1979 Mooney M20K
Single Engine Piston
Aircraft Details
Seller reportedAvionics & Equipment
IFRDescription
For Sale from Georgia. UPGRADED to the -MB (252) engine (ModSquad '262' Conversion). LOADED with Avionics including the GFC-500 Autopilot, GFC-750 and Glass ADI/HSI.
Engine
1509 Hours Since Factory Rebuilt ('0' timed at last overhaul). Upgraded to the ModSquad '262' Conversion - Continental TSIO-360-MB (The engine on the Mooney M20K '252') The -MB engine has a fully automatic wastegate (no overboostin), intercooler and tuned induction system. Upgraded to the 252 cowling also (better cowl flap. Compressions at the 2025 annual: 70 / 78 / 78 / 78 / 76 / 78. Regular Blackstone Oil Analysis at oil change (regular 25 hour oil changes with one quart added between changes).
Propeller
New 3-Blade Hartzell Prop (installed October 2025).
Interior
Chocolate Perforated Leather Seats with Tan Carpets.
Exterior
Early 1990's Scheme (Bravo/MSE Split Scheme). White over Teal with Gold Trim. Hangared.
Inspection
Annual Due September 2026. Good Maintenance History. Current Annual by Cole Aviation (Mooney Service Center - Dalton GA). New Left Magneto replaced with a SureFly Electronic Mag at Annual. Right Mag 500 hour performed a few hours before annual. New Mag Harnesses at Annual.
Modifications / STCs
• JPI EDM-830 Engine Monitor / Fuel Computer.
• Surefly Electronic Ignition.
• Precise Flight Speed Brakes.
• One Piece Fiberglass Belly.
• USB Chargers.
• Complete LED Lighting.
• Second Alternator.
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 |
|---|---|---|---|---|---|---|
|
GMax American Aircraft
controller.com
|
$149,000
|
Lawrenceville, GA | Mar 25, 2026 | — | Active | |
|
GMax American Aircraft
controlleremea.co.uk
|
$151,711 *
GBP £112,608
|
Lawrenceville, GA | Apr 08, 2026 | — | Active | |
|
GMax American Aircraft
aviationtrader.com.au
|
$153,594
|
Lawrenceville, Australia | Apr 07, 2026 | — | Active |
* Converted to USD at daily European Central Bank (ECB) exchange rates
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AeroGurus Data & Analysis
Independent data from FAA, NTSB, and market analysis
About This Mooney M20K
This 1979 Mooney M20K (N133SM) is a single engine piston with 5,112 hours on the airframe. There are currently 45 M20K aircraft listed for sale with asking prices ranging from $68,729 to $326,500. This aircraft is priced below the market average at $149,000.
NTSB records show 0 incidents for this airframe — a clean safety record. There are 2 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
Ownership & Registration
FAA registration data pending for N133SM.
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 N133SM against the NTSB accident database.
Airworthiness Directives — Mooney M20K
ADs are mandatory safety instructions issued by the FAA. 2 recent ADs found for this aircraft type.
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 M20K
SDRs are reports filed by mechanics about problems found during maintenance. 10 recent reports for this aircraft type.
E051424 LH CABIN OMEGA BEAM #2 GUSSETT IS CORRODED. RAR THE LH CABIN OMEGA BEAM #2 GUSSET IAW EMB 145 SRM 51-40-02.
E051425 LH CABIN OMEGA BEAM #3 GUSSETT IS CORRODED. RAR LH CABIN OMEGA BEAM #3 GUSSET IAW EMB 145 SRM 51-40-02.
E050583 LH OMEGA BEAM GUSSET CORRODED BTWN FR 50-51. RAR THE LH OMEGA BEAM GUSSET BTWN FR 45-53 IAW EMB 145 SRM 51-40-02.
SUBJECT: REPETITIVE VIOLATIONS OF PART 43: SIGNING TOURISM BY A&P MECHANIC DESIGNATED TO ACT ACCORDING TO BUT NOT COMPLYING WITH PART 43.3 D.MAJOR DAMAGE ON ENGINE DURING REINSTALLATION IN GERMANY AFTER TOTAL OVERHAUL IN USA BY NEGLEGENCE OF MANUFACT...
REAR NOSE GEAR TRUSS BROKE UPON LANDING. MECHANIC SUSPECTED AIRLINE CRACK IN PART THAT WAS NOT OBSERVABLE DURING INSPECTIONS. THIS SDR IS BEING SUBMITTED BY FAA ASI, FOR THE OWNER, WHO IS IIC FOR THE INCIDENT THAT THIS AIRCRAFT WAS INVOLVED IN.
THE BAGGAGE DOOR WAS LATCHED PRIOR TO FLIGHT. AFTER TAKEOFF AT ABOUT 500 FEET AGL THE BAGGAGE DOOR BLEW OPEN AND SUSTAINED SUBSTANTIAL DAMAGE. THE PILOT LANDED WITHOUT FURTHER INCIDENT. UPON LANDING AN A&P INSPECTED THE LATCH AND OBSERVED IT WAS ST...
DURING THE TAKEOFF ROLL, THE PILOT'S SEAT SUDDENLY BROKE LOOSE AND MOVED FULL AFT. THE CAUSE WAS FOUND TO BE A CRACKED BELLCRANK TUBE UNDER THE PILOT'S SEAT. I WILL FORWARD PHOTOS.
FUEL LINE FROM PRIMER SOLENOID TO THROTTLE BODY,BROKE IN HALF UNDER B-NUT, CAUSING THE ENGINE TO LOSE FUEL SUPPLY TO THROTTLE BODY.
V BAND CLAMP HOLDING TURBOCHARGER ONTO EXHAUST BROKE AT THE SPOT WELD.
(CAN) OWNER ASK TO HAVE A FUEL LEAK REPAIRED AND COMPLAINED THAT FUEL DRAINING WAS VERY SLOW. AFTER DRAINING TANKS IT WAS NOTED THAT AN UNAPPROVED REPAIR HAD BEEN UNDERTAKEN AND THE SEALANT APPLIED COVERED THE DRAIN CHANNEL TO THE QUICK DRAIN. IN ORD...
Source: FAA Service Difficulty Reporting System. Shows maintenance issues reported by mechanics for this aircraft type.
Price History
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