| Tail Number / N-Number | N8421E |
| Manufacturer | PILATUS |
| Model | PC-12/45 |
| Year Built | 2001 |
| Manufacturer's Serial Number | 430 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 12 seats |
| Weight Class | CLASS 2 (12,500 - 19,999 pounds gross take off weight) |
| Engine Manufacturer | P&W CANADA |
| Engine Model | PT6A-67B |
| Engine Type | Turbo-prop |
| Number of Engines | 1 engine |
| Horsepower | 1,200 hp (895 kW) |
| Type of Registrant | Corporation |
| Owner Name | VIAPLANES LTD |
| Street | 1512 LAKEVIEW CIR |
| City | PRYOR |
| State | OK |
| Zip Code | 74361-8093 |
| Region | Southwestern |
| County | Mayes County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2001-11-16 |
| Certificate Issue Date | 2014-08-04 |
| Last Action Date | 2020-09-30 |
| Expiration Date | 2027-08-31 |
| Status | Valid Registration |
| Mode S Code | 52704707 |
| Mode S Code Hex | AB89C7 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N8421E.
| Tail Number / N-Number | N8421E |
| Manufacturer | BELL |
| Model | 47G-2 |
| Manufacturer's Serial Number | 2559 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 3 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 78 miles per hour |
| County | Mayes County |
| Last Status | N-Number Assigned – but has not yet been registered |