| Tail Number / N-Number | N4921W |
| Manufacturer | ROCKWELL INTERNATIONAL |
| Model | 114 |
| Year Built | 1977 |
| Manufacturer's Serial Number | 14245 |
| 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) |
| Engine Manufacturer | LYCOMING |
| Engine Model | TI0-540 SER |
| Engine Type | Turbo-prop |
| Number of Engines | 1 engine |
| Horsepower | 310 hp (231 kW) |
| Average Cruising Speed | 128 miles per hour |
| Type of Registrant | Individual |
| Owner Name | MACMULLEN CHRISTOPHER B |
| Street | 184 NIANTIC RD |
| City | BARTO |
| State | PA |
| Zip Code | 19504-9312 |
| Region | Eastern |
| County | Montgomery County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1977-03-25 |
| Certificate Issue Date | 2004-02-02 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-01-31 |
| Status | Valid Registration |
| Mode S Code | 51415026 |
| Mode S Code Hex | A61A16 |