Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4258U.
| Tail Number / N-Number | N4258U |
| Manufacturer | FAIRCHILD HILLER |
| Model | FH-1100 |
| Manufacturer's Serial Number | 58 |
| 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 | 172 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | CONQUEST HELICOPTERS INC |
| Street | 1123 NW GRAHAM RD 300 |
| City | TROUTDALE |
| State | OR |
| Zip Code | 97060 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1981-04-08 |
| Certificate Issue Date | 1992-10-26 |
| Last Action Date | 1998-12-22 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2013-06-07 |
| Mode S Code | 51210665 |
| Mode S Code Hex | A511B5 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4258U.
| Tail Number / N-Number | N4258U |
| Manufacturer | CESSNA |
| Model | 150D |
| Manufacturer's Serial Number | 15060258 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 90 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | CESSNA AIRCRAFT COMPANY |
| Street | 5800 PAWNEE ROAD |
| City | WICHITA |
| State | KS |
| Zip Code | 67207 |
| Region | Central |
| Last Status | Valid Registration |
| Cancellation Date | 1964-09-27 |
| Exported To | NIGERIA |
| Mode S Code | 51210665 |
| Mode S Code Hex | A511B5 |