Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N274KS.
| Tail Number / N-Number | N274KS |
| Manufacturer | SCHLEICHER |
| Model | ASK-21 |
| Year Built | 1983 |
| Manufacturer's Serial Number | 21195 |
| 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 |
| Type of Registrant | Corporation |
| Owner Name | BABOQUIVARI SOARING SCHOOL INC |
| Street | 8700 W CAREFREE HWY |
| City | PEORIA |
| State | AZ |
| Zip Code | 85383-1276 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1984-02-01 |
| Certificate Issue Date | 1991-03-12 |
| Last Action Date | 2005-07-19 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 2005-08-17 |
| Mode S Code | 50533112 |
| Mode S Code Hex | A2B64A |