Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N3578B.
| Tail Number / N-Number | N3578B |
| Manufacturer | BEECH |
| Model | B50 |
| Year Built | 1954 |
| Manufacturer's Serial Number | CH-38 |
| 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) |
| Engine Manufacturer | LYCOMING |
| Engine Model | GO-435C&D SER |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 260 hp (194 kW) |
| Total Horsepower | 520 hp (388 kW) |
| Average Cruising Speed | 167 miles per hour |
| Type of Registrant | Individual |
| Owner Name | BOLTON CUSTER J |
| Street | VIA ROMA 18 |
| City | TRIESTE |
| Country | IT |
| Airworthiness Classification | Standard |
| Certificate Issue Date | 1974-09-17 |
| Last Action Date | 1977-06-14 |
| Last Status | Revoked – Canceled |
| Cancellation Date | 2014-12-22 |
| Mode S Code | 51001100 |
| Mode S Code Hex | A40240 |