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Models · Alexander Schleicher · Gliders · data as of October 2, 2026

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

VersionRegisteredBuiltShare
ASK 21261982 to 201868.4%
ASK 21 B72018 to 202218.4%
ASK 21 MI52008 to 201413.2%

When they were built by decade · 9 with no year on file

0510141911980119905200019201032020

Registrations by year certificates issued since 2010, including changes of owner · 2026 is the year so far

0124520102012201420162017201820192020202120222023202432025

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 records · 0 cases since 1982, 0 fatal

No NTSB accident or incident records match this family's versions. Each aircraft's own page also shows its record.

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 · 5 ASK 21 MI (all versions)

Tail no.Maker and modelOwner and baseCertificateRegisteredStatus
N648BS Alexander Schleicher
ASK 21 MI
Co-owned owner
Virginia
Standard 2025-12-04 Valid
N218RC Alexander Schleicher
ASK 21 MI
Overwatch Tools INC
Chesapeake, Virginia
None on file 2025-05-09 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
N214WS Alexander Schleicher
ASK 21 MI
Individual owner
California
Standard 2021-12-30 Valid