| Tail Number / N-Number | N421TM |
| Manufacturer | CESSNA |
| Model | 421B |
| Year Built | 1974 |
| Manufacturer's Serial Number | 421B0659 |
| 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) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | GTSIO-520 SER |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 300 hp (224 kW) |
| Total Horsepower | 600 hp (448 kW) |
| Average Cruising Speed | 172 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | EDELMAN SETH |
| Other Names |
|
| Street | 3103 EMERALD LN |
| City | GIG HARBOR |
| State | WA |
| Zip Code | 98335-1960 |
| Region | Northwest Mountain |
| County | Pierce County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1994-01-17 |
| Certificate Issue Date | 2020-04-13 |
| Last Action Date | 2022-12-08 |
| Expiration Date | 2030-04-30 |
| Status | Valid Registration |
| Mode S Code | 51200413 |
| Mode S Code Hex | A5010B |