| Tail Number / N-Number | N651B |
| Manufacturer | BEECH |
| Model | D18S |
| Year Built | 1949 |
| Manufacturer's Serial Number | A-478 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 10 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | P&W |
| Engine Model | R-985 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 450 hp (336 kW) |
| Total Horsepower | 900 hp (671 kW) |
| Average Cruising Speed | 165 miles per hour |
| Type of Registrant | LLC |
| Owner Name | SJC IV LLC |
| Street | 730 NEW HAMPSHIRE STE 206 |
| City | LAWRENCE |
| State | KS |
| Zip Code | 66044-2776 |
| Region | Central |
| County | Douglas County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1981-03-24 |
| Certificate Issue Date | 2012-12-06 |
| Last Action Date | 2021-07-14 |
| Expiration Date | 2028-12-31 |
| Status | Valid Registration |
| Mode S Code | 52110212 |
| Mode S Code Hex | A8908A |