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1980 Mooney M20K 231Single-Engine Piston Aircraft • TX, USA

This 1980 Mooney M20K 231 (N3594H) presents as a well-equipped turbocharged single with several performance-enhancing modifications and a low-time engine. The airframe shows 3,625 total hours, while the Continental TSIO-360-LB engine has only 166 hours since major overhaul (against a 1,800-hour TBO), paired with an MT lightweight 3-blade composite propeller featuring de-icing capability. The aircraft benefits from a TurboPlus intercooler, Merlyn Black Magic wastegate controller, and Precise Flight speed brakes for enhanced performance management.

Avionics include a modern Garmin GNX-375 WAAS GPS/ADS-B transponder with traffic and weather...

Year
1980
Make
Mooney
Series
M20K
Model
M20K 231
Tail #
N3594H
Serial #
25-0428

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Specifications

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

Hours, Logs & Inspections

Total Time
3,625 hrs
Engine 1 Time
166 hrs (SMOH)
Prop 1 Time
166 hrs (SOH)
Inspection Status
Annual Inspection Due May 2025. Very Good Maintenance History. Tanks Stripped and Resealed in 2019 by WetWingologists. New Windshield in 2021. New Pilot's Window in 2020.

Avionics

GPS

Garmin GNX-375 - WAAS GPS ADS-B Transponder (with ADS-B Traffic and Weather)

Autopilot

King KFC-200 - Autopilot with Altitude Hold and Glide Slope/Glide Path

Comms

King KY-197 - Dual Digital Coms

NAV

King KN-53 - Digital Nav VOR

PFD

King KI-256 - Flight Director ADI

HSI

King KCS-55A - Electric Slaved HSI

EMS/EIS

JPI EDM-830 - JPI Engine Monitor

Additional Equipment

Intercooler

TurboPlus Intercooler

Wastegate

Merlyn Black Magic Wastegate (Upper Deck Pressure Controller)

Speed Brakes

Precise Flight Speed Brakes

Fuel Totalizer

Hoskins FT-101 Fuel Totalizer

Oxygen System

The aircraft is plumbed for Oxygen but the bottle and regulator have been removed (the aircraft comes with a portable oxygen system)

Interior & Exterior

Paint Year
2015
Interior Notes
Original Interior. Below average condition. Sheepskin covers on front seats.
Exterior Notes
Very Attractive Paint. Stripped and Repainted in 2015 by Tejas. Modern Scheme.

Engine & Propeller

Engine Type
Piston
Engine Count
1
Engine Make
Continental
Engine Model
TSIO-360-LB(7)
Engine Power
210 HP
Propeller Model
MT Light-Weight 3-Blade with Composite Blades

Asking Price

$149,000

Aircraft Location

TX, USA

Listing Details

Used
For Sale

Price History

Apr 20, 2025: $149,000 - controller

Contact Seller

First Seen: Apr 20, 2025

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Asking Price

$149,000