| Tail Number / N-Number | N89AS |
| Manufacturer | PILATUS |
| Model | B4-PC11 |
| Year Built | 1976 |
| Manufacturer's Serial Number | 248 |
| Aircraft Type | Glider |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 3 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 | 45 miles per hour |
| Type of Registrant | Individual |
| Owner Name | SWANSON THOMAS G |
| Street | 106 MCPHERSON CT |
| City | SEAFORD |
| State | VA |
| Zip Code | 23696-2460 |
| Region | Eastern |
| County | York County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1977-03-18 |
| Certificate Issue Date | 2013-01-24 |
| Last Action Date | 2021-08-13 |
| Expiration Date | 2029-01-31 |
| Status | Valid Registration |
| Mode S Code | 53041414 |
| Mode S Code Hex | AC430C |