| Tail Number / N-Number | N66557 |
| Manufacturer | BOEING |
| Model | E75 |
| Year Built | 1943 |
| Manufacturer's Serial Number | 75-8545 |
| Aircraft Type | Fixed wing single engine |
| 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 | P&W |
| Engine Model | R-985 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 450 hp (336 kW) |
| Average Cruising Speed | 93 miles per hour |
| Type of Registrant | LLC |
| Owner Name | AEROSPACE TRUST MANAGEMENT LLC TRUSTEE |
| Street | 1013 CENTRE RD STE 403A |
| City | WILMINGTON |
| State | DE |
| Zip Code | 19805-1270 |
| Region | Eastern |
| County | New Castle County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1972-04-07 |
| Certificate Issue Date | 2018-09-26 |
| Last Action Date | 2021-05-18 |
| Expiration Date | 2028-09-30 |
| Status | Valid Registration |
| Mode S Code | 52144763 |
| Mode S Code Hex | A8C9F3 |