| Tail Number / N-Number | N421BM |
| Manufacturer | CESSNA |
| Model | 421C |
| Year Built | 1976 |
| Manufacturer's Serial Number | 421C0108 |
| 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 | GTSI0-520-F-K |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 435 hp (325 kW) |
| Total Horsepower | 870 hp (649 kW) |
| Average Cruising Speed | 90 miles per hour |
| Type of Registrant | LLC |
| Owner Name | CNET TECHNOLOGIES LLC |
| Street | 2027 S 61ST STREET SUITE 113 |
| City | TEMPLE |
| State | TX |
| Zip Code | 76504 |
| Region | Southwestern |
| County | Bell County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1976-06-01 |
| Certificate Issue Date | 2023-01-28 |
| Last Action Date | 2023-02-07 |
| Expiration Date | 2030-01-31 |
| Status | Valid Registration |
| Mode S Code | 51177573 |
| Mode S Code Hex | A4FF7B |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N421BM.
| Tail Number / N-Number | N421BM |
| Manufacturer | CESSNA |
| Model | 421 |
| Year Built | 1968 |
| Manufacturer's Serial Number | 4210081 |
| 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-C |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 340 hp (254 kW) |
| Total Horsepower | 680 hp (507 kW) |
| Average Cruising Speed | 172 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | MONCURE TED |
| Other Names |
|
| Street | 3733 CEDAR AVE |
| City | LONG BEACH |
| State | CA |
| Zip Code | 90807-3253 |
| County | Bell County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1968-03-29 |
| Certificate Issue Date | 1999-09-21 |
| Last Action Date | 2007-11-20 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 2009-01-23 |
| Exported To | CANADA |