| Tail Number / N-Number | N556UH |
| Manufacturer | BELL |
| Model | 430 |
| Year Built | 2006 |
| Manufacturer's Serial Number | 49117 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 10 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | ROLLS-ROYC |
| Engine Model | 250-C40B |
| Engine Type | Turbo-shaft |
| Number of Engines | 2 engines |
| Horsepower per Engine | 715 hp (533 kW) |
| Total Horsepower | 1,430 hp (1,067 kW) |
| Type of Registrant | Corporation |
| Owner Name | MCMAHON HELICOPTER SERVICES INC |
| Street | 8351 RONDA DR |
| City | CANTON |
| State | MI |
| Zip Code | 48187-2079 |
| Region | Great Lakes |
| County | Wayne County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2006-04-26 |
| Certificate Issue Date | 2021-02-20 |
| Last Action Date | 2021-02-20 |
| Expiration Date | 2028-02-29 |
| Status | Valid Registration |
| Mode S Code | 51613577 |
| Mode S Code Hex | A7177F |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N556UH.
| Tail Number / N-Number | N556UH |
| Manufacturer | BELL |
| Model | 412 |
| Year Built | 1988 |
| Manufacturer's Serial Number | 33178 |
| 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-3 SERIES |
| Engine Type | Turbo-prop |
| 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 | AUSTIN JET AIRCRAFT SALES INC |
| Street | 6501 TORREY PINES CV |
| City | AUSTIN |
| State | TX |
| Zip Code | 78746-6358 |
| County | Wayne County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1994-06-15 |
| Last Action Date | 2007-01-23 |
| Last Status | Valid Registration |
| Cancellation Date | 2007-01-23 |
| Exported To | AUSTRALIA |