| Tail Number / N-Number | N631D |
| Manufacturer | BEECH |
| Model | C35 |
| Year Built | 1951 |
| Manufacturer's Serial Number | D-2893 |
| 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 | E225 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 225 hp (168 kW) |
| Average Cruising Speed | 120 miles per hour |
| Type of Registrant | LLC |
| Owner Name | D63 HOLDINGS LLC |
| Street | PO BOX 537 |
| City | STUARTS DRAFT |
| State | VA |
| Zip Code | 24477-0537 |
| Region | Eastern |
| County | Augusta County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1956-05-29 |
| Certificate Issue Date | 2019-06-27 |
| Last Action Date | 2022-01-24 |
| Expiration Date | 2029-06-30 |
| Status | Valid Registration |
| Mode S Code | 52040676 |
| Mode S Code Hex | A841BE |