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

This 1980 Mooney M20K 231, registered as N9250U, is a "Rocket" conversion by Rocket Engineering, featuring a 305 horsepower turbocharged Continental TSIO-520-NB engine. The aircraft is equipped for serious cross-country travel with a 1,000 nautical mile range, a useful load of 1,029.9 pounds, and Monroy long-range fuel tanks providing 106 gallons of capacity. The panel is IFR-capable and centered on modern Garmin avionics including a GNX-375 GPS/transponder, a GNS255a NAV/COM, a GTR225 COM, and a GMA 342 audio panel, complemented by a Century 41 autopilot, a Shadin fuel flow indicator, and an EI US-8A engine analyzer.

The aircraft's...

Year
1980
Make
Mooney
Series
M20
Model
M20K 231
Serial #
number25-0358Total

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Specifications

Category
Single-Engine Piston
Intended Use
Business, Recreational
Flight Rules
IFR
Useful Load
1,029.9 lbs
Seats
4

Hours, Logs & Inspections

Engine 1 Time
456 hrs (SMOH)
Inspection Status
Inspection Expiry: November 1, 2023

Avionics

GPS

Garmin GNX-375 - GPS/Transponder

Comms

Garmin GNS 255a - NAV/COM, COM

AP

Century 41 - Autopilot

Audio

Garmin GMA 342 - GMA Audio Panel

Weather

BFGoodrich Stormscope

ADSB

Garmin GNX-375 - GPS/Transponder

Additional Equipment

Engine Analyzer

EI US-8A - EI Engine Analyzer

Digital Tachometer

Horizon Digital Tachometer

Turbine Inlet Temperature Indicator

JPI Digital TIT

Fuel Flow Indicator

Shadin Fuel Flow Indicator

Standby Vacuum System

Engine Conversion

Rocket Engineering Conversion

Speedbrakes

PreciseFlight Speedbrakes

Long-Range Fuel Tanks

Monroy Long-Range Fuel Tanks

Interior & Exterior

Interior Rating
5/10
Interior Year
1980
Paint Rating
5/10
Paint Year
1980
Interior Notes
Overall Blue with Black & White Accents
Exterior Notes
Overall White with Blue Accents

Engine & Propeller

Engine Type
Piston
Engine Count
1
Engine Make
Continental
Engine Model
TSIO-520-NB
Engine Power
305 HP
Propeller Model
3-Blade McCauley 3AF32C50571.41

Asking Price

$159,000

Aircraft Location

LA, USA

Listing Details

For Sale

Price History

Nov 29, 2025: $159,000(+$14,000) - aircraftforsale

Nov 16, 2025: $145,000 - controller

Nov 16, 2025: $145,000(-$14,000) - trade-a-plane

+2 more price changes

Contact Seller

First Seen: Apr 20, 2025

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Asking Price

$159,000