1 / 11 · 🔍 click to zoom
1984 MOONEY M20K 231
Starts from the median asking price of 26 comparable MOONEY M20K 231 listings ($154,500), then adjusts for:
- Year +4 vs comparable listings +6.0%
- Airframe time -253 hr vs comps +0.5%
- Engine time -899 hr vs comps +2.7%
- Modern GPS navigator (uncommon in comps) +3.0%
- 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 | 2,965 hrs |
| Engine time | 70 SMOH |
| Prop blades | 3 |
| Avionics / GPS | Garmin GNS 430 |
| Avionics / Transponder | Garmin GTX 345 |
| Avionics / Other | Garmin GNS-430W |
| Annual | May 2027 |
| Inspection | Annual |
| Airworthy | Yes |
Description
1984 Mooney M20K 231 with just 70 SMOH on the engine & Prop! Loaded with the upgrades Mooney buyers look for. Equipped with a 3-blade McCauley prop, speed brakes, Turboplus intercooler, Merlyn Products Wastegate Controller, prop de-ice, built-in oxygen, JPI engine monitor, and extensive upgrades throughout! Fast, efficient, and capable. This well-equipped 231 offers great cross-country performance, strong ramp appeal, and true turnkey!
Modifications
•Speed Brakes by Precise Flight •Three Blade Propeller •Turboplus, Inc. Intercooler System •Turbocharger Differential Pressure Control System •Merlyn Products Wastegate Controller •Hot Prop Deice System •4 Place Oxygen System •Digital Fuel Flow/Totalizer by SDI/Hoskins •EDM-700 Engine Analyzer •Standby Vacuum System •SigtronicsSPA-400 Intercom •Strobe Lights •Polished Spinner •Dual Localizer / Glideslope
Avionics
•Garmin GNS 430 WAAS-GPS/COM/NAV -King HSI •King KX165 NAV/Com –Localizer / Glideslope •King KFC150 Autopilot/Flight Director/Alt Preselect •BF Goodrich WX-900 Stormscope •Garmin GTX-345 Transponder •Sperry Color Radar •King KR 87 ADF •King DME with Nav Selector
How this aircraft compares
Where this MOONEY M20K 231 lands versus other MOONEY M20K 231 listings on fyiAero.
Price
50th pct$154k · 50th percentile of 26 listings
Airframe time
44th pct2,965 hours total (TTAF) · 44th percentile of 27 listings
Engine time
4th pct70 hours since major overhaul · 4th 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 | 1984 |
|---|---|
| Manufacturer | MOONEY |
| Model | M20K 231 |
| Serial Number | 25-0836 |
| Registration # | N5766M |
| Condition | Used |
Airframe
| Total Time | 2,965 |
|---|---|
| Complete Logs | Yes |
Engine
| Engine 1 Make/Model | CONTINENTAL |
|---|---|
| Engine 1 Time | 70 SMOH |
| Engine TBO | 2000 |
Props
| Prop Manufacturer | MCCAULEY |
|---|---|
| Prop Model | D3A32C409-C |
| Prop Time | 70 SNEW |
| Number of Blades | 3 |
Avionics
| Avionics/Radios | •Garmin GNS 430 WAAS-GPS/COM/NAV -King HSI •King KX165 NAV/Com –Localizer / Glideslope •King KFC150 Autopilot/Flight Director/Alt Preselect •BF Goodrich WX-900 Stormscope •Garmin GTX-345 Transponder •Sperry Color Radar •King KR 87 ADF •King DME with Nav Selector |
|---|
Additional Equipment
| Oxygen System | Yes |
|---|---|
| Additional Equipment | •Speed Brakes by Precise Flight •Three Blade Propeller •Turboplus, Inc. Intercooler System •Turbocharger Differential Pressure Control System •Merlyn Products Wastegate Controller •Hot Prop Deice System •4 Place Oxygen System •Digital Fuel Flow/Totalizer by SDI/Hoskins •EDM-700 Engine Analyzer •Standby Vacuum System •SigtronicsSPA-400 Intercom •Strobe Lights •Polished Spinner •Dual Localizer / Glideslope |
Interior
| Year Interior | 2025 |
|---|
Inspection Status
| Inspection Status | •Annual Due: May 2027 •IFR Check Due: October2025 |
|---|---|
| Airworthy | Yes |
