| Tail Number / N-Number | N421GS |
| Manufacturer | CESSNA |
| Model | 421C |
| Year Built | 1984 |
| Manufacturer's Serial Number | 421C1409 |
| 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 | Turbo-prop |
| 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 | STARLIGHT AVIATION LLC |
| Street | 16600 PARK ROW |
| City | HOUSTON |
| State | TX |
| Zip Code | 77084-5019 |
| Region | Southwestern |
| County | Harris County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1984-08-31 |
| Certificate Issue Date | 2007-01-31 |
| Last Action Date | 2022-06-12 |
| Expiration Date | 2029-11-30 |
| Status | Valid Registration |
| Mode S Code | 51177775 |
| Mode S Code Hex | A4FFFD |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N421GS.
| Tail Number / N-Number | N421GS |
| Manufacturer | PIPER |
| Model | PA-28-161 |
| Manufacturer's Serial Number | 287816245 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 108 miles per hour |
| County | Harris County |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |