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1981 Mooney M20K 231Single-Engine Piston Aircraft • Locarno, Ticino, Switzerland

This 1981 Mooney M20K 231, registration I-MUNI, is offered for sale at $139,713 and is based at Locarno, Switzerland, with an IFR flight rules certification. The airframe has a total time of 2,171 hours, with the Continental TSIO360LB1 engine overhauled in June 2022 and showing 320 hours since major overhaul (SMOH). The engine has a TBO of 1,800 hours, and the most recent annual inspection, completed in June 2026, recorded compression values of 76/74/74/73/73/74. The composite, swept-blade MT three-blade propeller was installed new in 2022 with 320 hours since new and a TBO of 2,000 hours or 72 months.

Avionics include a Garmin GPS175 WAAS...

Year
1981
Make
Mooney
Series
M20
Model
M20K 231
Tail #
I-MUNI
Serial #
25-0597

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Specifications

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

Hours, Logs & Inspections

Total Time
2,171 hrs
Engine 1 Time
320 hrs (SMOH)
Prop 1 Time
320 hrs (SNEW)
Logbook Status
Complete Logs Yes
Inspection Status
100 hours annual inspection completed 06/2026 ARC Renewed June 2026 Magnetos overhauled June 2026 Airworthy Yes

Avionics

Audio

Garmin GMA340 - Audio Panel Marker Beacon

Comms

King KX165A - 8.33 kHz VHF NAV COM; VHF COM; FM Immunity Filter

GPS

Garmin GPS175 - WAAS, EASA STC 100H756RI, LPV-PBN, SBAS Certified; R-NAV

AP

King KFC200 - Autopilot Go Around Button

EMS

JPI EDM 700 - JPI EDM Engine Analyzer Totalizer Indicator

PFD

King KCS55 - HSI

Additional Equipment

ADF

King KR87 - ADF with KI227 Indicator with RMI

Transponder

Trig TT31 - Transponder

ELT

406 mHz ELT With Remote Switch on Instrument Panel

Stormscope

3M WX11 - Stormscope

Fuel Flow Indicator

Hoskins FT101 - Fuel Flow Indicator with Memory Switch

Clock

Davtron Digital Clock - Voltage Indicator

Oxygen System

Scott 3HT Oxygen Cylinder, currently out of service - Yes

Windows

Green Tinted Windows

Baggage Door Latch Modification

Inside Latch Modification SBM20-239

Starter

Sky-Tec C12ST5 - Light Weight Starter

Fire Extinguisher

Cabin Portable Fire Extinguisher

First Aid Kit

Battery

Concorde RG35AXC - Battery, installed in 2021

Interior & Exterior

Interior Year
2015
Paint Year
2015
Interior Notes
Very nice leather interior. All seats equipped with headrest and shoulder harness seat belts Refurbished in 2015
Exterior Notes
White with blue stripes, around 20 years old, indicates wear

Engine & Propeller

Engine Type
Piston
Engine Count
1
Engine Make
Continental
Engine Model
TSIO360LB1
Engine Power
210 HP
Propeller Model
MT MTV-12-D

Asking Price

$139,713

Aircraft Location

Locarno, Ticino, Switzerland

Listing Details

Used
For Sale

Price History

May 25, 2026: $139,713(+$7,216) - controller

May 16, 2026: $132,497(-$1,485) - controller

May 7, 2026: $133,982(+$299) - controller

+9 more price changes

Contact Seller

First Seen: Jan 31, 2026

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Asking Price

$139,713