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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 -650 hr vs comps +1.3%
- Engine time -969 hr vs comps +7.8%
- 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 | 2,675 hrs |
| Engine time | 153 SMOH |
| Avionics / Audio panel | GARMIN GMA 340 |
| Avionics / GPS / datalink | Garmin GNS430W, Garmin GNS-530W |
| Avionics / Autopilot | Century 41 |
| Avionics / Datalink weather | GDL-88 |
| Annual | December 2026 |
| Inspection | Annual |
Description
ROCKET!!! ONE OWNER SINCE NEW!!! ALWAYS HANGARED!!! DRY WESTERN US HISTORY!!! This is not your grandaddy's Mooney. Incredible climb rate, and speeds up to 220-225 knots (typical speed is 200 knots even down at lower altitude around 12,000 feet MSL. The 305 Rocket Conversion replaces the 210hp Mooney factory supplied Continental 360ci engine with a fire-breathing Continental 305hp 520ci engine. Nothing beats horsepower when you want to to travel! The 305 Rocket provides the power and speed often reserved for aircraft two to five times the acquisition cost.
Modifications
Rocket Engineering 'Rocket 305' Conversion. Monroy Long Rang Fuel Tanks, Electronics International Fuel Computer / Fuel Totalizer.
Avionics
Garmin GNS-530W WAAS GPS / Nav / Com / Color Map. Garmin GNS-430W WAAS GPS / Nav / Com / Color Map. Garmin GMX-200 Multi-Function Display. Garmin GTX-300ES ADS-B Transponder with Extended Squitter (for flight over FL180). Garmin GDL-88 ADS-B DataLink (ADS-B in and out). Garmin GMA-340 Audio Panel / Intercom. Century 41 Autopilot with Altitude Hold / Glide Slope-Glide Path Coupling. Century NSD-360 HSI.
Recommended avionics upgrades
A GNS 530 is a drop-in upgrade to the GTN 750Xi — bigger touchscreen, WAAS/LPV, and modern nav/comm/MFD.
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
94th pct$189k · 94th percentile of 17 listings
Airframe time
25th pct2,675 hours total (TTAF) · 25th percentile of 16 listings
Engine time
12th pct153 hours since major overhaul · 12th 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 | 25-0307 |
| Registration # | N231MH |
| Condition | Used |
Airframe
| Total Time | 2,675 |
|---|
Engine
| Engine 1 Time | 153 SMOH |
|---|---|
| Engine TBO | 1600 |
Avionics
| Avionics/Radios | Garmin GNS-530W WAAS GPS / Nav / Com / Color Map. Garmin GNS-430W WAAS GPS / Nav / Com / Color Map. Garmin GMX-200 Multi-Function Display. Garmin GTX-300ES ADS-B Transponder with Extended Squitter (for flight over FL180). Garmin GDL-88 ADS-B DataLink (ADS-B in and out). Garmin GMA-340 Audio Panel / Intercom. Century 41 Autopilot with Altitude Hold / Glide Slope-Glide Path Coupling. Century NSD-360 HSI. |
|---|
Additional Equipment
| Additional Equipment | Monroy Long Rang Fuel Tanks, Electronics International Fuel Computer / Fuel Totalizer. |
|---|
Modifications/Conversions
| Modifications/Conversions | Rocket Engineering 'Rocket 305' Conversion. |
|---|
Inspection Status
| Inspection Status | Annual Inspection Due December 2026. IFR Certifications Due September 2026. All Logs. Good Maintenance History. One Owner Since New. |
|---|
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 N231MH. More flight tracking ›
