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1979 Mooney M20K 305 RocketSingle-Engine Piston Aircraft • Watkins, CO, USA

This 1979 Mooney M20K 305 Rocket, registration N231DY, serial number 25-0176, is a used piston single based at KCFO in Watkins, Colorado, and listed at 166,700 USD. The airframe shows 5,447 hours total time. The engine is a Continental TSIO-520-NB with 925 hours since major overhaul against a 1,600-hour TBO, and the listing notes a top overhaul completed in January 2020, with 110 hours since top overhaul and nickel cylinders. The propeller has 741 hours since overhaul.

The avionics suite includes a Garmin MX20, Garmin GNS430, Garmin 396, King KY197 COM, Appaero Stratus ADS-B Out, PMA 8000B intercom, JPI EDM 730 engine monitor, dual Garmin...

Year
1979
Make
Mooney
Series
M20
Model
M20K 305 Rocket
Tail #
N231DY
Serial #
25-0176

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Specifications

Category
Single-Engine Piston
Intended Use
Business, Passenger, Recreational

Hours, Logs & Inspections

Total Time
5,447 hrs
Engine 1 Time
925 hrs (SMOH)
Prop 1 Time
741 hrs (SMOH)
Inspection Status
Top overhaul done in 2020 nickel cylinders

Avionics

MFD

Garmin MX20

GPS

Garmin GNS 430

Weather

Garmin 396

Comms

King KY 197 - COM

ADSB

Appaero Stratus - ADS-B Out

Audio

PMA 8000B - PMA ICS

EMS

JPI EDM 730 - JPI EDM Engine Monitor

PFD

Garmin G5 PFD - ADI

AP

Century 41 - autopilot

Additional Equipment

Fuel Injectors

GAMI - GAMI fuel injectors

LED NAV Lights

Engine Block Heater

Tires and Shocks

Trickle Charger

Speed Brakes

Engine & Propeller

Engine Type
Piston
Engine Count
1
Engine Make
Continental
Engine Model
TSIO-520-NB

Asking Price

$166,700

Aircraft Location

Watkins, CO, USA

Listing Details

Used
For Sale

Price History

Oct 13, 2026: $166,700(-$12,100) - controller

Aug 31, 2026: $178,800(-$21,000) - controller

Aug 13, 2026: $199,800 - controller

Contact Seller

First Seen: Aug 13, 2026

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Asking Price

$166,700

1979 Mooney M20K 305 Rocket Single-Engine Piston For Sale N231DY Watkins, CO - All The Planes