| Tail Number / N-Number | N421KY |
| Manufacturer | MD HELICOPTERS INC |
| Model | 369E |
| Year Built | 2009 |
| Manufacturer's Serial Number | 0594E |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | ROLLS-ROYC |
| Engine Model | 250-C20B |
| Engine Type | Turbo-shaft |
| Number of Engines | 1 engine |
| Horsepower | 420 hp (313 kW) |
| Type of Registrant | LLC |
| Owner Name | N421KY LLC |
| Street | 4072 SAN JUAN BLVD |
| City | ANACORTES |
| State | WA |
| Zip Code | 98221-8515 |
| Region | Northwest Mountain |
| County | Skagit County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2009-05-06 |
| Certificate Issue Date | 2022-09-09 |
| Last Action Date | 2022-09-09 |
| Expiration Date | 2029-09-30 |
| Status | Valid Registration |
| Mode S Code | 51200116 |
| Mode S Code Hex | A5004E |