Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4181K.
| Tail Number / N-Number | N4181K |
| Manufacturer | RYAN |
| Model | NAVION |
| Year Built | 1948 |
| Manufacturer's Serial Number | NAV-4-1181 |
| 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) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | E185 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 205 hp (153 kW) |
| Average Cruising Speed | 126 miles per hour |
| Type of Registrant | Individual |
| Owner Name | HANSEN DON K |
| Street | 21621 E US 50 |
| City | ROCKY FORD |
| State | CO |
| Zip Code | 81067 |
| Country | US |
| Airworthiness Classification | Standard |
| Certificate Issue Date | 1996-03-27 |
| Last Action Date | 2002-09-17 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 2002-12-03 |
| Mode S Code | 51172135 |
| Mode S Code Hex | A4F45D |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4181K.
| Tail Number / N-Number | N4181K |
| Manufacturer | ROBINSON HELICOPTER COMPANY |
| Model | R44 II |
| Manufacturer's Serial Number | 12531 |
| 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 |
| Type of Registrant | Corporation |
| Owner Name | HELISTREAM INC |
| Street | 3000 AIRWAY AVE STE 350 |
| City | COSTA MESA |
| State | CA |
| Zip Code | 92626-6071 |
| Country | US |
| Last Action Date | 2008-10-31 |
| Last Status | Valid Registration |
| Cancellation Date | 2008-11-04 |
| Exported To | ITALY |
| Mode S Code | 51172135 |
| Mode S Code Hex | A4F45D |