Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4479U.
| Tail Number / N-Number | N4479U |
| Manufacturer | ROBINSON HELICOPTER |
| Model | R22 BETA |
| Year Built | 2012 |
| Manufacturer's Serial Number | 4555 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | 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 | O-360-J2A |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 145 hp (108 kW) |
| Type of Registrant | Corporation |
| Owner Name | SPECIALIZED HELICOPTERS LLC |
| Street | 150 AVIATION WAY STE 101 |
| City | WATSONVILLE |
| State | CA |
| Zip Code | 95076-2047 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2012-03-14 |
| Last Action Date | 2012-04-16 |
| Last Status | Valid Registration |
| Cancellation Date | 2012-10-04 |
| Exported To | BRAZIL |
| Mode S Code | 51264104 |
| Mode S Code Hex | A56844 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4479U.
| Tail Number / N-Number | N4479U |
| Manufacturer | CESSNA |
| Model | 150D |
| Year Built | 1964 |
| Manufacturer's Serial Number | 15060479 |
| 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) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | 0-200 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 100 hp (75 kW) |
| Average Cruising Speed | 90 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | SALE REPORTED |
| Street | P. O. BOX 25082 |
| City | OKLAHOMA CITY |
| State | OK |
| Zip Code | 73125 |
| Country | US |
| Airworthiness Classification | Standard |
| Last Action Date | 1977-01-14 |
| Last Status | Sale reported |
| Cancellation Date | 1974-08-16 |
| Mode S Code | 51264104 |
| Mode S Code Hex | A56844 |