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1980 MOONEY M20K 231
Starts from the median asking price of 17 comparable Mooney M20K 231 listings ($149,000), then adjusts for:
- Airframe time +300 hr vs comps -0.6%
- Engine time -956 hr vs comps +7.6%
- ADS-B (71% of comps) +0.8%
- Market supply: 20 for sale of 770 FAA-registered +2.8%
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 | 3,625 hrs |
| Engine time | 166 SMOH |
| Avionics / Autopilot | King KFC200 |
| Avionics / Standby instrument | KI-256 |
| Annual | September 2026 |
| Inspection | Annual |
Description
Intercooler/Merlyn/Speed Brake equipped. Very low time engine. Nice Modern Paint. Ready to work! Priced right!
Modifications
TurboPlus Intercooler, Merlyn Black Magic Wastegate (Upper Deck Pressure Controller), Precise Flight Speed Brakes, JPI EDM-830 Engine Monitor, Hoskins FT-101 Fuel Totalizer, The aircraft is plumbed for Oxygen but the bottle and regulator have been removed (the aircraft comes with a portable oxygen system).
Avionics
Garmin GNX-375 WAAS GPS / ADS-B Transponer (with ADS-B Traffic and Weather). King KFC-200 Autopilot with Altitude Hold and Glide Slope/Glide Path Coupling. King KCS-55A Electric Slaved HSI. King KI-256 Flight Director / ADI. Dual King KY-197 Digitlal Coms. King KN-53 Digital Nav / VOR.
Recommended avionics upgrades
No IFR GPS navigator is listed — a GTN 650Xi is the standard entry point for WAAS/LPV capability.
See prices & suppliers ›Suggestions are based on the panel described in this listing; verify STC approval for this make/model before any installation.
Service Difficulty Reports (SDRs)
Checking FAA service difficulty reports…
Airworthiness Directives (ADs)
Checking airworthiness directives…
How this aircraft compares
Where this Mooney M20K 231 lands versus other Mooney M20K 231 listings on fyiAero.
Price
71st pct$149k · 71st percentile of 17 listings
Airframe time
56th pct3,625 hours total (TTAF) · 56th percentile of 16 listings
Engine time
19th pct166 hours since major overhaul · 19th percentile of 16 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 | 25-0428 |
| Registration # | N3594H |
| Condition | Used |
Airframe
| Total Time | 3,625 |
|---|
Engine
| Engine 1 Time | 166 SMOH |
|---|---|
| Engine TBO | 1800 |
Avionics
| Avionics/Radios | Garmin GNX-375 WAAS GPS / ADS-B Transponer (with ADS-B Traffic and Weather). King KFC-200 Autopilot with Altitude Hold and Glide Slope/Glide Path Coupling. King KCS-55A Electric Slaved HSI. King KI-256 Flight Director / ADI. Dual King KY-197 Digitlal Coms. King KN-53 Digital Nav / VOR. |
|---|
Additional Equipment
| Additional Equipment | TurboPlus Intercooler, Merlyn Black Magic Wastegate (Upper Deck Pressure Controller), Precise Flight Speed Brakes, JPI EDM-830 Engine Monitor, Hoskins FT-101 Fuel Totalizer, The aircraft is plumbed for Oxygen but the bottle and regulator have been removed (the aircraft comes with a portable oxygen system). |
|---|
Inspection Status
| Inspection Status | Annual Inspection Due September 2026. Very Good Maintenance History. Tanks Stripped and Resealed in 2019 by WetWingologists. New Windshield in 2021. New Pilot's Window in 2020. |
|---|
Operating costs & specifications — Mooney M20K 231
Typical model-level figures for the Mooney M20K 231 (not this specific airframe).
Performance & dimensions
| Range | 980 nm |
|---|---|
| Cruise speed | 191 kts · 220 mph |
| Takeoff / landing | 1220.0 / 1147.0 |
About this plane
Single engine piston aircraft with retractable landing gear. The M20K 231 seats up to 3 passengers plus 1 pilot.
Range from base
Still-air range ring — type an aircraft to change it. Compare aircraft on the Range tool ›
Last flight
Actual flight path from FlightAware for N3594H. More flight tracking ›
