Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N538Y.
| Tail Number / N-Number | N538Y |
| Manufacturer | BENSEN GYROCOPTER |
| Model | B8 |
| Year Built | 1964 |
| Manufacturer's Serial Number | J-I-1 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 45 miles per hour |
| Type of Registrant | Individual |
| Owner Name | PLONSKY FRANK J |
| Street | 17 WINTERSET DRIVE |
| City | ROCHESTER |
| State | NY |
| Zip Code | 14625 |
| Region | Eastern |
| Certificate Issue Date | 1966-05-26 |
| Last Status | Valid Registration |
| Cancellation Date | 1970-09-03 |
| Mode S Code | 51550113 |
| Mode S Code Hex | A6D04B |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N538Y.
| Tail Number / N-Number | N538Y |
| Manufacturer | COMMONWEALTH |
| Model | REARWIN JUNIOR 3000 |
| Manufacturer's Serial Number | 207 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 78 miles per hour |
| Type of Registrant | Individual |
| Owner Name | KINGSTON J R |
| Street | 2627 GLENCE ST |
| City | DENVER |
| State | CO |
| Zip Code | 80002 |
| Region | Northwest Mountain |
| Certificate Issue Date | 1935-08-05 |
| Last Status | Valid Registration |
| Cancellation Date | 1936-09-01 |
| Mode S Code | 51550113 |
| Mode S Code Hex | A6D04B |