ALEXANDER SCHLEICHER GMBH & CO ASK 21
26 registered · 1982–2018 · 1 NTSB events · 0 ADs
About this dataGlider · NONE NONE · as of Sep 21, 2026
Distribution · currently registered
By state (top 10)
- CA 15.4% 4
- VA 15.4% 4
- TX 15.4% 4
- DE 7.7% 2
- MA 7.7% 2
- IL 7.7% 2
- MD 7.7% 2
- FL 3.8% 1
- IN 3.8% 1
- CO 3.8% 1
+3 more states
By decade of manufacture
- 1980s 3.8% 1
- 1990s 3.8% 1
- 2000s 15.4% 4
- 2010s 50.0% 13
- Unknown 26.9% 7
NTSB records
1 event(s) on file. Showing the most recent 1.
- Sep 29, 2020 N721WC Hinckley, Illinois NTSB docket ↗
Airworthiness directives
No matching airworthiness directives are on file for this make and model in the Federal Register.
Type certificate data sheets · 1 match in the FAA catalog
- G47EU Alexander Schleicher GmbH & Co. Current Rev 2 · 07/03/2019
Models: ASK 21, ASK 21 B, ASK 21 Mi
SAIBs · 1 on file · advisory, not mandatory
- 11/12/1997 SAIB ACE-98-07 SAIB ACE-98-07 — DRS ↗
Advisory circulars & Federal Register
Advisory circulars
No ACs explicitly mention this type. Showing universal operating-rule ACs that apply to all aircraft.
Recent Federal Register · Parts 91 & 43
- 2026-09-14 Use of Certain Restricted Category Aircraft for the Transport of Firefighters for Wildfire Suppression FR ↗
- 2026-07-31 Requirements for Interference-Tolerant Radio Altimeter Systems FR ↗
- 2026-07-02 Enabling Supersonic Overland Flight FR ↗
- 2026-07-01 Mechanic Certification: Inspection Rating and Recent Experience Requirements FR ↗
- 2026-06-30 Designation-Restrict the Operation of Unmanned Aircraft in Close Proximity to a Fixed Site Facility; Extension of Comment Period FR ↗
Registered N-numbers · 26
26 of 26 ● NTSB events on file · orange tails have Atlas pages · Look up queries the live FAA registry (owner, address, last airworthiness)
| N-number | St | Year | NTSB | FAA |
|---|---|---|---|---|
| N202GG | CA | 2008 | · | Look up ↗ |
| N214BS | DE | 2018 | · | Look up ↗ |
| N215ES | FL | — | · | Look up ↗ |
| N221CW | IN | 2015 | · | Look up ↗ |
| N3211W | VA | 2018 | · | Look up ↗ |
| N321K | VA | — | · | Look up ↗ |
| N421EF | CO | 2013 | · | Look up ↗ |
| N421GB | MA | 2016 | · | Look up ↗ |
| N468SA | CA | 2014 | · | Look up ↗ |
| N484AJ | DE | 2012 | · | Look up ↗ |
| N50NC | VA | — | · | Look up ↗ |
| N621CG | IL | 2009 | · | Look up ↗ |
| N621HH | NY | 2008 | · | Look up ↗ |
| N650SA | CA | 2011 | · | Look up ↗ |
| N67PJ | AZ | 2000 | · | Look up ↗ |
| N700SA | CA | 2011 | · | Look up ↗ |
| N721RC | MA | 2015 | · | Look up ↗ |
| N721WC | IL | 1997 | ● | Look up ↗ |
| N747SV | VA | — | · | Look up ↗ |
| N791SC | TX | 1982 | · | Look up ↗ |
| N792SC | TX | — | · | Look up ↗ |
| N899MA | MD | 2017 | · | Look up ↗ |
| N899SA | MD | 2017 | · | Look up ↗ |
| N940PB | MO | 2018 | · | Look up ↗ |
| N966TS | TX | — | · | Look up ↗ |
| N977TS | TX | — | · | Look up ↗ |
Source — FAA Aircraft Registry
Sources
- FAA Aircraft Registry ↗ Refreshed Apr 27, 2026 Available
- NTSB CAROL ↗ Refreshed Jun 10, 2026 Available
- Federal Register (FAA Airworthiness Directives) ↗ Refreshed Apr 27, 2026 Available