| Tail Number / N-Number | N999WH |
| Manufacturer | PILATUS |
| Model | B-4 |
| Manufacturer's Serial Number | 162 |
| Aircraft Type | Glider |
| 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 | NONE |
| Engine Model | NONE |
| Number of Engines | 0 engines |
| Average Cruising Speed | 67 miles per hour |
| Type of Registrant | Individual |
| Owner Name | WELSH CHRISTOPHER R |
| Street | 137 CONSTELLATION DR |
| City | CRESSON |
| State | TX |
| Zip Code | 76035-5839 |
| Region | Southwestern |
| County | Hood County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1975-05-08 |
| Certificate Issue Date | 2023-01-26 |
| Last Action Date | 2023-01-26 |
| Expiration Date | 2030-01-31 |
| Status | Valid Registration |
| Mode S Code | 53373016 |
| Mode S Code Hex | ADF60E |