Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N504RS.
| Tail Number / N-Number | N504RS |
| Manufacturer | ROBINSON HELICOPTER |
| Model | R22 BETA |
| Year Built | 1990 |
| Manufacturer's Serial Number | 1504 |
| 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 | 0-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Corporation |
| Owner Name | ROBINSON HELICOPTER COMPANY |
| Street | 24747 CRENSHAW BLVD |
| City | TORRANCE |
| State | CA |
| Zip Code | 90505 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1990-08-16 |
| Last Action Date | 1992-09-17 |
| Last Status | Valid Registration |
| Cancellation Date | 2003-07-18 |
| Mode S Code | 51445124 |
| Mode S Code Hex | A64A54 |