Alexander Schleicher ASK 21
38 on the U.S. register across 3 versions the FAA records separately. Built from 1982 to 2022; half of them date from 2014 or earlier. California has the most (7). 84% are registered to companies, flight schools, clubs and other organisations; the rest to individuals, who are never named here.
About the ASK 21 from the FAA's model table
- Type
- Glider · Gliders
- Power
- None
- Common engines
- None None (21), Ama/Expr Unknown Eng (4), Austro Iae 50R-Aa (3)
- Seats
- 2
- Maker on the register
- Alexander Schleicher
- Registered
- earliest certificate May 2, 2007; newest December 4, 2025
Where they are owner's state
California7Virginia6Texas5Illinois3Delaware3Missouri2Maryland2Massachusetts2Tennessee1Ohio1New York1Minnesota1
Who owns them registrant type
Corporation30 (79%)Individual4 (11%)LLC2 (5%)Co-owned2 (5%)
Versions as the FAA records them · click one to list only those aircraft
When they were built by decade · 9 with no year on file
Registrations by year certificates issued since 2010, including changes of owner · 2026 is the year so far
Registration status
Valid38 (100%)
Airworthiness certificate class
Standard29 (76%)None on file9 (24%)
Biggest operators companies, schools and clubs
Southern California Soaring Academy INC3Texas Soaring Association INC2Soaring Club Of Houston INC2Greater Boston Soaring Club INC2Windy City Soaring Association1Tuscon Soaring Club INC1Tidewater Soaring Society1St Louis Soaring Association INC1Soaring Society Of Dayton INC1Soaring Society Of Boulder1Skytow De LLC1Skyline Soaring Club INC1
Fleet pages: Southern California Soaring Academy INC · Texas Soaring Association INC · Soaring Club Of Houston INC · Windy City Soaring Association · Tidewater Soaring Society · St Louis Soaring Association INC · Soaring Society Of Dayton INC · Skyline Soaring Club INC
Accident history NTSB
Each aircraft's own page already shows its NTSB accident and incident record. The model-wide record (accidents per year, fatal and non-fatal, against the number registered) is being added; it will appear here.
Questions people ask answers refresh every morning
How many Alexander Schleicher ASK 21 aircraft are registered in the U.S.?
38 as of October 2, 2026, counting 3 versions the FAA records separately.
Which state has the most Alexander Schleicher ASK 21s?
California, with 7.
Who owns the Alexander Schleicher ASK 21?
84% are registered to companies, flight schools, clubs and other organisations; the rest to individuals and co-owners, who are never named on this site.
Aircraft newest certificates first · 38
| Tail no. | Maker and model | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|
| N648BS | Alexander Schleicher ASK 21 MI |
Co-owned owner Virginia |
Standard | 2025-12-04 | Valid |
| N243DN | Alexander Schleicher ASK 21 B |
Soaring Society Of Dayton INC Waynesville, Ohio |
None on file | 2025-06-05 | Valid |
| N218RC | Alexander Schleicher ASK 21 MI |
Overwatch Tools INC Chesapeake, Virginia |
None on file | 2025-05-09 | Valid |
| N721RC | Alexander Schleicher ASK 21 |
Greater Boston Soaring Club INC Sterling, Massachusetts |
Standard | 2024-07-02 | Valid |
| N214AS | Alexander Schleicher ASK 21 MI |
Co-owned owner Tennessee |
Standard | 2024-06-17 | Valid |
| N16TN | Alexander Schleicher ASK 21 MI |
Individual owner Texas |
Standard | 2024-02-14 | Valid |
| N484AJ | Alexander Schleicher ASK 21 |
Skytow De LLC Middletown, Delaware |
Standard | 2023-12-26 | Valid |
| N122MN | Alexander Schleicher ASK 21 B |
Minnesota Soaring Club INC Stanton, Minnesota |
Standard | 2023-02-01 | Valid |
| N215ES | Alexander Schleicher ASK 21 |
