| Tail Number / N-Number | N43904 |
| Manufacturer | BROWN MARK |
| Model | SPACE WALKER |
| Manufacturer's Serial Number | SW200 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | YORK MATTHEW J |
| Street | 3325 MYSTIC LN |
| City | WATERLOO |
| State | IL |
| Zip Code | 62298-2126 |
| Region | Great Lakes |
| County | Monroe County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2021-08-07 |
| Last Action Date | 2021-08-07 |
| Expiration Date | 2028-08-31 |
| Status | Valid Registration |
| Mode S Code | 51243402 |
| Mode S Code Hex | A54702 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N43904.
| Tail Number / N-Number | N43904 |
| Manufacturer | BELL |
| Model | 206L-3 |
| Year Built | 1990 |
| Manufacturer's Serial Number | 51330 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 7 seats |
| Weight Class | CLASS 2 (12,500 - 19,999 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Corporation |
| Owner Name | HELICOPTER AVIATION SERVICES CORP |
| Street | PO BOX 1117 |
| City | MOUNT PLEASANT |
| State | PA |
| Zip Code | 15666 |
| Region | Eastern |
| County | Monroe County |
| Certificate Issue Date | 1992-07-02 |
| Last Status | Valid Registration |
| Cancellation Date | 1993-02-09 |
| Exported To | SPAIN |