| Tail Number / N-Number | N42EX |
| Manufacturer | XTREMEAIR GMBH |
| Model | XA42 |
| Year Built | 2010 |
| Manufacturer's Serial Number | 106 |
| 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 | LYCOMING |
| Engine Model | AEIO-580-B1A |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 315 hp (235 kW) |
| Type of Registrant | LLC |
| Owner Name | MARSAL LLC |
| Street | 24127 OLD 44 DR # 214 |
| City | MILLVILLE |
| State | CA |
| Zip Code | 96062-9735 |
| Region | Western-Pacific |
| County | Shasta County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2016-01-08 |
| Certificate Issue Date | 2016-12-01 |
| Last Action Date | 2022-11-28 |
| Expiration Date | 2029-12-31 |
| Status | Valid Registration |
| Mode S Code | 51174700 |
| Mode S Code Hex | A4F9C0 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N42EX.
| Tail Number / N-Number | N42EX |
| Manufacturer | SHEPARD WILLIAM C |
| Model | LANCAIR PROPJET |
| Manufacturer's Serial Number | LIV-559 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Kit Manufacturer | MURPHY AIRCRAFT MFG LTD |
| Kit Model | SR3500 |
| Type of Registrant | Individual |
| Owner Name | SHEPARD WILLIAM C |
| Street | PO BOX 285 |
| City | IDLEYLD PARK |
| State | OR |
| Zip Code | 97447-0285 |
| County | Shasta County |
| Country | US |
| Certificate Issue Date | 2005-01-07 |
| Last Action Date | 2005-01-07 |
| Last Status | Valid Registration |
| Cancellation Date | 2007-11-27 |