Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N279AS.
| Tail Number / N-Number | N279AS |
| Manufacturer | PILATUS |
| Model | B4-PC11AF |
| Year Built | 1977 |
| Manufacturer's Serial Number | 261 |
| Aircraft Type | Glider |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | NONE |
| Engine Model | NONE |
| Number of Engines | 0 engines |
| Type of Registrant | Individual |
| Owner Name | BUTLER JOHN |
| Street | 3403 PERKINS LN W |
| City | SEATTLE |
| State | WA |
| Zip Code | 98199 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1977-08-26 |
| Certificate Issue Date | 1990-05-30 |
| Last Action Date | 1999-06-16 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2012-09-21 |
| Mode S Code | 50543774 |
| Mode S Code Hex | A2C7FC |