| Tail Number / N-Number | N3956Y |
| Manufacturer | CESSNA |
| Model | 210D |
| Year Built | 1964 |
| Manufacturer's Serial Number | 21058456 |
| 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 | IO 520 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 285 hp (213 kW) |
| Average Cruising Speed | 141 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | WILLIAMS JOHN S |
| Other Names |
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| Street | PO BOX 1075 |
| City | FORT WALTON BEACH |
| State | FL |
| Zip Code | 32549-1075 |
| Region | Southern |
| County | Okaloosa County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1964-06-24 |
| Certificate Issue Date | 2003-08-27 |
| Last Action Date | 2020-11-13 |
| Expiration Date | 2028-02-29 |
| Status | Valid Registration |
| Mode S Code | 51114235 |
| Mode S Code Hex | A4989D |