| Tail Number / N-Number | N6521A |
| Manufacturer | CESSNA |
| Model | 180 |
| Year Built | 1956 |
| Manufacturer's Serial Number | 32418 |
| 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 | CONT MOTOR |
| Engine Model | O-470 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 230 hp (172 kW) |
| Average Cruising Speed | 121 miles per hour |
| Type of Registrant | Individual |
| Owner Name | WIPLINGER ROBERT D |
| Street | 9100 RIVER RD |
| City | INVER GROVE |
| State | MN |
| Zip Code | 55076-4602 |
| Region | Great Lakes |
| County | Dakota County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1958-07-03 |
| Certificate Issue Date | 2016-02-11 |
| Last Action Date | 2021-09-21 |
| Expiration Date | 2029-02-28 |
| Status | Valid Registration |
| Mode S Code | 52113244 |
| Mode S Code Hex | A896A4 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N6521A.
| Tail Number / N-Number | N6521A |
| Manufacturer | AEROSTAR INTERNATIONAL INC |
| Model | RAVEN S57-A |
| Manufacturer's Serial Number | S57A-3001 |
| Aircraft Type | Balloon |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 0 engines |
| Type of Registrant | Corporation |
| Owner Name | CBS INC |
| Street | 5912 HUBBARD DR |
| City | ROCKVILLE |
| State | MD |
| Zip Code | 20852 |
| County | Dakota County |
| Country | US |
| Certificate Issue Date | 1990-09-21 |
| Last Action Date | 1999-12-14 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 2000-02-04 |