| Tail Number / N-Number | N550MB |
| Manufacturer | BEECH |
| Model | S35 |
| Year Built | 1964 |
| Manufacturer's Serial Number | D-7610 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 6 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 | 150 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | SOMMER WILLIAM A CO-TRUSTEE |
| Other Names |
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| Street | 109 KELSEYA CIR |
| City | PAGOSA SPRINGS |
| State | CO |
| Zip Code | 81147-7979 |
| Region | Northwest Mountain |
| County | Archuleta County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1964-09-08 |
| Certificate Issue Date | 2006-02-27 |
| Last Action Date | 2022-02-19 |
| Expiration Date | 2029-07-31 |
| Status | Valid Registration |
| Mode S Code | 51600200 |
| Mode S Code Hex | A70080 |