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1981 MOONEY M20K 231
Starts from the median asking price of 20 comparable Mooney M20K 231 listings ($149,000), then adjusts for:
- Year +1 vs comparable listings +1.5%
- Airframe time -1,457 hr vs comps +2.9%
- Engine time -260 hr vs comps +2.1%
- Garmin GTN 650 (25% of comps) +8.3%
- ADS-B (65% of comps) +0.9%
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 | 1,702 hrs |
| Engine time | 634.2 STOH |
| Prop blades | 2 |
| Avionics / GPS | Garmin GTN 650 |
| Avionics / Primary flight display | Aspen EFD1000 |
| ADS-B | Yes |
| Annual | June 2026 |
| Inspection | Annual |
Description
REACH OUT WITH ANY QUESTIONS 1981 Mooney offered for sale with 1,702 hours total time. The aircraft is located in Homestead, Florida, and has an annual inspection completed in June 2026. Power is provided by a Continental TSIO-360-LB1B engine, serial number 901301-H, with 634.2 hours STOH. Reported cylinder compressions are 68/80, 70/80, 65/80, 62/80, 66/80, and 72/80. The aircraft is equipped with a McCauley 2A34C216 two-blade propeller with 0 hours reported. The panel features an upgraded Aspen avionics suite, including an Aspen EFD1000 Pro PFD and Aspen EFD500 MFD. Navigation and communications are handled through a Garmin GTN 650 GPS/Nav/Com, and a Garmin transponder is installed. The aircraft is also equipped with an autopilot, although the manufacturer and model were not provided. The interior is reported to be in 7/10 condition. With relatively low reported airframe time, updated glass-panel avionics, Garmin navigation capability, and a recent annual inspection, this Mooney offers a solid combination of performance, equipment, and ownership appeal.
Modifications
Equipped with Aspen EFD1000 Pro PFD, Aspen EFD500 MFD, and Garmin GTN 650 avionics upgrades. No additional airframe modifications or conversions were provided.
Avionics
Aspen Avionics EFD1000 Pro PFD with EFD500 MFD and Garmin GTN 650 GPS/Nav/Com. Garmin transponder installed. Aircraft is also equipped with an autopilot; manufacturer and model were not provided.
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
35th pct$129k · 35th percentile of 20 listings
Airframe time
11th pct1,702 hours total (TTAF) · 11th percentile of 19 listings
Engine time
42nd pct634 hours since top overhaul · 42nd percentile of 19 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 | 1981 |
|---|---|
| Manufacturer | MOONEY |
| Model | M20K 231 |
| Condition | Used |
| FlightRules | IFR |
Airframe
| Total Time | 1,702 |
|---|---|
| Complete Logs | Yes |
Engine
| Engine 1 Make/Model | CONTINENTAL TSIO360LB1B |
|---|---|
| Engine Serial Number | 901301-h |
| Engine 1 Time | 634.2 STOH |
| Engine TBO | 1800 |
| Turbocharged | Yes |
Props
| Prop Manufacturer | MCCAULEY |
|---|---|
| Prop Model | 2A34C216 |
| Prop Time | 0 SNEW |
| Number of Blades | 2 |
Avionics
| Primary Flight Display 1 Manufacturer/Model | ASPEN AVIONICS EFD1000 PRO PFD |
|---|---|
| Multi-Function Display 1 Manufacturer/Model | ASPEN AVIONICS EFD1000 PRO PFD + EFD500 MFD |
| GPS 1 Manufacturer/Model | GARMIN GTN 650 |
| Transponder 1 Manufacturer/Model | GARMIN |
| Auto Pilot | Yes |
| ADS-B Equipped | Yes |
| WAAS | Yes |
| LPV | Yes |
| Avionics/Radios | Aspen Avionics EFD1000 Pro PFD with EFD500 MFD and Garmin GTN 650 GPS/Nav/Com. Garmin transponder installed. Aircraft is also equipped with an autopilot; manufacturer and model were not provided. |
Modifications/Conversions
| Modifications/Conversions | Equipped with Aspen EFD1000 Pro PFD, Aspen EFD500 MFD, and Garmin GTN 650 avionics upgrades. No additional airframe modifications or conversions were provided. |
|---|
Inspection Status
| Inspection Status | Annual inspection completed June 2026. |
|---|
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
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