| Tail Number / N-Number | N558B |
| Manufacturer | BEECH |
| Model | B-55 |
| Manufacturer's Serial Number | TC-2341 |
| Aircraft Type | Fixed wing multi 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) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 157 miles per hour |
| Type of Registrant | Individual |
| Owner Name | ASHBY CLARK S |
| Street | 1395 N 300 E |
| City | PLEASANT GROVE |
| State | UT |
| Zip Code | 84062-1897 |
| Region | Northwest Mountain |
| County | Utah County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1982-05-17 |
| Certificate Issue Date | 2013-11-26 |
| Last Action Date | 2022-06-13 |
| Expiration Date | 2029-11-30 |
| Status | Valid Registration |
| Mode S Code | 51616474 |
| Mode S Code Hex | A71D3C |