| Tail Number / N-Number | N312MH |
| Manufacturer | BELL HELICOPTER TEXTRON CANADA |
| Model | 407 |
| Year Built | 2006 |
| Manufacturer's Serial Number | 53740 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 8 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | ROLLS-ROYC |
| Engine Model | 250-C47B |
| Engine Type | Turbo-shaft |
| Number of Engines | 1 engine |
| Horsepower | 650 hp (485 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 | 2006-11-30 |
| Certificate Issue Date | 2012-02-02 |
| Last Action Date | 2020-09-30 |
| Expiration Date | 2028-02-29 |
| Status | Valid Registration |
| Mode S Code | 50647532 |
| Mode S Code Hex | A34F5A |