1979 Mooney M20K 231Single-Engine Piston Aircraft • McAllen , TX USA

This 1979 Mooney M20K 231, registration N231HH, is a fast cross-country machine offered at $139,900. It features a turbocharged 210 HP TSIO-360-LB8 engine with 973 hours total time since new, and 394 hours since an IRAN performed in 2016 following a prop strike. The two-blade McCauley propeller was overhauled with hub and blades replaced at that same time, now showing 394 hours since overhaul. Total airframe time is 2,883 hours, and the aircraft has a useful load of 963 pounds.

The aircraft received a brand new instrument panel and interior in 2025, along with a fresh annual due in early July 2026. Avionics include a Garmin GTN 650 Xi WAAS...

Year: 1979

Make: Mooney

Series: M20

Model: M20K 231

Tail #: N231HH

Serial #: 25-0100

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Specifications

Category: Single-Engine Piston

Intended Use: Business, Recreational

Flight Rules: IFR

Useful Load: 963 lbs

Seats: 4

Hours, Logs & Inspections

Total Time: 2,883 hrs

Engine 1 Time: 973 hrs (SNEW)

Engine 2 Time: 394 hrs

Prop 1 Time: 2,883 hrs (SNEW)

Prop 2 Time: 394 hrs (SOH)

Logbook Status: Complete logs available upon request

Inspection Status: Aircraft will be delivered with a fresh annual to be completed in early July 2026

Avionics

GPS

Garmin GTN 650 Xi - GTN WAAS GPS Bluetooth 510)

Comms

Garmin GNC 215 - GNC NAV/COM

King KFC 200 - KFC Autopilot and Flight Director (replaced flight computer and roll servo 2025; AP is operational)

Audio

Garmin GMA 345 - GMA Bluetooth Digital Audio Box and Place Intercom

ADSB

Appareo Stratus ESG - ESG ADSB-Out Transponder

ADS-B In

Appareo Stratus Sentry - ADSB-In Antenna

EMS

JPI 830 - JPI Engine Monitor installed in 2023

PFD

King KI-256 - Attitude Indicator

MFD

King KI-525A - HSI

Additional Equipment

Transponder

Aerosonic 102200 - Encoding Altimeter

ELT

Artex ELT 345 - 406 ELT installed in 2023

Oxygen System

Mountain High O2D2 - 115 Cubic FT Kevlar Oxygen Bottle installed Oxygen Regulator Computer for People; Oxygen Lines and Cannulas for 4 People from

Interior & Exterior

Interior Year: 2025

Paint Rating: 6/10/10

Paint Year: 1979

Interior Notes: New interior compliant with FAA fire retardant requirements done in 2025: new insulation and carpets from Airtex Products installed, new leather seats installed from Garrett Leather with custom detailing and design, new Rosen Sun Visors installed, all interior plastics repaired and repainted with special UV protection

Exterior Notes: Original paint from 1979 has been well conserved and polished as airplane has always been hangared; missing paint in lower cowl section, leading edges, elevator and landing gear; LED landing, taxi and tail beacon light installed