| Tail Number / N-Number | N666XX |
| Type of Reservation | 2 year hold for canceled N-numbers |
| Reserving Party Name | CANCELLED/NOT ASSIGNED |
| Date Reserved | 2021-10-30 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N666XX.
| Tail Number / N-Number | N666XX |
| Manufacturer | HURD DANNY A |
| Model | HARMON ROCKET II |
| Year Built | 2001 |
| Manufacturer's Serial Number | 151 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | IO-540 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 300 hp (224 kW) |
| Kit Manufacturer | HARMON ROCKET LLC |
| Kit Model | HARMON ROCKET II |
| Type of Registrant | Corporation |
| Owner Name | AERO OPTICS INC |
| Street | 48015 513TH AVE |
| City | AGUILA |
| State | AZ |
| Zip Code | 85320 |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2001-01-18 |
| Certificate Issue Date | 2018-07-18 |
| Last Action Date | 2018-07-27 |
| Last Status | Registration Expired - Pending Cancellation |
| Cancellation Date | 2021-10-30 |