| Tail Number / N-Number | N124EH |
| Manufacturer | MESSERSCHMITT-BOELKOW-BLOHM |
| Model | BO-105S |
| Manufacturer's Serial Number | S559 |
| 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) |
| Engine Manufacturer | ALLISON |
| Engine Model | 250-C20 SER |
| Engine Type | Turbo-prop |
| Number of Engines | 2 engines |
| Horsepower per Engine | 420 hp (313 kW) |
| Total Horsepower | 840 hp (627 kW) |
| Type of Registrant | LLC |
| Owner Name | ROCKISLANDHELICOPTERS LLC |
| Street | 1621 CENTRAL AVE |
| City | CHEYENNE |
| State | WY |
| Zip Code | 82001-4531 |
| Region | Northwest Mountain |
| County | Laramie County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1999-07-08 |
| Certificate Issue Date | 2022-06-01 |
| Last Action Date | 2022-06-01 |
| Expiration Date | 2029-06-30 |
| Status | Valid Registration |
| Mode S Code | 50061372 |
| Mode S Code Hex | A062FA |