1978 Mooney M20J
Single Engine Piston
Aircraft Details
Seller reportedAvionics & Equipment
IFRDual Garmin G5 (AI HSI) Garmin GFC 500 Garmin GTN 750 JPI EDM 900 Primary Garmin GPS 430W Garmin GMA 340 Audio Panel CiES Fuel Senders LED Landing light GAD 13 with temp OAT probe (gives TAS and winds aloft on G5) New Concorde 12V Battery installed January 2026 LED tail and wingtip (strobe nav) lights McFarlane Vernier throttle Fire extinguisher installed
Description
Well equipped 201 with GFC 500, Dual G5s, GTN 750, JPI 900. Great paint and maintenance history, flies often.
Engine
Lycoming IO-360-A3B6D 1850 SMOH 2007, Factory Overhauled by Lycoming in 2007. Roller tappets as far as I know. Prop 1850 SMOH, resealed 4 years ago at 1550 SMOH. Compressions at Annual March 2026: 75/80, 75/80, 78/80, 79/80
Interior
Exterior in great condition, pictures don't do it justice. It's still pretty glossy, the metallic color is very good and overall few imperfections. Painted in 2009 by Tejas Aero, TX. Interior in good condition but shows wear in places.
Exterior
and maintenance history, flies often.
Description and equipment details provided by the seller. AeroGurus does not verify seller-provided information.
Price Comparison 1 active offer
| Source | Price | Location | Listed | Days on Market | Status | Action |
|---|---|---|---|---|---|---|
|
Emil Arfvidsson
trade-a-plane.com
|
$135,000
$145,000
|
San Jose, CA | Mar 20, 2026 | — | Active |
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AeroGurus Data & Analysis
Independent data from FAA, NTSB, and market analysis
About This Mooney M20J
This 1978 Mooney M20J (N644DD) is a 4-seat single engine piston with 6,040 hours on the airframe. There are currently 55 M20J aircraft listed for sale with asking prices ranging from $59,394 to $266,441. This aircraft is priced below the market average at $135,000.
The M20J cruises at 161 kts (298 km/h) with a range of 820 nm (1,519 km) — ideal for short hops and local flights. Service ceiling of 18,800 ft allows operation above most weather.
Operating costs: Fuel burn is 10 GPH (38 L/h), which at current Jet-A prices (~$5.50/gal) means approximately $55/hr in fuel alone. Total variable cost including maintenance reserves is approximately $140/hr. Annual fixed costs (hangar, insurance, crew, annual inspection) average $18,000. With 6,040 hours on the airframe, this aircraft has exceeded TBO (2,000 hrs) — verify engine status and overhaul reserve.
NTSB records show 0 incidents for this airframe — a clean safety record. There are 5 airworthiness directives applicable to this aircraft type — review AD compliance carefully before purchase. Mechanics have filed 10 service difficulty reports for this type — common maintenance items to discuss during pre-buy.
Pre-Purchase Checklist
Mooney M20J — Model Specs
Model specificationStandard specs for this model. Actual aircraft may differ.
Estimated Cost of Ownership
AeroGurus estimateMOONEY M20J
AeroGurus estimates based on industry averages for the MOONEY M20J. Actual costs vary by location, usage, maintenance history, and configuration. Not a financial quote.
Ownership & Registration
FAA registration data pending for N644DD.
Location & Ownership
Title Status
No FAA title records
Available for US-registered aircraft only
Source: FAA Aircraft Registry, FAA Civil Aviation Registry (DocIndex). Title data may be delayed. Always verify with an aviation attorney before purchase.
Safety Record
NTSB safety data coming soon.
We'll check N644DD against the NTSB accident database.
Airworthiness Directives — Mooney M20J
ADs are mandatory safety instructions issued by the FAA. 5 recent ADs found for this aircraft type.
Mooney Aircraft Corporation Models M20B, M20C, M20D, M20E, M20F, M20G, and M20J Airplanes
View full AD →Mooney Aircraft Corporation Models M20B, M20C, M20D, M20E, M20F, M20G, M20J, M20K, M20L, M20M, and M20R Airplanes
View full AD →Mooney Aircraft Corporation Models M20J, M20K, M20M, and M20R Airplanes
View full AD →Mooney Aircraft Corporation Models M20F, M20J, and M20L Airplanes
View full AD →Source: FAA Airworthiness Directives database. Showing most recent ADs for this aircraft type.
