| Tail Number / N-Number | N1721G |
| Manufacturer | BEECH |
| Model | P35 |
| Year Built | 1962 |
| Manufacturer's Serial Number | D-6944 |
| 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 | CONT MOTOR |
| Engine Model | I0-470 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 260 hp (194 kW) |
| Average Cruising Speed | 150 miles per hour |
| Type of Registrant | Individual |
| Owner Name | SPARKS GLEN L |
| Street | 7224 S ELWOOD AVE APT 23208 |
| City | TULSA |
| State | OK |
| Zip Code | 74132-2450 |
| Region | Southwestern |
| County | Tulsa County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1962-03-08 |
| Certificate Issue Date | 2008-10-01 |
| Last Action Date | 2021-07-15 |
| Expiration Date | 2028-09-30 |
| Status | Valid Registration |
| Mode S Code | 50221435 |
| Mode S Code Hex | A1231D |