| Tail Number / N-Number | N521RS |
| Manufacturer | SCHWEIZER |
| Model | 269C |
| Year Built | 2006 |
| Manufacturer's Serial Number | S1891 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 3 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | HIO-360-D1A |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 190 hp (142 kW) |
| Type of Registrant | Corporation |
| Owner Name | COLORADO HELI-OPS INC |
| Street | 11855 AIRPORT WAY |
| City | BROOMFIELD |
| State | CO |
| Zip Code | 80021-2760 |
| Region | Northwest Mountain |
| County | Adams County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2006-08-04 |
| Certificate Issue Date | 2015-12-05 |
| Last Action Date | 2021-12-08 |
| Expiration Date | 2028-12-31 |
| Status | Valid Registration |
| Mode S Code | 51507055 |
| Mode S Code Hex | A68E2D |