Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N2553.
| Tail Number / N-Number | N2553 |
| Manufacturer | HUMMEL BENSEN |
| Model | GYROCOPTER |
| Manufacturer's Serial Number | 9022-1 |
| 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 | HUMMEL JACK |
| Street | 9022 N 18 DRIVE |
| City | PHOENIX |
| State | AZ |
| Zip Code | 85021 |
| Region | Western-Pacific |
| Certificate Issue Date | 1969-01-27 |
| Last Status | Valid Registration |
| Cancellation Date | 1970-09-03 |
| Mode S Code | 50466322 |
| Mode S Code Hex | A26CD2 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N2553.
| Tail Number / N-Number | N2553 |
| Manufacturer | ALEXANDER AIRCRAFT CO |
| Model | EAGLEROCK A-1 |
| Year Built | 1927 |
| Manufacturer's Serial Number | UNKNOWN |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | 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 |
| Last Status | Valid Registration |
| Mode S Code | 50466322 |
| Mode S Code Hex | A26CD2 |