| Tail Number / N-Number | N421AT |
| Manufacturer | CESSNA |
| Model | 421C |
| Manufacturer's Serial Number | 421C1039 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 8 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 90 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | WASSON-ECE INSTRUMENTATION INC |
| Street | 101 ROME CT |
| City | FORT COLLINS |
| State | CO |
| Zip Code | 80524-1434 |
| Region | Northwest Mountain |
| County | Larimer County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2011-02-07 |
| Last Action Date | 2022-09-27 |
| Expiration Date | 2030-02-28 |
| Status | Valid Registration |
| Mode S Code | 51177550 |
| Mode S Code Hex | A4FF68 |