1979 MOONEY M20K 231
Starts from the median asking price of 17 comparable Mooney M20K 231 listings ($149,000), then adjusts for:
- Year -1 vs comparable listings -1.5%
- Airframe time +1,475 hr vs comps -3.0%
- 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 | 4,800 hrs |
| Engine time | 1,124 SFRM |
| Avionics / Nav / com radio | Garmin SL30 |
| Avionics / GPS / datalink | Garmin GNS430W |
| Avionics / Autopilot | Century 41 |
| Annual | January 2027 |
| Inspection | Annual |
Description
PRICED... TO... SELL... Loaded up with all the mods you want on the 231 (Intercooler, Merlyn wastegate, Speed Brakes, GAMIs). Nicely equipped in the panel also. Very clean, nice cosmetics. Ready to work!!!
Modifications
JP Instruments EDM-900 Primary Power/Fuel/Temperature Instrument (all old equipment remove and replaced with a modern solid state primary all-in-one gauge), Standby Attitude Indicator, Intercooler, GAMI TurboJectors, Airflow Systems Intercooler, Merlyn Upper Deck Pressure Controller (Wastegate), Precise Flight Speed Brakes, LED Landing and Taxi Lights, Green LED Under Panel Lights.
Avionics
Dual Aspen Max PFD/MFD (with all options including AOA and Syth Vis). Garmin GNS-430W WAAS GPS / Nav / Com / Color Map. Garmin GTX-345 (ADS-B In and Out). Garmin SL-30 Digital SlimLine Nav / Com. Century 41 Autopilot (Completely Overhauled in 2023) with Altitude Hold and Glide Slope / Glide Path Coupling. P.S. Engineering PMA8000BT Audio Panel / Intercom / Marker Receiver with Bluetooth Interface.
Recommended avionics upgrades
A GNS 430 upgrades naturally to the GTN 650Xi — same footprint, touchscreen GPS/nav/comm with LPV approaches.
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
94th pct4,800 hours total (TTAF) · 94th percentile of 16 listings
Engine time
56th pct1,124 hours since factory reman · 56th 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 | 1979 |
|---|---|
| Manufacturer | MOONEY |
| Model | M20K 231 |
| Serial Number | 25-0091 |
| Registration # | N231HB |
| Condition | Used |
Airframe
| Total Time | 4,800 |
|---|
Engine
| Engine 1 Time | 1,124 SFRM |
|---|---|
| Engine TBO | 1800 |
Avionics
| Avionics/Radios | Dual Aspen Max PFD/MFD (with all options including AOA and Syth Vis). Garmin GNS-430W WAAS GPS / Nav / Com / Color Map. Garmin GTX-345 (ADS-B In and Out). Garmin SL-30 Digital SlimLine Nav / Com. Century 41 Autopilot (Completely Overhauled in 2023) with Altitude Hold and Glide Slope / Glide Path Coupling. P.S. Engineering PMA8000BT Audio Panel / Intercom / Marker Receiver with Bluetooth Interface. |
|---|
Additional Equipment
| Additional Equipment | JP Instruments EDM-900 Primary Power/Fuel/Temperature Instrument (all old equipment remove and replaced with a modern solid state primary all-in-one gauge), Standby Attitude Indicator, Intercooler, GAMI TurboJectors, Airflow Systems Intercooler, Merlyn Upper Deck Pressure Controller (Wastegate), Precise Flight Speed Brakes, LED Landing and Taxi Lights, Green LED Under Panel Lights. |
|---|
Inspection Status
| Inspection Status | Annual Inspection Due January 2027. Good Maintenance History. |
|---|
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 N231HB. More flight tracking ›
