| Tail Number / N-Number | N421RG |
| Manufacturer | CESSNA |
| Model | 421C |
| Year Built | 1979 |
| Manufacturer's Serial Number | 421C0643 |
| 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 | TIO 541 SERIE |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 380 hp (283 kW) |
| Total Horsepower | 760 hp (567 kW) |
| Average Cruising Speed | 90 miles per hour |
| Type of Registrant | LLC |
| Owner Name | ZULU FORTY ONE LLC |
| Street | 645 G ST STE 100-820 |
| City | ANCHORAGE |
| State | AK |
| Zip Code | 99501 |
| Region | Alaskan |
| County | Anchorage Municipality |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1979-03-22 |
| Certificate Issue Date | 2015-03-25 |
| Last Action Date | 2020-12-03 |
| Expiration Date | 2028-03-31 |
| Status | Valid Registration |
| Mode S Code | 51200324 |
| Mode S Code Hex | A500D4 |