1979 MOONEY M20K 231
Starts from the median asking price of 26 comparable MOONEY M20K 231 listings ($154,500), then adjusts for:
- Year -1 vs comparable listings -1.5%
- Engine time +740 hr vs comps -2.2%
- Garmin GTN 750Xi (uncommon in comps) +3.5%
- Modern GPS navigator (uncommon in comps) +3.0%
- 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 | 3,218 hrs |
| Engine time | 1709 SMOH |
| Avionics / GPS | Garmin GTN 750Xi |
| Avionics / Transponder | Garmin GTX330 |
| Avionics / Other | Garmin GDL 69A, Garmin GDL 50 |
| Inspection | Annual |
Description
Detailed Description 1979 MOONEY 231- PRICE REDUCED, 3218.4 HOURS TT, 1709.1 SMOH, 504.7 HOURS SINCE NEW MCCAULEY 3 BLADE Propeller, Over $100,000 in avionics! Garmin G3X 10.6" Touchscreen, Garmin GFC 500 3 AXIS with YAW with SMARTGLIDE, Garmin GTN 750XI (DUAL), Garmin GMA 35C Audio Panel W/Bluetooth, Garmin GTX330DES Transponder, Garmin GDL 88 ADSB IN/OUT, Garmin GDL 69A XM Music and Weather, Garmin GDL 50 FOR Traffic on G3X Display, EDM 930 Engine Monitor, Speedbrakes,Turbo Plus Intercooler, Merlin Wastegate, Guardian Co2 Detector, 2014 PAINT AND 2021 INTERIOR, CLICK ON DISPLAY SPECS Page. Annual Inspection - 6/2026 1979 MOONEY M20K 231 N231DD SERIAL NUMBER 25-0155 3218.4 HOURS TOTAL TIME - NO DAMAGE HISTORY 1709.1 HOURS SINCE MAJOR OVERHAUL 4/1993 - Continental TSIO-360-GBI 504.7 HOURS SINCE NEW MCCAULEY 3 BLADE PROPELLER D3A36C430-B (9/2017) 2014 PPG Paint - EXCELLENT CONDITION 8.5/10 2021 ALL LEATHER INTERIOR - BASKETBALL BROWN/ORANGE WITH BLACK CARPET AND TRIM - ALL ROYALITE TRIM COVERED IN MATCHING VINYL - BUCHANANN AIRCRAFT INTERIORS, CONCORD CA 9/10 AVIONICS: Garmin G3X 10.6" TOUCHSCREEN Garmin GFC 500 3 AXIS WITH YAW, ELECTRIC TRIM AND SMARTGLIDE GARMIN GTN 750XI (DUAL) Garmin GMA 35C AUDIO PANEL W/BLUETOOTH Garmin GTX 330DES TRANSPONDER Garmin GDL 88 ADSB IN/OUT RECEIVER Garmin GDL 69A SXM MUSIC AND WEATHER Garmin GDL 50 FOR TRAFFIC ON G3X DISPLAY Garmin GI 260 AOA SYSTEM GUARDIAN AVIONICS AERO 452-201-011 (DISPLAYS ON G3X) JPI EDM 930 ENGINE MONITOR CEIS FUEL SENDERS EQUIPMENT: MCCAULEY 3 BLADE SCIMITAR PROPELLER PRECISE FLIGHT SPEED BRAKES TURBO PLUS INTERCOOLER MERLIN WASTEGATE GUARDIAN CO2 CARBON MONOXIDE DETECTOR WHELEN LED NAV/STROBE LIGHTS WHELEN LED LANDING LIGHTS WHELEN LED BEACON LIGHT JET SHADES ROSEN SUNVISORS A&P/IA Owned for LAST 10 Years FRESH ANNUAL INSPECTION - 6/2026 Absolutely beautiful 1979 MOONEY 231 - 3218 HOURS TT, 1709 SMOH, 504 HOURS SINCE NEW MCCAULEY 3 BLADE Propeller. Over $100,000 in avionics! A&P/AI owned for last 10 years in Minden NV.
Modifications
Continental TSIO-360-GBI 1709.1 Hours since major overhaul 4/1993 504.7 Hours Since NEW McCauley 3 Blade Propeller D3A36C430-B (9/2017)
Avionics
Garmin G3X 10.6" TOUCHSCREEN Garmin GFC 500 3 AXIS with YAW, Electric trim and Smartglide Garmin GTN 750XI (DUAL) Garmin GMA 35C Audio Panel W/Bluetooth Garmin GTX 330DES Transponder Garmin GDL 88 ADSB IN/OUT Receiver Garmin GDL 69A SXM Music and Weather Garmin GDL 50 for Traffic ON G3X Display Garmin GI 260 AOA System GUARDIAN AVIONICS AERO 452-201-011 (Displays on G3X) JPI EDM 930 Engine Monitor CEIS Fuel Senders
How this aircraft compares
Where this MOONEY M20K 231 lands versus other MOONEY M20K 231 listings on fyiAero.
Price
88th pct$185k · 88th percentile of 26 listings
Airframe time
56th pct3,218 hours total (TTAF) · 56th percentile of 27 listings
Engine time
96th pct1,709 hours since major overhaul · 96th 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.
