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1980 MOONEY M20K 231
Starts from the median asking price of 26 comparable MOONEY M20K 231 listings ($154,500), then adjusts for:
- Airframe time -543 hr vs comps +1.1%
- Engine time -816 hr vs comps +2.4%
- 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 | 2,675 hrs |
| Engine time | 153 SMOH |
| Avionics / Other | Garmin GNS-430W, Garmin GNS-530W |
| 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.
How this aircraft compares
Where this MOONEY M20K 231 lands versus other MOONEY M20K 231 listings on fyiAero.
Price
96th pct$189k · 96th percentile of 26 listings
Airframe time
19th pct2,675 hours total (TTAF) · 19th percentile of 27 listings
Engine time
11th pct153 hours since major overhaul · 11th 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 | 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. |
|---|
