Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N509B.
| Tail Number / N-Number | N509B |
| Manufacturer | BEECH |
| Model | E18S |
| Manufacturer's Serial Number | BA450 |
| 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 | MODERN AERO INC |
| Street | REDBIRD ARPT |
| City | DALLAS |
| State | TX |
| Zip Code | 75232 |
| Region | Southwestern |
| Certificate Issue Date | 1973-12-19 |
| Last Status | Valid Registration |
| Cancellation Date | 1977-08-22 |
| Mode S Code | 51455570 |
| Mode S Code Hex | A65B78 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N509B.
| Tail Number / N-Number | N509B |
| Manufacturer | BEECH |
| Model | A35 |
| Manufacturer's Serial Number | D-1532 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 120 miles per hour |
| Type of Registrant | Individual |
| Owner Name | KEOHLER HANS VANN |
| Street | KOEHLER ROAD |
| City | BOONTON |
| State | NJ |
| Zip Code | 07005 |
| Region | Eastern |
| Certificate Issue Date | 1957-03-12 |
| Last Status | Valid Registration |
| Cancellation Date | 1957-08-07 |
| Mode S Code | 51455570 |
| Mode S Code Hex | A65B78 |