| Tail Number / N-Number | N21091 |
| Manufacturer | AERONCA |
| Model | 65-C |
| Year Built | 1938 |
| Manufacturer's Serial Number | C-1068 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | A&C65 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 65 hp (48 kW) |
| Average Cruising Speed | 75 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | FISHER LINDALL E |
| Other Names |
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| Street | 17604 SE 301ST ST |
| City | KENT |
| State | WA |
| Zip Code | 98042-5715 |
| Region | Northwest Mountain |
| County | Snohomish County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1960-05-24 |
| Certificate Issue Date | 2016-12-19 |
| Last Action Date | 2019-11-15 |
| Expiration Date | 2022-12-31 |
| Status | Third Notice for Registration Renewal |
| Mode S Code | 50336457 |
| Mode S Code Hex | A1BD2F |