Eagle Sport Aviation Club De Leon Springs, Florida |
None on file | 2022-11-08 | Valid |
| N696CT | Alexander Schleicher ASK 21 B |
Saint Louis Soaring Association INC Saint Louis, Missouri |
Standard | 2022-07-08 | Valid |
| N67PJ | Alexander Schleicher ASK 21 |
Tuscon Soaring Club INC Sahuarita, Arizona |
Standard | 2022-03-02 | Valid |
| N214WS | Alexander Schleicher ASK 21 MI |
Individual owner California |
Standard | 2021-12-30 | Valid |
| N792SC | Alexander Schleicher ASK 21 |
Soaring Club Of Houston INC Waller, Texas |
None on file | 2021-06-28 | Valid |
| N202GG | Alexander Schleicher ASK 21 |
Hollister Soaring Center LLC Hollister, California |
Standard | 2021-03-30 | Valid |
| N211MS | Alexander Schleicher ASK 21 B |
Friends Aviation Wilmington, Delaware |
Standard | 2020-07-01 | Valid |
| N211RM | Alexander Schleicher ASK 21 B |
Individual owner California |
Standard | 2019-09-26 | Valid |
| N211BM | Alexander Schleicher ASK 21 B |
Individual owner California |
Standard | 2019-07-31 | Valid |
| N521CG | Alexander Schleicher ASK 21 B |
Chicago Glider Club INC Minooka, Illinois |
Standard | 2019-07-31 | Valid |
| N3211W | Alexander Schleicher ASK 21 |
Tidewater Soaring Society Windsor, Virginia |
Standard | 2019-05-02 | Valid |
| N321K | Alexander Schleicher ASK 21 |
Skyline Soaring Club INC Front Royal, Virginia |
None on file | 2019-03-13 | Valid |
| N940PB | Alexander Schleicher ASK 21 |
St Louis Soaring Association INC Saint Louis, Missouri |
Standard | 2018-10-04 | Valid |
| N214BS | Alexander Schleicher ASK 21 |
Brandywine Soaring Association Hockessin, Delaware |
Standard | 2018-06-13 | Valid |
| N899MA | Alexander Schleicher ASK 21 |
Mid Atlantic Soaring Association Frederick, Maryland |
Standard | 2017-11-09 | Valid |
| N899SA | Alexander Schleicher ASK 21 |
Mid Atlantic Soaring Association (M-Asa) Frederick, Maryland |
Standard | 2017-11-09 | Valid |
| N421GB | Alexander Schleicher ASK 21 |
Greater Boston Soaring Club INC Sterling, Massachusetts |
Standard | 2016-08-12 | Valid |
| N221CW | Alexander Schleicher ASK 21 |
Central Indiana Soaring Society Yorktown, Indiana |
Standard | 2016-01-05 | Valid |
| N421EF | Alexander Schleicher ASK 21 |
Soaring Society Of Boulder Boulder, Colorado |
Standard | 2014-10-23 | Valid |
| N621HH | Alexander Schleicher ASK 21 |
Harris Hill Soaring CORP Horseheads, New York |
Standard | 2014-09-17 | Valid |
| N50NC | Alexander Schleicher ASK 21 |
Blue Ridge Soaring Society New Castle, Virginia |
None on file | 2014-08-29 | Valid |
| N791SC | Alexander Schleicher ASK 21 |
Soaring Club Of Houston INC Waller, Texas |
Standard | 2014-07-08 | Valid |
| N468SA | Alexander Schleicher ASK 21 |
Southern California Soaring Academy INC Valencia, California |
Standard | 2014-03-18 | Valid |
| N650SA | Alexander Schleicher ASK 21 |
Southern California Soaring Academy INC Valencia, California |
Standard | 2012-02-10 | Valid |
| N700SA | Alexander Schleicher ASK 21 |
Southern California Soaring Academy INC Valencia, California |
Standard | 2012-02-10 | Valid |
| N747SV | Alexander Schleicher ASK 21 |
Shenandoah Valley Soaring INC Nellysford, Virginia |
None on file | 2010-10-26 | Valid |
| N621CG | Alexander Schleicher ASK 21 |
Chicago Glider Club Minooka, Illinois |
Standard | 2009-11-13 | Valid |
| N721WC | Alexander Schleicher ASK 21 |
Windy City Soaring Association Hinckley, Illinois |
Standard | 2008-01-17 | Valid |
| N966TS | Alexander Schleicher ASK 21 |
Texas Soaring Association INC Midlothian, Texas |
None on file | 2007-05-02 | Valid |
| N977TS | Alexander Schleicher ASK 21 |
Texas Soaring Association INC Midlothian, Texas |
None on file | 2007-05-02 | Valid |