Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N90SG.
| Tail Number / N-Number | N90SG |
| Manufacturer | ROBINSON HELICOPTER |
| Model | R44 |
| Year Built | 2002 |
| Manufacturer's Serial Number | 1265 |
| 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) |
| Engine Manufacturer | LYCOMING |
| Engine Model | 0-540F1 SERIE |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 260 hp (194 kW) |
| Type of Registrant | Corporation |
| Owner Name | ROBINSON HELICOPTER CO |
| Street | 2901 AIRPORT DR |
| City | TORRANCE |
| State | CA |
| Zip Code | 90505-6115 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2002-10-04 |
| Last Action Date | 2005-11-22 |
| Last Status | Valid Registration |
| Cancellation Date | 2017-07-05 |
| Mode S Code | 53067152 |
| Mode S Code Hex | AC6E6A |