| Tail Number / N-Number | N9421E |
| Manufacturer | CESSNA |
| Model | 172N |
| Year Built | 1979 |
| Manufacturer's Serial Number | 17272257 |
| 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 | Individual |
| Owner Name | DOVE SCOTT |
| Street | 4114 49TH AVE SW |
| City | SEATTLE |
| State | WA |
| Zip Code | 98116-4020 |
| Region | Northwest Mountain |
| County | King County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1979-02-17 |
| Certificate Issue Date | 2018-06-25 |
| Last Action Date | 2021-03-18 |
| Expiration Date | 2028-06-30 |
| Status | Valid Registration |
| Mode S Code | 53213426 |
| Mode S Code Hex | AD1716 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N9421E.
| Tail Number / N-Number | N9421E |
| Manufacturer | AERONCA |
| Model | 11AC |
| Year Built | 1946 |
| Manufacturer's Serial Number | 11AC-1058 |
| 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) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 75 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | MCDONALD DONALD S |
| Street | 1053 W ELM STREET |
| City | LIMA |
| State | OH |
| Zip Code | 45805 |
| Region | Great Lakes |
| County | King County |
| Certificate Issue Date | 1951-10-11 |
| Last Status | Valid Registration |
| Cancellation Date | 1955-11-17 |