| Tail Number / N-Number | N24721 |
| Manufacturer | PIPER |
| Model | J3C-85 |
| Year Built | 1939 |
| Manufacturer's Serial Number | 3394 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not 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 | A&C65 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 65 hp (48 kW) |
| Average Cruising Speed | 67 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | GAJEWSKI LILLIA M |
| Other Names |
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| Street | 2223 LEWIS AVE |
| City | BILLINGS |
| State | MT |
| Zip Code | 59102-3924 |
| Region | Northwest Mountain |
| County | Yellowstone County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Certificate Issue Date | 2018-03-28 |
| Last Action Date | 2020-12-07 |
| Expiration Date | 2028-03-31 |
| Status | Valid Registration |
| Mode S Code | 50446270 |
| Mode S Code Hex | A24CB8 |