1991 Mooney M20M
Single Engine Piston
Aircraft Details
Seller reportedAvionics & Equipment
BTHDescription
488AT had been stored in a hangar for over six years and was missing its logbooks when I first found it. After locating the owner, I purchased the aircraft and had new logbooks created, with all ADs brought fully up to date. After a few initial flights, the engine began running rough intermittently, so I took it to a highly regarded mechanic for a detailed inspection. Upon removing the #5 valve cover, he discovered corrosion on both the intake and exhaust springs and pushrods. Since addressing the issue, I've flown 488AT three times with no further engine problems. I've also upgraded the oxygen system, break lines, fuel lines, and taxi lighting. The interior is in excellent condition and has clearly been well cared for. Would you like to own this?
Engine
Lycoming TIO-540-AF1A turbocharged, fuel-injected, six-cylinder.
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 |
|---|---|---|---|---|---|---|
|
Joshua Sizemore
trade-a-plane.com
|
$105,000
|
Jacksonville, FL | Apr 01, 2026 | — | Active |
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AeroGurus Data & Analysis
Independent data from FAA, NTSB, and market analysis
About This Mooney M20M
This 1991 Mooney M20M (488AT) is a 4-seat single engine piston with 1,260 hours on the airframe. There are currently 25 M20M aircraft listed for sale with asking prices ranging from $105,000 to $349,900. This aircraft is priced below the market average at $105,000.
Operating costs: Fuel burn is 16 GPH (61 L/h), which at current Jet-A prices (~$5.50/gal) means approximately $88/hr in fuel alone. Total variable cost including maintenance reserves is approximately $180/hr. Annual fixed costs (hangar, insurance, crew, annual inspection) average $22,000. With 1,260 hours on the airframe, this aircraft has 740 hours remaining to engine TBO .
NTSB records show 0 incidents for this airframe — a clean safety record. There are 4 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 M20M — Model Specs
Model specificationStandard specs for this model. Actual aircraft may differ.
Estimated Cost of Ownership
AeroGurus estimateMOONEY M20M
AeroGurus estimates based on industry averages for the MOONEY M20M. Actual costs vary by location, usage, maintenance history, and configuration. Not a financial quote.
Ownership & Registration
FAA registry covers US-registered aircraft (N-numbers).
This aircraft (488AT) is registered outside the US.
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 488AT against the NTSB accident database.
Airworthiness Directives — Mooney M20M
ADs are mandatory safety instructions issued by the FAA. 4 recent ADs found for this aircraft type.
Mooney Airplane Company, Inc., (Mooney) Models M20M and M20R 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 →Source: FAA Airworthiness Directives database. Showing most recent ADs for this aircraft type.
Service Difficulty Reports — Mooney M20M
SDRs are reports filed by mechanics about problems found during maintenance. 10 recent reports for this aircraft type.
AIRCRAFT CAME IN FOR ANNUAL INSPECTION WITH PILOT-REPORTED DISCREPANCY OF AVIONICS FAN CIRCUIT BREAKER INTERMITTENT TRIPPING AND #2 ALTERNATOR INTERMITTENT FAULT LIGHT. DURING PRELIMINARY SYSTEMS CHECK IT WAS DISCOVERED THAT THE AVIONICS FAN CIRCUIT ...
DURING INSPECTION, SEVERE INTERGRANULAR CORROSION HAS BEEN FOUND IN TWO PLACES ON THE UPPER MAIN SPAR CAP.
LOWER ENGINE MOUNT TUBE BETWEEN THE LOWER AFT MOUNTS WAS CHAFED APPROX HALFWAY THROUGH. INSPECTION REVEALED THAT AN OIL LINE ON THE BOTTOM REAR ENGINE THAT WAS ROUTED BETWEEN THE MOUNT AND THE FUEL CONTROL UNIT WAS THE CAUSE OF THE CHAFING. THERE IS...
DURING ANNUAL INSP THE ACFT WAS JACKED AND LANDING GEAR TESTED. EMERGENCY ESTENSION SYS TESTED. FOUND LOOSE NUT. FINGER TIGHT ONLY AT PULLEY WITHIN BELLY AREA FOR EMERGENCY EXTENSION SYSTEM PULL CABLE. ANA-7A BOLT, AN960-10L WASHER AND AN363-428 ...
TURBOCHARGER V BAND CLAMP PN NH1009399-10/40D23255-340M FOUND CRACKED .7500 THRU OUTER STRAP. AD2004-23-17, EFF. DATE 12/1/2004 CALLS FOR REPLACEMENT OF THIS CLAMP. THIS IS THE NEW STYLE CLAMP THAT WAS FOUND CRACKED. CLAMP OUTER STRAP CRACK IS WIT...
CUSTOMER SENT IN THE EXHAUST SYSTEM BECAUSE OF CRACKS FOUND IN THE WELDS OF THE RISER LEGS TO THE STACK TUBES OF THE NR 1 AND NR 2 SECTIONS. ADVISED CUSTOMER TO REPLACE COMPONENTS. CUSTOMER BOUGHT NEW PARTS AND BROUGHT THEM IN TO HAVE ATTACHING PIEC...
DURING PROP REMOVAL FOR A GROUND STRIKE, FOUND CRANKSHAFT WELSH PLUG LOGGED IN THE PROP HOUSING, RESTRICTING OIL FLOW TO PROP. ENGINE HAD BEEN INSTALLED 30 DAYS EARLIER, 4 HOURS SINCE INSTALL. (K)
COMBINATION VOLTAGE AND OVERVOLTAGE REGULATOR FAILED. THIS FAILURE CAUSED A VOLTAGE SPIKE IN THE ELECTRICAL SYSTEM WHICH IN TURN DAMAGED ALL OF THE COM AND NAV RADIOS, THE ANNUNCIATOR PANEL, AND NUMEROUS COMPUTER RELATED AVIONICS ITEMS. MULTIPLE LI...
AVIONICS BLOWER AND COWL FLAP BREAKER POPPED IN FLIGHT, UNABLE TO RESET. LANDING AND TAXI CIRCUITS DRAW 18 AMPS EACH AND WERE ROUTED THROUGH CIRCUIT BREAKER DISCONNECT WITH CONTACT RATING OF 13 AMPS EACH. THE OVERHEATED CONNECTION MELTED INSULATION O...
PILOT SEAT HEIGHT ADJUST BELL CRANK CRACKED AND SPLIT OPEN ON RT SIDE. THIS CAUSED SEAT TO LEAN DOWN TO THE RT. CRACK APPEARS TO START AT A WELD ON THE END OF THE TUBE. CRACK CONTINUED IN SPIRAL TOWARD ACTUATOR ATTACH POINT. OPPOSITE END OF TUBE ...
Source: FAA Service Difficulty Reporting System. Shows maintenance issues reported by mechanics for this aircraft type.
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