| Tail Number / N-Number | N21741 |
| Manufacturer | CESSNA |
| Model | 172M |
| Year Built | 1974 |
| Manufacturer's Serial Number | 17263998 |
| 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 | 108 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | BONIEK MARTIN J |
| Other Names |
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| Street | PO BOX 72 |
| City | GLENNALLEN |
| State | AK |
| Zip Code | 99588-0072 |
| Region | Alaskan |
| County | Valdez-Cordova Census Area |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1974-09-25 |
| Certificate Issue Date | 2019-10-03 |
| Last Action Date | 2022-06-03 |
| Expiration Date | 2029-10-31 |
| Status | Valid Registration |
| Mode S Code | 50353201 |
| Mode S Code Hex | A1D681 |