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1979 Mooney M20K 231Single-Engine Piston Aircraft • Upland, CA, USA

This beautifully maintained 1979 Mooney M20K 231, registration N231BZ, serial number 25-0142, is offered for $189,900 and is located in Upland, California. Hangared and meticulously owned with complete logs, the airframe has accumulated 3,656 total hours. The aircraft has a no-damage history (NDH) per the seller. The Continental TSIO-360-GB engine has 950 hours since major overhaul, with 40 hours since a top end overhaul performed by KNK Aviation that included new factory Continental cylinders installed in December 2025. The McCauley two-blade aluminum propeller also has 950 hours since overhaul. A strong maintenance regimen includes oil...

Year
1979
Make
Mooney
Series
M20
Model
M20K 231
Tail #
N231BZ
Serial #
25-0142

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Specifications

Category
Single-Engine Piston
Intended Use
Business, Recreational
Flight Rules
IFR
Seats
4

Hours, Logs & Inspections

Total Time
3,656 hrs
Engine 1 Time
950 hrs (TSMOH)
Prop 1 Time
950 hrs
Logbook Status
Complete Logs
Inspection Status
Annual Inspection Due 12/2026. Pitot Static and Transponder C/W 03/2026.

Avionics

GPS

Garmin GTN 650 - WASS GPS/Nav/Com

Comms

Garmin GX 255A - Nav/Com

AP

Garmin GFC 500 - Autopilot

Traffic

Garmin GTX 345 - Transponder with ADSB In/Out

ADSB

Garmin GTX 345 - Transponder with ADSB In/Out

ADS-B In

Garmin GTX 345 - Transponder with ADSB In/Out

PFD

Garmin GI 275 - ADI

MFD

Garmin GI 275 - HSI

EMS

Garmin EDM 830 - with 6 Each EGT and CHT, TIT, Fuel Computer, OP, OT, OAT, Manifold Pressure, Tachometer and Horsepower Calculator

Audio

Garmin GI 275 - Indicator for GX-255A

Additional Equipment

Oxygen System

4 Place Portable Oxygen Tank

Exterior Lighting

LED Wingtip Strobes / Anticollision Light, LED Belly Strobe

USB Power

USB Power Outlets

Interior & Exterior

Interior Year
2004
Paint Year
2006
Interior Notes
New in 2004 Black Tweed Seats and Black Carpets. Very Good Condition. Sheep Skin Covered Front Seats. Back Seat – 'Like New'
Exterior Notes
Stripped and Repainted in 2006. Classic Mooney Scheme in Ice Silver with Black and Red Trim. Owner has the aircraft Ceramic Coated every year. Very Good Condition.

Engine & Propeller

Engine Type
Piston
Engine Count
1
Engine Make
Continental
Engine Model
TSIO-360-GB
Engine Power
210 HP
Propeller Model
McCAuley

Asking Price

$189,900

Aircraft Location

Upland, CA, USA

Listing Details

Used
For Sale

Price History

Apr 16, 2026: $189,900 - trade-a-plane

Apr 16, 2026: $189,900(-$9,100) - controller

Jan 20, 2026: $199,000 - controller

Contact Seller

First Seen: Jan 20, 2026

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Asking Price

$189,900