Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4992B.
| Tail Number / N-Number | N4992B |
| Manufacturer | BEECH |
| Model | D-50 |
| Year Built | 1956 |
| Manufacturer's Serial Number | DH-49 |
| 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-480 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 295 hp (220 kW) |
| Total Horsepower | 590 hp (440 kW) |
| Average Cruising Speed | 167 miles per hour |
| Type of Registrant | Individual |
| Owner Name | BOEKELMAN LEONARD V |
| Street | 4074 171ST SE |
| City | BELLEVUE |
| State | WA |
| Zip Code | 98008 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1956-04-05 |
| Certificate Issue Date | 1981-09-15 |
| Last Action Date | 1999-07-29 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2013-10-23 |
| Mode S Code | 51432047 |
| Mode S Code Hex | A63427 |