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

This 1984 Mooney M20K 231, registration N5766M, serial number 25-0836, is a used piston single located in Galesburg, Illinois, offered at 154,000 USD with complete logs and a current airworthy status. The airframe has 2,965 total hours, while the Continental engine has just 70 hours since major overhaul against a 2,000-hour TBO. The McCauley D3A32C409-C three-blade propeller shows 70 hours since new. The annual inspection is due May 2027 and the IFR check is due May 2028.

The aircraft is equipped with a Garmin GNS 430 WAAS GPS/COM/NAV paired with a King HSI, a King KX165 NAV/Com with localizer and glideslope, a King KFC150 autopilot with...

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

Hours, Logs & Inspections

Total Time
2,965 hrs
Engine 1 Time
70 hrs (SMOH)
Prop 1 Time
70 hrs (SNEW)
Logbook Status
Complete Logs Yes
Inspection Status
Annual Due: May 2027, IFR Check Due: May 2028

Avionics

GPS

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

Comms

King KX165 - NAV/Com Localizer Glideslope, KR ADF, DME with Nav Selector, Dual Localizer Glideslope

AP

King KFC 150 - Autopilot/Flight Director/Alt Preselect

Weather

BF Goodrich WX-900 - BF Stormscope,

ADSB

Garmin GTX 345 - Transponder

PFD

King HSI

EMS

EDM-700 - Engine Analyzer

Additional Equipment

Oxygen System

4 Place Oxygen System

Speed Brakes

Precise Flight - Speed Brakes by

Intercooler System

Turboplus, Inc. - Intercooler System

Turbocharger Differential Pressure Control System

Wastegate Controller

Merlyn Products - Wastegate Controller

Prop Deice System

Hot Prop Deice System

Fuel Flow/Totalizer

SDI/Hoskins - Digital Fuel Flow/Totalizer by

Standby Vacuum System

Intercom

Sigtronics SPA-400 - Intercom

Strobe Lights

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
Propeller Model
McCauley D3A32C409-C

Asking Price

$154,000

Aircraft Location

Galesburg, IL, USA

Listing Details

Used
For Sale

Price History

May 22, 2026: $154,000(-$10,000) - controller

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

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

+3 more price changes

Contact Seller

First Seen: Jul 22, 2025

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Asking Price

$154,000