Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4028K.
| Tail Number / N-Number | N4028K |
| Manufacturer | HILLER |
| Model | UH-12E |
| Manufacturer's Serial Number | 5069 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | 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 | 72 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | BONANZA VALLEY AVIATION INC |
| Street | PO BOX 207 |
| City | BROOTEN |
| State | MN |
| Zip Code | 56316 |
| Country | US |
| Certificate Issue Date | 1982-02-22 |
| Last Action Date | 2006-02-03 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2018-01-18 |
| Mode S Code | 51133611 |
| Mode S Code Hex | A4B789 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4028K.
| Tail Number / N-Number | N4028K |
| Manufacturer | NORTH AMERICAN |
| Model | NAVION A |
| Manufacturer's Serial Number | NAV-4-1028 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 5 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 126 miles per hour |
| Type of Registrant | Individual |
| Owner Name | ITHACA FLYING SERVICE INC |
| Street | MUNICIPAL AIRPORT |
| City | ITHACA |
| State | NY |
| Zip Code | 14850 |
| Region | Eastern |
| Certificate Issue Date | 1950-06-09 |
| Last Status | Valid Registration |
| Cancellation Date | 1955-10-04 |
| Mode S Code | 51133611 |
| Mode S Code Hex | A4B789 |