| Tail Number / N-Number | N421SB |
| Manufacturer | CESSNA |
| Model | 421C |
| Year Built | 1978 |
| Manufacturer's Serial Number | 421C0487 |
| 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 | BUSCH LEASING LLC |
| Street | 1625 ALBON RD |
| City | HOLLAND |
| State | OH |
| Zip Code | 43528-8685 |
| Region | Great Lakes |
| County | Lucas County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1999-01-26 |
| Certificate Issue Date | 2017-07-28 |
| Last Action Date | 2020-02-22 |
| Expiration Date | 2027-07-31 |
| Status | Valid Registration |
| Mode S Code | 51200350 |
| Mode S Code Hex | A500E8 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N421SB.
| Tail Number / N-Number | N421SB |
| Manufacturer | CESSNA |
| Model | 421B |
| Manufacturer's Serial Number | 421B0561 |
| 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 | 172 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | OUTLAW AIRCRAFT SALES INC |
| Street | 200 AIRPORT RD |
| City | CLARKSVILLE |
| State | TN |
| Zip Code | 37042 |
| County | Lucas County |
| Country | US |
| Certificate Issue Date | 1991-04-29 |
| Last Action Date | 1991-05-07 |
| Last Status | Valid Registration |
| Cancellation Date | 1992-02-03 |
| Exported To | GERMANY |