| Tail Number / N-Number | N42S |
| Manufacturer | BOEING |
| Model | B75N1 |
| Year Built | 1941 |
| Manufacturer's Serial Number | 75-1261 |
| 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 | CONT MOTOR |
| Engine Model | R670-SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 225 hp (168 kW) |
| Average Cruising Speed | 93 miles per hour |
| Type of Registrant | Individual |
| Owner Name | SPEAR PETER A JR |
| Street | 9000 226TH CT 3B |
| City | SALEM |
| State | WI |
| Zip Code | 53168 |
| Region | Great Lakes |
| County | Kenosha County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1972-09-28 |
| Certificate Issue Date | 1983-03-14 |
| Last Action Date | 2022-06-06 |
| Expiration Date | 2029-10-31 |
| Status | Valid Registration |
| Mode S Code | 51175326 |
| Mode S Code Hex | A4FAD6 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N42S.
| Tail Number / N-Number | N42S |
| Manufacturer | DEHAVILLAND |
| Model | DH104 DOVE 5A |
| Manufacturer's Serial Number | 04314 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 13 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 157 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | AVIATION SERVICE INC |
| Street | 2355 KALAKAUA AVE |
| City | HONOLULU |
| State | HI |
| Zip Code | 96815 |
| Region | Western-Pacific |
| County | Kenosha County |
| Certificate Issue Date | 1963-10-10 |
| Last Status | Valid Registration |
| Cancellation Date | 1975-05-09 |