| Tail Number / N-Number | N5509Q |
| Manufacturer | MOONEY |
| Model | M20C |
| Year Built | 1965 |
| Manufacturer's Serial Number | 2943 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | O&VO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 127 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | STEPHENS HAROLD E TRUSTEE |
| Other Names |
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| Street | 1390 BROADWAY STE B # 144 |
| City | PLACERVILLE |
| State | CA |
| Zip Code | 95667-5900 |
| Region | Western-Pacific |
| County | El Dorado County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1965-02-04 |
| Certificate Issue Date | 1997-07-29 |
| Last Action Date | 2020-06-10 |
| Expiration Date | 2027-10-31 |
| Status | Valid Registration |
| Mode S Code | 51601415 |
| Mode S Code Hex | A7030D |