| Tail Number / N-Number | N921HM |
| Manufacturer | AIRBUS HELICOPTERS INC |
| Model | AS350B3 |
| Year Built | 2015 |
| Manufacturer's Serial Number | 7981 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 7 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | TURBOMECA |
| Engine Model | ARRIEL 2D |
| Engine Type | Turbo-shaft |
| Number of Engines | 1 engine |
| Horsepower | 802 hp (598 kW) |
| Type of Registrant | LLC |
| Owner Name | OBSIDIAN AIRCRAFT LLC |
| Street | 1050 N BRIAR LN |
| City | BOISE |
| State | ID |
| Zip Code | 83712-6728 |
| Region | Northwest Mountain |
| County | Ada County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2015-09-24 |
| Certificate Issue Date | 2019-05-01 |
| Last Action Date | 2021-12-16 |
| Expiration Date | 2029-05-31 |
| Status | Valid Registration |
| Mode S Code | 53141234 |
| Mode S Code Hex | ACC29C |