| Tail Number / N-Number | N972HP |
| Manufacturer | BOEING/HAWKINS AND POWERS |
| Model | HP-B-377 |
| Manufacturer's Serial Number | 53-350 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 3 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Engine Manufacturer | P&W |
| Engine Model | R-4360 |
| Engine Type | Reciprocating |
| Number of Engines | 4 engines |
| Horsepower per Engine | 3,250 hp (2,425 kW) |
| Total Horsepower | 13,000 hp (9,698 kW) |
| Type of Registrant | Individual |
| Owner Name | SHEPPARD HAROLD JR DBA |
| Other Names |
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| Street | 39 BURMA RD |
| City | RIVERTON |
| State | WY |
| Zip Code | 82501-8974 |
| Region | Northwest Mountain |
| County | Fremont County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Special Flight Permit |
| Airworthiness Date | 1991-07-15 |
| Certificate Issue Date | 2017-08-17 |
| Last Action Date | 2020-08-19 |
| Expiration Date | 2027-08-31 |
| Status | Valid Registration |
| Mode S Code | 53305720 |
| Mode S Code Hex | AD8BD0 |