| Tail Number / N-Number | N54K |
| Manufacturer | BEECH |
| Model | E18S |
| Year Built | 1957 |
| Manufacturer's Serial Number | BA-235 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 10 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | P&W |
| Engine Model | R-985 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 450 hp (336 kW) |
| Total Horsepower | 900 hp (671 kW) |
| Average Cruising Speed | 165 miles per hour |
| Type of Registrant | Individual |
| Owner Name | LUMLEY WILLIAM B |
| Street | RR 9 BOX 322K |
| City | DELRAY BEACH |
| State | FL |
| Zip Code | 33446 |
| Region | Southern |
| County | Palm Beach County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1957-01-05 |
| Certificate Issue Date | 1987-09-17 |
| Last Action Date | 2021-06-10 |
| Expiration Date | 2028-07-31 |
| Status | Valid Registration |
| Mode S Code | 51553164 |
| Mode S Code Hex | A6D674 |