Service Difficulty Reports — Mooney M20J
SDRs are reports filed by mechanics about problems found during maintenance. 10 recent reports for this aircraft type.
I HAVE NOW HAD 2 QUALITY AICRAFT ACCESSORIES (QAA/HARTZELL)-OVERHAULED SLICK 4372 MAGNETOS W/ IMPULSE COUPLINGS VIOLENTLY SELF-DESTRUCT IN THE SPAN OF 200 HOURS. HARTZELL, THE PARENT COMPANY OF QAA, HAS INFORMED ME THAT BOTH MAGNETOS HAD BRAND NEW O...
ROCKER BOX COVER ON NUMBER 5 CYLINDER HEAD LEAKING OIL THROUGH HAIRLINE CRACK AT THE STAMPING MARK. THE LINE THAT UNDERLINES THE STAMPED "LYCOMING" LETTERS HAS A CRACK ALLOWING SLOW SEEPAGE OF ENGINE OIL AT ALL TIMES.
PRIOR TO LANDING THE PILOT RECEIVED AN AUDIBLE GEAR WARNING HORN, BUT THE GEAR INDICATOR SHOWED A GREEN LIGHT. THE LANDING GEAR EXTENDED BUT FAILED TO LOCK DUE TO THE ELECTROMECHANICAL ACTUATOR CAUSING THE CIRCUIT BREAKER TO POP. THE PILOT COULD NO...
THE TAIL TRIM ASSIST BRACKET BROKE ALONG THE MOUNTING FLANGE EDGE WHERE THE PUSH PULL ROD FOR ASSIST MECHANISM ATTACHES TO THE TAIL CONE.
INTERMITTENT ATTITUDE FAILURE OF THE KI300 HORIZON INDICATOR. PRIMARY ATTITUDE INDICATOR INTERMITTENTLY AND WITHOUT WARNING INDICATES ERRONEOUS PITCH AND ROLL ATTITUDES AND ALSO, WHEN INTERFACED TO THE AUTOPILOT CAUSES THE AUTOPILOT TO DEVIATE FROM I...
VERY LOUD POUNDING SOUND FROM THE CRANKCASE WHEN RUNNING. FOUND LARGE AMOUNTS OF FERROUS AND NON-FERROUS MATERIAL IN THE OIL FILTER, METAL AT THE SCREEN TO THE GOVERNOR, AND LARGE CHUNKS OF METAL IN THE OIL SUCTION SCREEN. ENGINE WAS REMOVED FROM THE...
DURING AN ANNUAL INSPECTION, FOUND DUAL MAGNETO HOUSING CRACKED AT BOTH HOLD DOWN POINTS.
GOVERNOR WAS BENCH CHECKED AND FOUND NOT TO BE ACHIEVING RPM ABOVE 1600. PRESSURE RELIEF WAS LOW. CUSTOMER REQUEST O/H OF THE GOVERNOR; AT THIS POINT, THE GOVERNOR WAS DISASSEMBLED AND FOUND TO HAVE INTERNAL DAMAGE OF THE PUMP CAVITY. DAMAGE FROM ...
PLANE ARRIVED AT SHOP WITH 5 AMP ALT FIELD CIRCUIT BREAKER POPPED. INVESTIGATION REVEALED STATOR BURNED BLACK, FRIED, HOWEVER THE SLIP RINGS WERE PRODUCING A STRONG MAGNETIC FIELD THAT AT FIRST BLUSH MADE ALTERNATOR APPEAR OK. FURTHER CHECK DISCOVE...
PILOT TRIED TO LAND, BUT WAS UNABLE TO LOWER LANDING GEAR. PILOT FLEW BACK TO DEPARTURE AIRPORT AND TRIED MULTIPLE ATTEMPTS TO LOWER GEAR BUT WAS UNSUCCESSFUL. PILOT NOTED THE LANDING GEAR ACTUATOR CIRCUIT BREAKER WAS POPPING AND HAD TO TRY THE EME...
Source: FAA Service Difficulty Reporting System. Shows maintenance issues reported by mechanics for this aircraft type.
AeroGurus Market Estimate AME
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