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1979 Mooney M20K 231Single-Engine Piston Aircraft • Spring Branch, TX, USA

This 1979 Mooney M20K 231, registered as N231BZ, presents as a well-equipped and maintained turbocharged platform with 3,630 hours total time on the airframe. The aircraft benefits from a recent major inspection status, with its next annual due in December 2026, and the fuel tanks were stripped and resealed in 2016. Its Continental TSIO-360-GB engine has 924 hours since major overhaul, with 45 hours since a complete top overhaul that included brand new Continental cylinders, operating within a 1,800-hour TBO. The propeller, a McCauley 2-blade unit, also has 924 hours since overhaul.

The panel is notably loaded with modern Garmin avionics,...

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

Hours, Logs & Inspections

Total Time
3,630 hrs
Engine 1 Time
924 hrs (SMOH)
Prop 1 Time
924 hrs (SPOH)
Inspection Status
Annual Due December 2026. Fuel tanks stripped and resealed in 2016 by Houston Tank Specialists.

Avionics

GPS

Garmin GTN 650 - Touchscreen WAAS GPS Nav Com FMS

Comms

Garmin GX 255A - Nav Com

Autopilot

Garmin GFC 500 - Autopilot

ADS-B Out

Garmin GTX 345 - (ADS-B and Out)

ADS-B In

Garmin GTX 345 - (ADS-B and Out)

PFD

Garmin GI 275 - ADI. HSI. Indicator for GX-255A

Additional Equipment

Speed Brakes

Precise Flight Speed Brakes

Intercooler

TurboPlus Intercooler

Wastegate

Merlyn Upper Deck Pressure Controller - (Wastegate)

Engine Monitor

JPI EDM 830 - JPI Color Graphic and Digital Engine Monitor (6 Each EGT and CHT, TIT, Fuel Computer, OP, OT, OAT, Manifold Pressure, Tachometer and Horsepower Calculator)

Oxygen System

4-Place Portable Oxygen Tank Available

Interior & Exterior

Interior Year
2004
Paint Year
2006
Interior Notes
Black Tweed Seats and Black Carpets, Refurbished in 2004. Good Condition.
Exterior Notes
Classic Mooney Scheme in Ice Silver with Black and Red Trim. Stripped and Repainted in 2006. Owner has the aircraft Ceramic Coated every year.

Engine & Propeller

Engine Type
Piston
Engine Count
1
Engine Make
Continental
Engine Model
TSIO-360-GB
Engine Power
210 HP
Propeller Model
McCauley 2-Blade

Asking Price

$199,000

Aircraft Location

Spring Branch, TX, USA

Listing Details

Used
For Sale

Price History

Jan 20, 2026: $199,000 - controller

Contact Seller

First Seen: Jan 20, 2026

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Asking Price

$199,000