| Tail Number / N-Number | N6403Q |
| Manufacturer | MOONEY |
| Model | M20C |
| Year Built | 1967 |
| Manufacturer's Serial Number | 670143 |
| 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 | MILLER FRED J |
| Other Names |
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| Street | 18542 S RUBY AIRPARK DR HC 70 BOX 4163 |
| City | SAHUARITA |
| State | AZ |
| Zip Code | 85629-8632 |
| Region | Western-Pacific |
| County | Pima County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1967-08-18 |
| Certificate Issue Date | 1998-08-04 |
| Last Action Date | 2020-10-08 |
| Expiration Date | 2028-02-29 |
| Status | Valid Registration |
| Mode S Code | 52064013 |
| Mode S Code Hex | A8680B |