimate from asking-price comparables and FAA supply data — not an appraisal.
Overview
| Make / Model | MOONEY M20K 231 |
|---|---|
| Type | Single-Engine Piston |
| Airframe time | 3,710 hrs |
| Engine time | 1,250 SFRM |
| Prop blades | 2 |
| Avionics / Transponder | Garmin GTX330 |
| Avionics / Other | King KX-155, Garmin GTN 650 |
| ADS-B | Yes |
| Annual | April 2027 |
| Inspection | Annual |
Description
This one has the big three that everyone desires on a 231: Intercooler, Merlyn and Speed Brakes. Nice Panel with GTN-650 and JPI EDM-900 (Primary).
Modifications
JP Instruments EDM-900 Primary Instrument (Solid State Digital Replacemennt of all of the original temperature, power and fuel instrumentation), Airflow InterCooler, Merlyn Upper Deck Pressure Controller (Automatic Wastegate), New Generation Precise Flight Electric Speed Brakes, JP Instruments EDM-700 Graphic and Digital Engine Monitor, Electronics International Digital Tach, Rosen Sun Visors, Digital TIT, Dual Ski Tubes, Wing Sight Fuel Gauges, Handheld Com Jack, External Power Receptacle, 4-Place Shoulder Harnesses, Avionics Master, Dual Yoke Mounted PTT, Electric Trim.
Avionics
Garmin GTN-650 Touchscreen WAAS GPS / Nav / Com / FMS. Garmin GTX-330ES ADS-B Transponder with Ext. Squitter (>FL180) Garmin GMA-340 Audio Panel / Intercom with Markers. King KX-155 Digital Nav / Com. King KCS-55A Slaved HSI with Glide Slope Indicator. King KFC-200 AutoPilot with Altitude Hold and Flight Director.
How this aircraft compares
Where this MOONEY M20K 231 lands versus other MOONEY M20K 231 listings on fyiAero.
Price
62nd pct$155k · 62nd percentile of 26 listings
Airframe time
67th pct3,710 hours total (TTAF) · 67th percentile of 27 listings
Engine time
74th pct1,250 hours since factory reman · 74th percentile of 27 listings
Percentile = share of comparable listings at or below this value. Lower airframe/engine hours are generally fresher; price reflects the asking price only.
General
| Year | 1980 |
|---|---|
| Manufacturer | MOONEY |
| Model | M20K 231 |
| Serial Number | 25-0271 |
| Registration # | N231HY |
| Condition | Used |
Airframe
| Total Time | 3,710 |
|---|
Engine
| Engine 1 Make/Model | CONTINENTAL TSIO360LB1 |
|---|---|
| Engine 1 Time | 1,250 SFRM |
| Engine TBO | 1800 |
Props
| Prop Manufacturer | MCCAULEY |
|---|---|
| Prop Time | 675 |
| Number of Blades | 2 |
Avionics
| ADS-B Equipped | Yes |
|---|---|
| WAAS | Yes |
| Avionics/Radios | Garmin GTN-650 Touchscreen WAAS GPS / Nav / Com / FMS. Garmin GTX-330ES ADS-B Transponder with Ext. Squitter (>FL180) Garmin GMA-340 Audio Panel / Intercom with Markers. King KX-155 Digital Nav / Com. King KCS-55A Slaved HSI with Glide Slope Indicator. King KFC-200 AutoPilot with Altitude Hold and Flight Director. |
Additional Equipment
| Additional Equipment | JP Instruments EDM-900 Primary Instrument (Solid State Digital Replacemennt of all of the original temperature, power and fuel instrumentation), Airflow InterCooler, Merlyn Upper Deck Pressure Controller (Automatic Wastegate), New Generation Precise Flight Electric Speed Brakes, JP Instruments EDM-700 Graphic and Digital Engine Monitor, Electronics International Digital Tach, Rosen Sun Visors, Digital TIT, Dual Ski Tubes, Wing Sight Fuel Gauges, Handheld Com Jack, External Power Receptacle, 4-Place Shoulder Harnesses, Avionics Master, Dual Yoke Mounted PTT, Electric Trim. |
|---|
Inspection Status
| Inspection Status | Annual Due April 2027 (Henry Weber). Good Maintenance History. |
|---|
