| Tail Number / N-Number | N6633L |
| Manufacturer | ROBINSON HELICOPTER CO |
| Model | R66 |
| Manufacturer's Serial Number | 1211 |
| Aircraft Type | Rotorcraft |
| 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 |
| Type of Registrant | Corporation |
| Owner Name | ROBINSON HELICOPTER CO |
| Street | 2901 AIRPORT DR |
| City | TORRANCE |
| State | CA |
| Zip Code | 90505-6115 |
| Region | Western-Pacific |
| County | Los Angeles County |
| Country | US |
| Fractional Ownership | No |
| Last Action Date | 2022-09-15 |
| Status | Aircraft registered to the manufacturer under their Dealer Certificate |
| Mode S Code | 52141052 |
| Mode S Code Hex | A8C22A |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N6633L.
| Tail Number / N-Number | N6633L |
| Manufacturer | PIPER |
| Model | PA-31 |
| Year Built | 1970 |
| Manufacturer's Serial Number | 31-569 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 8 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Type of Registrant | Corporation |
| Owner Name | CATLIN AVIATION CO |
| Street | PO BOX 59906 |
| City | OKLAHOMA CITY |
| State | OK |
| Zip Code | 73159 |
| Region | Southwestern |
| County | Los Angeles County |
| Last Status | Valid Registration |
| Cancellation Date | 1971-07-02 |
| Exported To | UNITED KINGDOM |