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1966 MOONEY M20E SUPER 21
Starts from the median asking price of 10 comparable MOONEY M20E SUPER 21 listings ($96,750), then adjusts for:
- Year +1 vs comparable listings +1.5%
- Airframe time +595 hr vs comps -1.2%
- Engine time +1,100 hr vs comps -3.3%
- Autopilot (uncommon in comps) +2.0%
- Market supply: 13 for sale of 829 FAA-registered +3.4%
Shown as a range. An estimate from asking-price comparables and FAA supply data — not an appraisal.
Overview
| Make / Model | MOONEY M20E SUPER 21 |
|---|---|
| Type | Single-Engine Piston |
| Airframe time | 5,223 hrs |
| Engine time | 1,833 SMOH |
| Prop blades | 2 |
| Avionics / Other | Garmin GNC 355 |
| ADS-B | Yes |
| Annual | August 2026 |
| Inspection | Annual |
Description
Mooney M20E Super 21, N9220M. A rare covered later-model M20E with no gear-up landing history, no major damage history, and no corrosion noted. This aircraft is equipped with O&N fuel bladders, eliminating leaking wet-wing concerns, and has been well upgraded with modern avionics, LED lighting, new windows, and a strong maintenance history. Powered by a Lycoming IO-360-A1A 200 HP engine with 1,833 hours SMOH. Cylinder compressions are strong at 78/80, 74/80, 72/80, and 74/80 with no rusty barrels noted. Latest oil analysis showed no concerns. Hartzell 2-blade propeller shows 413 hours since new and features a “B” hub with no recurring eddy current inspection required. Avionics and equipment include Garmin GNC 355 WAAS GPS/Com touchscreen with Bluetooth, Garmin GMA 345 audio panel/intercom with USB port, TKM MX-170C digital nav/com, King KN-62A DME, King KT-76A transponder linked to uAvionix TailBeacon ADS-B Out, and a Brittain B-12 Accuflight/Accutrak autopilot with altitude hold and pitch stabilization. Autopilot has been overhauled with new boots and is reported to be in good working condition. Additional upgrades include O&N fuel bladders, new generator, Concorde battery, SkyTec starter, Whelen LED belly strobe anti-collision light, LED landing light, wingtip and tail strobes, new windows and windshield, manual gear and flaps, front seat inertial reel shoulder harnesses, AstroTech digital clock/timer/chronometer mounted in the yoke, vertical card compass, new main tires, and gear pucks replaced. Good paint in white with light blue and medium blue stripes, good blue velour seats, and new carpeting. Fresh annual completed August 2026. Cruises on approximately 8.5 gallons per hour. Logs available on request.
Modifications
O&N fuel bladder conversion, uAvionix TailBeacon ADS-B Out, Garmin GNC 355 WAAS GPS/Com, Garmin GMA 345 audio panel, Brittain B-12 Accuflight/Accutrak autopilot, LED lighting upgrades, new windows and windshield, SkyTec starter, new generator, and Concorde battery. O&N fuel bladders, Whelen LED belly strobe anti-collision light, LED landing light, wingtip and tail strobes, new windows and windshield, front seat inertial reel shoulder harnesses, AstroTech digital clock/timer/chronometer mounted in the yoke, vertical card compass, manual gear and flaps, new main tires, and gear pucks replaced.
Avionics
Garmin GNC 355 WAAS GPS/Com touchscreen with Bluetooth, Garmin GMA 345 audio panel/intercom with USB port, TKM MX-170C digital nav/com, King KN-62A DME, King KT-76A transponder, uAvionix TailBeacon ADS-B Out, and Brittain B-12 Accuflight/Accutrak autopilot with altitude hold and pitch stabilization.
How this aircraft compares
Where this MOONEY M20E SUPER 21 lands versus other MOONEY M20E SUPER 21 listings on fyiAero.
Price
30th pct$74k · 30th percentile of 10 listings
Airframe time
99th pct5,223 hours total (TTAF) · 99th percentile of 10 listings
Engine time
99th pct1,833 hours since major overhaul · 99th percentile of 10 listings
Percentile = share of comparable listings at or below this value. Lower airframe/engine hours are generally fresher; price reflects the asking price only.
General
| Year | 1966 |
|---|---|
| Manufacturer | MOONEY |
| Model | M20E SUPER 21 |
| Condition | Used |
| Registration # | N9220M |
| FlightRules | IFR |
Airframe
| Total Time | 5,223 |
|---|---|
| Complete Logs | Yes |
Engine
| Engine 1 Make/Model | LYCOMING IO-360-A1A |
|---|---|
| Engine 1 Time | 1,833 SMOH |
| Engine TBO | 2000 |
Props
| Prop Manufacturer | HARTZELL |
|---|---|
| Prop Time | 413 SNEW |
| Number of Blades | 2 |
Avionics
| Auto Pilot | Yes |
|---|---|
| Autopilot Manufacturer/Model | BRITTAIN INDUSTRIES |
| ADS-B Equipped | Yes |
| WAAS | Yes |
| LPV | Yes |
| Avionics/Radios | Garmin GNC 355 WAAS GPS/Com touchscreen with Bluetooth, Garmin GMA 345 audio panel/intercom with USB port, TKM MX-170C digital nav/com, King KN-62A DME, King KT-76A transponder, uAvionix TailBeacon ADS-B Out, and Brittain B-12 Accuflight/Accutrak autopilot with altitude hold and pitch stabilization. |
Additional Equipment
| Additional Equipment | O&N fuel bladders, Whelen LED belly strobe anti-collision light, LED landing light, wingtip and tail strobes, new windows and windshield, front seat inertial reel shoulder harnesses, AstroTech digital clock/timer/chronometer mounted in the yoke, vertical card compass, manual gear and flaps, new main tires, and gear pucks replaced. |
|---|
Modifications/Conversions
| Modifications/Conversions | O&N fuel bladder conversion, uAvionix TailBeacon ADS-B Out, Garmin GNC 355 WAAS GPS/Com, Garmin GMA 345 audio panel, Brittain B-12 Accuflight/Accutrak autopilot, LED lighting upgrades, new windows and windshield, SkyTec starter, new generator, and Concorde battery. |
|---|
Inspection Status
| Inspection Status | Fresh annual completed August 2026. Pitot static and transponder completed August 2025. All ADs complied with. |
|---|
