General
Year: 1979
Manufacturer: MOONEY
Model: M20K 231SE
Serial Number: 25-0001
Registration #: N133SM
Condition: Used
Description: For Sale from Georgia. UPGRADED to the -MB (252) engine (ModSquad '262' Conversion). LOADED with Avionics including the GFC-500 Autopilot, GFC-750 and Glass ADI/HSI.
Airframe
Total Time: 5,112
Airframe Notes: 5112 Hours Since New.
Engine
Engine 1 Make/Model: CONTINENTAL TSIO360MB
Engine 1 Time: 1,509 SFRM
Engine TBO: 1800
Engine Notes: 1509 Hours Since Factory Rebuilt ('0' timed at last overhaul).
Upgraded to the ModSquad '262' Conversion - Continental TSIO-360-MB (The engine on the Mooney M20K '252')
The -MB engine has a fully automatic wastegate (no overboostin), intercooler and tuned induction system. Upgraded to the 252 cowling also (better cowl flap.
Compressions at the 2025 annual: 70 / 78 / 78 / 78 / 76 / 78.
Regular Blackstone Oil Analysis at oil change (regular 25 hour oil changes with one quart added between changes).
Props
Prop Notes: New 3-Blade Hartzell Prop (installed October 2025).
Modifications/Conversions
Modifications/Conversions: ModSquad '262' Conversion (Conversion to the -MB engine - the '252' engine)
Avionics
Avionics/Radios: Loaded!!!
Garmin GFC 500 2-Axis Autopilot with Pitch Trim.
Garmin GTN-750 WAAS Touchscreen GPS / Nav / Com / FMS.
Garmin GNS-530W WAAS GPS #2 / Nav / Com.
Garmin G5 Attitude (EADI).
Garmin G5 HSI (EHSI).
Garmin GMA 35 Remote Audio Panel (controlled on the GTN-750)
Garmin GTX-345 ADS-B Transponder (in and out).
Garmin GAD 29B Date Interface with Temp for TAS and Wind Information.
Garmin GDL-69 Weather DataLink.
Garnin Flight Stream 210 GPS Interface.
Additional Equipment
Additional Equipment: JPI EDM-830 Engine Monitor / Fuel Computer.
Surefly Electronic Ignition.
Precise Flight Speed Brakes.
One Piece Fiberglass Belly.
USB Chargers.
Complete LED Lighting.
Second Alternator.
Exterior
Exterior Notes: Early 1990's Scheme (Bravo/MSE Split Scheme). White over Teal with Gold Trim. Hangared.
Interior
Interior Notes: Chocolate Perforated Leather Seats with Tan Carpets.
Inspection Status
Inspection Status: Annual Due September 2026. Good Maintenance History. Current Annual by Cole Aviation (Mooney Service Center - Dalton GA). New Left Magneto replaced with a SureFly Electronic Mag at Annual. Right Mag 500 hour performed a few hours before annual. New Mag Harnesses at Annual.
USD $149,000