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1984 Mooney M20K 231Single-Engine Piston Aircraft • Galesburg, IL, USA

This 1984 Mooney M20K 231, registered as N5766M, presents a well-equipped turbocharged single with a low-time engine and a fresh annual inspection in progress. The airframe has 2,965 total hours, and the Continental engine has only 70 hours since its last major overhaul (SMOH), paired with a 3-blade McCauley propeller that is also 70 hours since new. The aircraft is IFR-capable and features a King KFC150 autopilot with flight director, a Garmin GNS 430 WAAS GPS, a Garmin GTX-345 transponder, a Sperry color radar, and a BF Goodrich WX-900 Stormscope for weather avoidance. Notable performance and safety upgrades include Precise Flight speed...

Year
1984
Make
Mooney
Series
M20
Model
M20K 231
Tail #
N5766M
Serial #
25-0836

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Specifications

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

Hours, Logs & Inspections

Total Time
2,965 hrs
Engine 1 Time
70 hrs (SMOH)
Prop 1 Time
70 hrs (SNEW)
Logbook Status
Complete Logs
Inspection Status
Fresh Annual in Progress. IFR Check Due: October 2025

Avionics

GPS

Garmin GNS 430W - GNS WAAS GPS/COM/NAV

Comms

King KX 165 - NAV/COM Localizer Glideslope, KR ADF

AP

King KFC 150 - Autopilot/Flight Director/Alt Preselect

Weather

BF Goodrich WX-900 - BF Stormscope,

ADSB

Garmin GTX 345 - Transponder

EMS

JPI EDM 700 - JPI EDM Engine Analyzer

navigation

King HSI - HSI, DME with Nav Selector

intercom

Sigtronics SPA-400 - Intercom

Additional Equipment

Speed Brakes

Precise Flight Speed Brakes - by

Intercooler System

Turboplus Intercooler System - Inc.

Turbocharger Control

Turbocharger Differential Pressure Control System

De-Ice System

Hot Prop Deice System

Oxygen System

4 Place Oxygen System

Fuel Management

SDI/Hoskins Digital Fuel Flow/Totalizer - by

Standby System

Standby Vacuum System

Lighting

Strobe Lights

Spinner

Polished Spinner

Interior & Exterior

Interior Year
2025
Interior Notes
New Grey Leather Seats in 2025
Exterior Notes
White and Ice Silver with Wine Pinstripe Trim. Exterior in Good Condition

Engine & Propeller

Engine Type
Piston
Engine Count
1
Engine Make
Continental
Engine Model
TSIO-360-GB
Propeller Model
McCauley D3A32C409-C

Asking Price

$164,000

Aircraft Location

Galesburg, IL, USA

Listing Details

Used
For Sale

Price History

Oct 22, 2025: $164,000(-$13,500) - controller

Oct 13, 2025: $177,500(-$7,400) - controller

Aug 22, 2025: $184,900 - trade-a-plane

+2 more price changes

Contact Seller

First Seen: Jul 22, 2025

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Asking Price

$164,000