Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N5664.
| Tail Number / N-Number | N5664 |
| Manufacturer | AVRO |
| Model | 504K |
| Manufacturer's Serial Number | 501 (SUB) |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 3 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Corporation |
| Owner Name | CLEVELAND SCHOOL OF AVIATION INC |
| Street | 1816 EUCLID AVE |
| City | CLEVELAND |
| State | OH |
| Zip Code | 44115 |
| Region | Great Lakes |
| Certificate Issue Date | 1928-04-30 |
| Last Status | Valid Registration |
| Cancellation Date | 1930-03-20 |
| Mode S Code | 51640030 |
| Mode S Code Hex | A74018 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N5664.
| Tail Number / N-Number | N5664 |
| Manufacturer | BENSEN |
| Model | B-8M |
| Manufacturer's Serial Number | 169321656 |
| Aircraft Type | Gyroplane |
| 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 | MARCH JOSEPH A |
| Street | 1234 ASHBRIDGE ROAD |
| City | WEST CHESTER |
| State | PA |
| Zip Code | 19380 |
| Country | US |
| Last Action Date | 1977-01-14 |
| Last Status | Revoked – Canceled |
| Cancellation Date | 2012-10-03 |
| Mode S Code | 51640030 |
| Mode S Code Hex | A74018 |