1981 Mooney M20K 231Single-Engine Piston Aircraft • Merino, CO, USA
This 1981 Mooney M20K 231, serial number 25-0566, is listed for $145,000 OBO and is located in Merino, Colorado, hangared at Sterling, CO (KSTK). The airframe has 3,627.8 hours total time. The Continental TSIO-360-LB engine has 746.1 hours since major overhaul with 2,437.1 hours total time, and the propeller has 1,128.1 hours since overhaul. The most recent annual was completed in April 2026, with compressions recorded at 78, 70, 70, 72, 74, and 74. The aircraft is reported as having no damage history and complete logs.
The panel is a classic six-pack configuration with an HSI, and the aircraft is IFR equipped. Avionics include a Garmin...
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Specifications
- Category
- Single-Engine Piston
- Intended Use
- Business, Recreational
- Flight Rules
- IFR
- Useful Load
- 839 lbs
- Seats
- 4
Hours, Logs & Inspections
- Total Time
- 3,627.8 hrs
- Engine 1 Time
- 746.1 hrs (SMOH)
- Prop 1 Time
- 1,128.1 hrs (SMOH)
- Logbook Status
- Complete Logs
- Inspection Status
- Last annual April 2026
Avionics
GPS
Garmin 430W - GPS Nav/Com
Comms
King 197 - Com radio, Nav radio
AP
King KAP - KAP/KFC HSI, Autopilot, Flight Director with altitude select
ADSB
Garmin GTX 345 - GTX ADSB w/Bluetooth connection to IPad
EMS
JPI 830 - JPI Engine Monitor
Additional Equipment
Merlyn Automatic Wastegate
Turbo Intercooler
Installed
GAMI Fuel Injectors
SureFly Electronic Ignition
Speed Brakes
Installed
4 Place Oxygen
Installed
Backup Electric Vacuum Pump
Installed
Alternate Air
Installed
Alternate Static
Installed
Heated Prop
Installed
P2 Audio Advisory for gear down reminder
P2 Audio Advisory
Reiff Engine preheat system
Engine & Propeller
- Engine Type
- Piston
- Engine Count
- 1
- Engine Make
- Continental
- Engine Model
- TSIO 360 LB
Asking Price
$145,000
Aircraft Location
Merino, CO, USA
Listing Details
- For Sale
Price History
Sep 15, 2026: $145,000 - barnstormers
Contact Seller
Asking Price
$145,000
Aircraft Location
Merino, CO, USA
Listing Details
- For Sale
Price History
Sep 15, 2026: $145,000 - barnstormers
Contact Seller
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Quick filters • Updated daily
1981 Mooney M20K 231
- Total Time
- 3,015 hrs
- Engine Time
- 90 hrs
- Prop Time
- 90 hrs
- Tail #
- N4571C
- Flight Rules
- IFR
- Useful Load
- Unspecified
1981 Mooney M20K 231
- Total Time
- 2,775 hrs
- Engine Time
- 1,606 hrs
- Prop Time
- 10 hrs
- Tail #
- N500B
- Flight Rules
- IFR
- Useful Load
- 857 lbs
1981 Mooney M20K 231
- Total Time
- 2,171 hrs
- Engine Time
- 320 hrs
- Prop Time
- 320 hrs
- Tail #
- I-MUNI
- Flight Rules
- IFR
- Useful Load
- Unspecified
1981 Mooney M20K 231
- Total Time
- 6,594 hrs
- Engine Time
- 809 hrs
- Prop Time
- 809 hrs
- Tail #
- N33XL
- Flight Rules
- VFR & IFR
- Useful Load
- 919 lbs
1981 Mooney M20K 231
- Total Time
- 1,984 hrs
- Engine Time
- 491 hrs
- Prop Time
- 2,025 hrs
- Tail #
- N1156G
- Flight Rules
- IFR
- Useful Load
- 946.5 lbs
1981 Mooney M20K 231
- Total Time
- 1,702 hrs
- Engine Time
- 634 hrs
- Prop Time
- 1 hrs
- Tail #
- N9Sk
- Flight Rules
- IFR
- Useful Load
- Unspecified
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Asking Price
$145,000