| Tail Number / N-Number | N721RX |
| Manufacturer | MOONEY |
| Model | M20E |
| Year Built | 1970 |
| Manufacturer's Serial Number | 700060 |
| 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 | Individual |
| Owner Name | LAMM DONALD L |
| Street | 4473 E MOCKINGBIRD LN |
| City | PARADISE VALLEY |
| State | AZ |
| Zip Code | 85253-2400 |
| Region | Western-Pacific |
| County | Maricopa County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1970-06-19 |
| Certificate Issue Date | 1993-12-21 |
| Last Action Date | 2021-10-04 |
| Expiration Date | 2029-01-31 |
| Status | Valid Registration |
| Mode S Code | 52324320 |
| Mode S Code Hex | A9A8D0 |