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Registered aircraft · FAA record as of November 13, 2026Alexander Schleicher ASK 21
N721WC is an Alexander Schleicher ASK 21, a glider with no engine, built in 1997. It has 2 seats. It is registered to Windy City Soaring Association, a corporation in Hinckley, Illinois. The registration is valid: it was issued on January 17, 2008 and expires on May 31, 2029. It holds a standard airworthiness certificate for other, dated April 22, 2008.
Alexander Schleicher: AS 33 ME
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Flight history: where it flew in the last seven days · follow it on the live map
Aircraft
- Maker
- Alexander Schleicher (Germany)FAA spelling: ALEXANDER SCHLEICHER GMBH & CO
- Model
- ASK 21 · all ASK 21s and related versions
- Built of
- compositeThe airframe is composite: carbon fibre or glass fibre set in resin, moulded in large pieces with few joints, which gives smooth shapes but needs different inspection and repair methods from metal. A glass- and carbon-fibre glider. This is how the Alexander Schleicher ASK 21 family is built; the FAA does not record construction for each aircraft, and the type certificate data sheet is the authority for this one.
- Serial number
- 21650
- Type
- GliderFAA type of aircraft code 1 (the FAA's broad category for the airframe). Every aircraft with this code · All codes
- Power
- NoneFAA type of engine code 0 (what powers it, as the FAA classes engines). Every aircraft with this code · All codes · None NONE
- Seats
- 2
- Year built
- 1997
- Transponder code
- A9A93A (octal 52324472)
Registration
- Status
- Valid registrationFAA registration status code V (whether the registration certificate is in force). Every aircraft with this code · All codes
- Certificate issued
- January 17, 2008
- Expires
- May 31, 2029
- Last FAA action
- August 4, 2023
- Airworthiness
- StandardFAA airworthiness class code 1 (the kind of airworthiness certificate it flies under and what it is approved for). Every aircraft with this code · All codes · OtherFAA certificate purpose code O (the kind of airworthiness certificate it flies under and what it is approved for). All codes · April 22, 2008
- FAA region
- Great LakesFAA region code C (the FAA regional office that handles the record). All codes
- FAA record id
- 00457729
Owner as the FAA publishes it
- Name
- Windy City Soaring Association (flying club: its whole fleet and safety record)
- Type
- CorporationFAA type of owner code 3 (who holds the registration: a person, a company, a trust or a government body). Every aircraft with this code · All codes
- Address
- PO Box 868
Hinckley, IL 60520-0868
Owners can ask the FAA to withhold their name and address from public files. When they do, those fields are blank here as well. How that works.
Documents on file 0
No bills of sale, loans or other documents are indexed against this tail number.
Connections how N721WC links to the rest of the register
- Alexander Schleicher ASK 21 38 registered
- Alexander Schleicher 163 aircraft on the register
- Built of composite · as the model family is built; the register does not record it per aircraft
- Windy City Soaring Association 5 aircraft in the fleet
- Hinckley, IL 15 aircraft registered in this town
- Hinckley Airport · 0C2
- Illinois 8,070 aircraft registered
- FAA orders naming the Alexander Schleicher ASK 21 13 airworthiness directives
The whole map of how records connect · these connections as data: /graph/aircraft/N721WC.json.
Records check free · 2 to understand · 3 clear
The public federal record on N721WC, read the way a buyer, lender or insurer reads it: FAA registration, prior tail numbers keyed on the serial number, reuse of the tail number, recent registry filings, and the NTSB accident record under this and every earlier registration.
Valid registration to Windy City Soaring Association, a corporation, certificate issued January 17, 2008, expires May 31, 2029. No fractional interest recorded. [1]
The airworthiness certificate on file is dated April 22, 2008, 11 years after the 1997 manufacture year. A re-issued certificate commonly follows export and re-import, a rebuild, or a return to the register after cancellation. The cause is documented in the FAA aircraft records file, which the full report obtains. [1]
No earlier tail number is recorded against serial 21650 for this model in the deregistered file. [2]
No other airframe has carried N721WC according to the deregistered file. [2]
No bills of sale, loans or releases have reached the registry in recent weeks. The index covers only recent filings; older liens are in the records file. [3]
1 NTSB record under N721WC: Accident on September 29, 2020 at Hinckley, IL: no injuries, substantial damage. Details below. [4]
These live in the FAA aircraft records file (every document ever filed against the aircraft) and, for larger aircraft, the International Registry. Part of the full report.
AD compliance against the logbooks and flight-activity reconciliation are researched layers of the full report.
NTSB records 1
Aircraft on the NTSB record: Schleicher ASK21 · operated under 091
The pilot’s improper control input during a bounced landing that resulted in the glider impacting terrain.
Full record in plain English · Docket and reports at the NTSB
- FAA Releasable Aircraft Database, master file, file of November 13, 2026. registry.faa.gov/
- FAA deregistered aircraft file (part of the same download), file of November 13, 2026. registry.faa.gov/
- FAA document index: registry documents received in recent weeks, file of November 13, 2026. registry.faa.gov/
- NTSB aviation accident database (CAROL), records through October 28, 2026. data.ntsb.gov/carol-main-public/basic-search
This automated check reads the public federal record. Nothing here is a legal opinion, an appraisal or a statement about the aircraft's condition; a CLEAR line is a statement about the searched record, not the aircraft.
Source: FAA Civil Aviation Registry, Releasable Aircraft Database, November 13, 2026. See this record on the FAA site · This record as data