1981 MOONEY M20K 231
Starts from the median asking price of 26 comparable MOONEY M20K 231 listings ($154,500), then adjusts for:
- Year +1 vs comparable listings +1.5%
- Airframe time -1,047 hr vs comps +2.1%
- Engine time -649 hr vs comps +1.9%
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 | 2,171 hrs |
| Engine time | 320 SMOH |
| Prop blades | 3 |
| Avionics / Transponder | Trig TT31 |
| Avionics / Other | Garmin GPS 175 |
| Annual | June 2026 |
| Inspection | Annual |
| Airworthy | Yes |
Description
Private aircraft, currently hangared at Arezzo Airport, Italy Probably 4 owners since new See Video on this link: Fuel Capacity: 75 USG / 298 liters MTOW: 2900 Lbs Empty Weight: 2036.67 Lbs Cruise Performance: 155 kt TAS at FL 130, 12.2 USG per Hour With the 3 bladed propeller he lost around 6 kts, but the aircraft can land and take off in around 200 meters and the climb rate has improved. Specifications subject to verification by purchaser. Price subject to change at any time and without notice. Aircraft subject to removal from the market at any time and without notice.
Modifications
Garmin GPS175 WAAS, EASA STC 100H756RI, LPV-PBN, SBAS Certified Green Tinted Windows Scott 3HT Oxygen Cylinder, currently out of service Baggage Door Inside Latch Modification SBM20-239 Sky-Tec C12ST5 Light Weight Starter Cabin Portable Fire Extinguisher First Aid Kit Concorde RG35AXC Battery, installed in 2021
Avionics
Garmin GMA340 Audio Panel / Marker Beacon King KX165A 8.33 kHz VHF NAV COM King KY97 VHF COM King KA155 FM Immunity Filter Garmin GPS175 WAAS, EASA STC 100H756RI, LPV-PBN, SBAS Certified King KNS80 R-NAV King KR87 ADF with KI227 Indicator with RMI King KCS55 HSI King KFC200 Autopilot Go Around Button Trig TT31 Transponder 406 mHz ELT With Remote Switch on Instrument PAnel 3M WX11 Stormscope Hoskins FT101 Fuel Flow Indicator with Memory Switch Davtron Digital Clock/OAT/BAT / Voltage Indicator JPI EDM 700 Engine Analyzer / Totalizer Indicator Two Altimeters Copilot Attitude Indicator
How this aircraft compares
Where this MOONEY M20K 231 lands versus other MOONEY M20K 231 listings on fyiAero.
Price
27th pct$139k · 27th percentile of 26 listings
Airframe time
7th pct2,171 hours total (TTAF) · 7th percentile of 27 listings
Engine time
22nd pct320 hours since major overhaul · 22nd 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 | 1981 |
|---|---|
| Manufacturer | MOONEY |
| Model | M20K 231 |
| Serial Number | 25-0597 |
| Registration # | I-MUNI |
| Condition | Used |
| FlightRules | IFR |
| Based at | Arezzo |
Airframe
| Total Time | 2,171 |
|---|---|
| Max Takeoff Weight | 2,900 lb |
| Basic Empty Weight | 2,036.67 lb |
| Fuel Capacity Volume | 75 gal |
| Complete Logs | Yes |
Engine
| Engine 1 Make/Model | CONTINENTAL TSIO360LB1 |
|---|---|
| Engine Serial Number | 247306-R |
| Engine Horsepower | 210 HP |
| Engine 1 Time | 320 SMOH |
| Engine TBO | 1800 |
| Year Engine Overhauled or Installed as New | 2022 |
| Turbocharged | Yes |
Props
| Prop Manufacturer | MT |
|---|---|
| Prop Model | MTV-12-D |
| Prop Time | 320 SNEW |
| Number of Blades | 3 |
| Blade Composition | Composite |
| Swept Blade Propellers | Yes |
Avionics
| WAAS | Yes |
|---|---|
| LPV | Yes |
| Engine Monitor | Yes |
| Avionics/Radios | Garmin GMA340 Audio Panel / Marker Beacon King KX165A 8.33 kHz VHF NAV COM King KY97 VHF COM King KA155 FM Immunity Filter Garmin GPS175 WAAS, EASA STC 100H756RI, LPV-PBN, SBAS Certified King KNS80 R-NAV King KR87 ADF with KI227 Indicator with RMI King KCS55 HSI King KFC200 Autopilot Go Around Button Trig TT31 Transponder 406 mHz ELT With Remote Switch on Instrument PAnel 3M WX11 Stormscope Hoskins FT101 Fuel Flow Indicator with Memory Switch Davtron Digital Clock/OAT/BAT / Voltage Indicator JPI EDM 700 Engine Analyzer / Totalizer Indicator Two Altimeters Copilot Attitude Indicator |
Additional Equipment
| Oxygen System | Yes |
|---|---|
| Additional Equipment | Green Tinted Windows Scott 3HT Oxygen Cylinder, currently out of service Baggage Door Inside Latch Modification SBM20-239 Sky-Tec C12ST5 Light Weight Starter Cabin Portable Fire Extinguisher First Aid Kit Concorde RG35AXC Battery, installed in 2021 |
Modifications/Conversions
| Modifications/Conversions | Garmin GPS175 WAAS, EASA STC 100H756RI, LPV-PBN, SBAS Certified |
|---|
Interior
| Year Interior | 2015 |
|---|---|
| Number of Seats | 4 |
| Configuration | Passenger |
Exterior
| Year Painted | 2015 |
|---|
Inspection Status
| Inspection Status | 100 hours annual inspection completed 06/2026 ARC Renewed June 2026 Magnetos overhauled June 2026 |
|---|---|
| Airworthy | Yes |
