| Tail Number / N-Number | N251HP |
| Manufacturer | CESSNA |
| Model | 172RG |
| Year Built | 1982 |
| Manufacturer's Serial Number | 172RG1124 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | O&VO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Corporation |
| Owner Name | KOCH & KOCH INC |
| Street | 13084 JOHN BAUER AVE |
| City | GRASS VALLEY |
| State | CA |
| Zip Code | 95945-9533 |
| Region | Western-Pacific |
| County | Nevada County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1982-07-01 |
| Certificate Issue Date | 2017-09-14 |
| Last Action Date | 2022-01-15 |
| Expiration Date | 2027-09-30 |
| Status | Valid Registration |
| Mode S Code | 50455762 |
| Mode S Code Hex | A25BF2 |