| Tail Number / N-Number | N9121V |
| Manufacturer | MOONEY |
| Model | M20F |
| Year Built | 1969 |
| Manufacturer's Serial Number | 690029 |
| 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 | I0360 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 | DIERKER DAVID J |
| Other Names |
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| Street | 5206 N BENTWOOD DR |
| City | SAN ANGELO |
| State | TX |
| Zip Code | 76904-8049 |
| Region | Southwestern |
| County | Tom Green County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1969-01-29 |
| Certificate Issue Date | 2015-07-07 |
| Last Action Date | 2021-05-30 |
| Expiration Date | 2028-07-31 |
| Status | Valid Registration |
| Mode S Code | 53120250 |
| Mode S Code Hex | ACA0A8 |