| N521HH | 1999 Schleicher ASK-21 C/N 21704Discuss this aircraft in community | 
| Manufacturer: | Schleicher | 
| Model: | ASK-21 Search all Schleicher ASK-21 | 
| Year built: | 1999 | 
| Construction Number (C/N): | 21704 | 
| Aircraft Type: | Glider | 
| Number of Seats: | 2 | 
| Number of Engines: | 0 | 
| Engine Type: | None | 
| Engine Manufacturer and Model: | Ama/expr UNKNOWN ENG | 
| Registration Number: | N521HH | 
| Mode S (ICAO24) Code: | A68D5C | 
| Certification Class: | Standard | 
| Certification Issued: | 2000-03-03 | 
| Air Worthiness Test: | 2000-03-21 | 
| Last Action Taken: | 2006-04-17 | 
| Current Status: | Valid | 
| Registration Type: | Corporation | 
| Owner: | Harris Hill Soaring Corp | 
| Address: | Horseheads, NY 14845 United States | 
| Region: | Eastern |