| Tail Number / N-Number | N631CK |
| Manufacturer | SIKORSKY |
| Model | S-61N |
| Manufacturer's Serial Number | 61753 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 28 seats |
| Weight Class | CLASS 2 (12,500 - 19,999 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 112 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | CROMAN CORP |
| Street | 801 AVENUE C |
| City | WHITE CITY |
| State | OR |
| Zip Code | 97503-1082 |
| Region | Northwest Mountain |
| County | Jackson County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2021-02-09 |
| Last Action Date | 2021-02-09 |
| Expiration Date | 2028-02-29 |
| Status | Valid Registration |
| Mode S Code | 52040657 |
| Mode S Code Hex | A841AF |