Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4507.
| Tail Number / N-Number | N4507 |
| Manufacturer | HILLER |
| Model | OH-23F |
| Year Built | 1961 |
| Manufacturer's Serial Number | 61-3229 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Not 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 | 75 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | SUMMIT HELICOPTERS INC |
| Street | PO BOX 39 |
| City | CLOVERDALE |
| State | VA |
| Zip Code | 24077-0039 |
| Country | US |
| Certificate Issue Date | 2000-04-11 |
| Last Action Date | 2009-04-21 |
| Last Status | Third Notice for Re-Registration/Renewal |
| Cancellation Date | 2015-01-08 |
| Mode S Code | 51272551 |
| Mode S Code Hex | A57569 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4507.
| Tail Number / N-Number | N4507 |
| Manufacturer | ALEXANDER |
| Model | LONG WING EAGLEROCK |
| Manufacturer's Serial Number | 422 |
| 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 | Individual |
| Owner Name | J W OSTERHOUSE |
| Street | GEN DEL |
| City | STANTON |
| State | ND |
| Zip Code | 58501 |
| Region | Great Lakes |
| Last Status | Valid Registration |
| Cancellation Date | 1933-02-10 |
| Mode S Code | 51272551 |
| Mode S Code Hex | A57569 |