Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N643B.
| Tail Number / N-Number | N643B |
| Manufacturer | BEECH |
| Model | D18S |
| Manufacturer's Serial Number | A442 |
| 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) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 165 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | BEECH AIRCRAFT CORP |
| Street | XXXXXXX |
| City | WICHITA |
| State | KS |
| Zip Code | 67201 |
| Region | Central |
| Certificate Issue Date | 1949-02-01 |
| Last Status | Valid Registration |
| Cancellation Date | 1949-11-02 |
| Exported To | EGYPT |
| Mode S Code | 52070171 |
| Mode S Code Hex | A87079 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N643B.
| Tail Number / N-Number | N643B |
| Manufacturer | BEECH |
| Model | D18S |
| Year Built | 1951 |
| Manufacturer's Serial Number | A-553 |
| 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 | Individual |
| Owner Name | SALE REPORTED |
| Street | 3403 AUDOBON 10 |
| City | HOUSTON |
| State | TX |
| Zip Code | 77006 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1955-10-07 |
| Last Action Date | 1980-10-11 |
| Last Status | Sale Reported – Canceled |
| Cancellation Date | 2012-09-20 |
| Mode S Code | 52070171 |
| Mode S Code Hex | A87079 |