| Tail Number / N-Number | N1721K |
| Manufacturer | LUSCOMBE |
| Model | 8E |
| Manufacturer's Serial Number | 4448 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | C85 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 85 hp (63 kW) |
| Average Cruising Speed | 86 miles per hour |
| Type of Registrant | Individual |
| Owner Name | LETKEMAN JOHN K |
| Street | 598 COUNTY ROAD 305 |
| City | SEMINOLE |
| State | TX |
| Zip Code | 79360-5723 |
| Region | Southwestern |
| County | Gaines County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1955-07-22 |
| Certificate Issue Date | 2018-01-31 |
| Last Action Date | 2021-01-25 |
| Expiration Date | 2028-01-31 |
| Status | Valid Registration |
| Mode S Code | 50221440 |
| Mode S Code Hex | A12320 |