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

This 1980 Mooney M20K 231, registration N231MH, is a single-owner aircraft since new with a total time of 2,675 hours on the airframe. A standout feature is the Rocket Engineering 'Rocket 305' conversion, which replaces the original 210hp engine with a Continental TSIO-520-NB producing 305 horsepower, enabling climb rates and speeds up to 220-225 knots. The engine has 153 hours since major overhaul performed by Premier Aircraft Engines in Troutdale, Oregon, with a 1,600-hour TBO, and the full-feathering McCauley three-blade propeller has 275 hours since overhaul.

The avionics suite includes dual WAAS GPS/nav/coms with a Garmin GNS-530W and...

Year
1980
Make
Mooney
Series
M20
Model
M20K 231
Tail #
N231MH
Serial #
25-0307

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Specifications

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

Hours, Logs & Inspections

Total Time
2,675 hrs
Engine 1 Time
153 hrs (SMOH)
Prop 1 Time
275 hrs (SOH)
Logbook Status
All Logs. Good Maintenance History.
Inspection Status
Annual Inspection Due December 2026. IFR Certifications Due September 2026.

Avionics

GPS

Garmin GNS 530W - WAAS GPS/Nav/Com/Color Map. WAAS GPS/Nav/Com/Color Map.

Comms

Garmin GNS 530W - WAAS GPS/Nav/Com/Color Map. WAAS GPS/Nav/Com/Color Map.

AP

Century 41 - Autopilot with Altitude Hold/Glide Slope-Glide Path Coupling.

Audio

Garmin GMA 340 - Audio Panel/Intercom.

ADSB

Garmin GTX 300ES - ADS-B Transponder with Extended Squitter (for flight over FL180).

ADS-B In

Garmin GDL 88 - ADS-B DataLink (ADS-B and out).

MFD

Garmin GMX 200 - Multi-Function Display.

Additional Equipment

Fuel System

Monroy Long Range Fuel Tanks - Rang Totalizer.

HSI

Century NSD 360 - HSI.

Interior & Exterior

Interior Notes
Very Nice Grey Leather Seats. Accented with Burlwood Trim and Charcoal Carpets.
Exterior Notes
Very Nice Paint. Overall Silver Metallic with Red and Black Trim.

Engine & Propeller

Engine Type
Piston
Engine Count
1
Engine Make
Continental
Engine Model
TSIO-520-NB
Engine Power
305 HP
Propeller Model
McCauley 3-Blade Full Feathering

Asking Price

$189,000

Aircraft Location

Longview, TX, USA

Listing Details

Used
For Sale

Price History

Jun 27, 2026: $189,000(-$10,000) - controller

May 10, 2026: $199,000(-$26,000) - controller

Aug 11, 2025: $225,000 - controller

+1 more price changes

Contact Seller

First Seen: Aug 9, 2025

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Asking Price

$189,000