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1964 Mooney M20E Super 21Single-Engine Piston Aircraft • Roberts , MT USA

This 1964 Mooney M20E Super 21, registered as N6988U, is offered for sale at $74,000 from its current owner in Roberts, Montana, who is selling to fund an Aerostar purchase. The airframe has accumulated 5,135 total hours, with the IO-360 A1A engine at 1,070.32 hours since a major overhaul performed in 2023. That rebuild included a new camshaft, pistons and pins, front center and rear bearings, lifter bodies, oil cooler, oil pump housing, vernatherm, mixture control, and vacuum pump, among other components. The engine was completely disassembled, though the valves were leak checked rather than removed, which the seller notes some mechanics...

Year
1964
Make
Mooney
Series
M20
Model
M20E Super 21
Tail #
N6988U
Serial #
348

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Specifications

Category
Single-Engine Piston
Intended Use
Training, Recreational
Flight Rules
IFR
Seats
4

Hours, Logs & Inspections

Total Time
5,135 hrs
Engine 1 Time
1,070 hrs (SMOH)
Prop 1 Time
6 hrs (SMOH)
Logbook Status
Full logs and all complied AD's
Inspection Status
Last Annual November 2025

Avionics

GPS

Apollo GX55 - GPS

Comms

KX 155 - KX Radio, KY Radio

AP

Mooney Wing Leveler - Autopilot

ADSB

Garmin GTX 327 - GTX Transponder with ADSB Out, Tail Beacon

EMS

Electronics International Engine Analyzer

Additional Equipment

Attitude Indicator

New Attitude Indicator

Directional Gyro

New DG

Fuel Tanks

Long Range Tanks with Fuel Bladders and no leaks

Windows

Brand New Side Windows July 2025

Tires

New Tires 2024

Spinner

New Chrome Spinner

Cover

Bruces Custom Cover, Cowl Plugs, Door Seal Kit

Interior & Exterior

Interior Rating
8/10
Paint Rating
8/10
Paint Year
2000
Interior Notes
New carpet installed 2025, 8/10 paint
Exterior Notes
Recently moved to KAWO. Beautiful short body Mooney meticulously maintained. Restoration in 2023 with most everything replaced from bolts in elevator to ducting of heater and new side windows. No known damage history. Flown regularly and kept in heated hangar.

Engine & Propeller

Engine Type
Piston
Engine Count
1
Engine Model
IO-360 A1A
Engine Power
200 HP
Propeller Model
Hartzell HC-CZYK-1BF

Asking Price

$72,000

Aircraft Location

Roberts , MT USA

Listing Details

Used
For Sale

Price History

Aug 31, 2026: $72,000(-$2,000) - barnstormers

Aug 1, 2026: $74,000(+$2,000) - trade-a-plane

Aug 15, 2025: $72,000(-$6,000) - trade-a-plane

+1 more price changes

Contact Seller

First Seen: Aug 4, 2025

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Asking Price

$72,000