| Tail Number / N-Number | N328MH |
| Manufacturer | BELL |
| Model | 412 |
| Year Built | 1993 |
| Manufacturer's Serial Number | 36064 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 15 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | P&W CANADA |
| Engine Model | PT6T-3BE |
| Engine Type | Turbo-shaft |
| Number of Engines | 2 engines |
| Horsepower per Engine | 900 hp (671 kW) |
| Total Horsepower | 1,800 hp (1,343 kW) |
| Type of Registrant | Corporation |
| Owner Name | MARITIME HELICOPTERS INC |
| Street | 3520 FAA RD |
| City | HOMER |
| State | AK |
| Zip Code | 99603-8030 |
| Region | Alaskan |
| County | Kenai Peninsula Borough |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2016-02-19 |
| Certificate Issue Date | 2015-12-23 |
| Last Action Date | 2021-07-14 |
| Expiration Date | 2028-12-31 |
| Status | Valid Registration |
| Mode S Code | 50706443 |
| Mode S Code Hex | A38D23 |