| Tail Number / N-Number | N5891R |
| Manufacturer | CESSNA |
| Model | 172G |
| Year Built | 1966 |
| Manufacturer's Serial Number | 17253560 |
| 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 | 0-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 105 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | TUN BAY INC |
| Street | PO BOX 871468 |
| City | WASILLA |
| State | AK |
| Zip Code | 99687-1468 |
| Region | Alaskan |
| County | Matanuska-Susitna Borough |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1982-08-18 |
| Certificate Issue Date | 1990-06-28 |
| Last Action Date | 2020-04-09 |
| Expiration Date | 2027-08-31 |
| Status | Valid Registration |
| Mode S Code | 51714742 |
| Mode S Code Hex | A799E2 |