Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N157AS.
| Tail Number / N-Number | N157AS |
| Manufacturer | LET |
| Model | BLANIK L-13 |
| Year Built | 1977 |
| Manufacturer's Serial Number | 026938 |
| 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 | 45 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | NATIONAL TEST PILOT SCHOOL |
| Street | PO BOX 658 |
| City | MOJAVE |
| State | CA |
| Zip Code | 93501 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1977-09-16 |
| Certificate Issue Date | 1986-09-25 |
| Last Action Date | 2009-10-20 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2017-07-13 |
| Mode S Code | 50162101 |
| Mode S Code Hex | A0E441 |