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1979 Mooney M20K 231Single-Engine Piston Aircraft • Tucson, AZ, USA

This 1979 Mooney M20K 231, registration N231AY (serial number 25-0099), is a retractable-gear, four-seat turbocharged single offered for sale in Tucson, Arizona. The airframe shows 1757 hours total time. The listing describes a clean history with a fresh annual and complete logs available, and it notes that trades are considered.

The aircraft is powered by an upgraded Continental TSIO-360 rated at 210 horsepower, which the seller notes is not the original stock GB engine and features a later, cooler setup for better heat management. The engine shows approximately 264 hours since major overhaul, and the propeller, a three-blade Hartzell...

Year
1979
Make
Mooney
Series
M20
Model
M20K 231
Tail #
N231AY
Serial #
25-0099

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Specifications

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

Hours, Logs & Inspections

Total Time
1,757 hrs
Engine 1 Time
264 hrs (SMOH)
Prop 1 Time
242 hrs (SMOH)
Logbook Status
Complete logs available
Inspection Status
Fresh annual

Avionics

GPS

Garmin GTN 750 Xi

Additional Equipment

Turbocharger

Merlyn Black Magic - wastegate

LED Lights

Interior & Exterior

Interior Year
1979
Paint Year
1979

Engine & Propeller

Engine Type
Piston
Engine Count
1
Engine Make
Continental
Engine Model
TSIO-360
Engine Power
210 HP
Propeller Model
Hartzell 3-blade carbon fiber

Asking Price

$159,999

Aircraft Location

Tucson, AZ, USA

Listing Details

Used
For Sale

Price History

Oct 23, 2026: $159,999(+$20,000) - trade-a-plane

May 13, 2025: $139,999(-$15,556.55) - controller

Apr 25, 2025: $155,555.55(-$0.45) - trade-a-plane

+2 more price changes

Contact Seller

First Seen: Apr 20, 2025

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Asking Price

$159,999