# N966TS: Alexander Schleicher ASK 21

- Status: Valid registration
- Airframe: [Alexander Schleicher ASK 21](https://openairdocs.org/model/alexander-schleicher-ask-21) (registry code 3801539, 2 seats)
- Data sheets: [TCDS G47EU](https://openairdocs.org/tcds/G47EU) (Alexander Schleicher GmbH & Co. Segelflugzeugbau) (OpenAirDocs)
- Serial number: 21820
- Type: Glider
- Engine type: None
- Certificate issued: May 2, 2007
- Expires: April 30, 2030
- Mode S code: AD742A
- Registered owner: [Texas Soaring Association Inc](https://openairdocs.org/faa-owner/TEXAS%20SOARING%20ASSOCIATION%20INC)
- Location: [Midlothian, TX](https://openairdocs.org/faa-place/TX/Midlothian)
- Owner type: Corporation
- Owner's area on the map: 32.4682° N, 96.9907° W: Placed by OpenAirDocs at the center of ZIP code 76065, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=966TS
- Page: https://openairdocs.org/aircraft/N966TS

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination.

## ADs that may apply (OpenAirDocs): 13 in force

### Matched by airframe (Alexander Schleicher ASK 21)

- [AD 2017-02-11](https://openairdocs.org/ad/2017-02-11): Flight Controls · Alexander Schleicher ASK 21. Effective Mar 17, 2017
- [AD 2014-06-07](https://openairdocs.org/ad/2014-06-07): Placards and Markings · Alexander Schleicher ASK 21. Effective May 8, 2014
- [AD 95-11-15 R1](https://openairdocs.org/ad/95-11-15-R1): Parallel Rocker · Alexander Schleicher ASK 21. Effective Jul 25, 1999
- [AD 98-12-03](https://openairdocs.org/ad/98-12-03): Rudder Panel, Airbrake Bellcrank, Rear Canopy Hinge · Alexander Schleicher ASK 21, ASW-19 and ASW-19B. Effective Jul 14, 1998
- [AD 98-10-07](https://openairdocs.org/ad/98-10-07): SFM - Weight and Balance · Alexander Schleicher ASK 21. Effective Jun 26, 1998
- [AD 98-09-13](https://openairdocs.org/ad/98-09-13): S-Shaped Rudder Pedal Tube Inspection · Alexander Schleicher ASK 21. Effective Jun 14, 1998
- [AD 98-08-29](https://openairdocs.org/ad/98-08-29): SFM - Stall and Spin Recovery Information · Alexander Schleicher ASK 21. Effective May 18, 1998
- [AD 98-06-38](https://openairdocs.org/ad/98-06-38): Elevator Pushrod · Alexander Schleicher ASK 21. Effective Apr 28, 1998
- [AD 98-06-37](https://openairdocs.org/ad/98-06-37): Tow Release Cable Assembly · Alexander Schleicher ASK 21. Effective Apr 28, 1998
- [AD 97-08-06 R1](https://openairdocs.org/ad/97-08-06-R1): Quick Connectors · Alexander Schleicher AS-K 13, AS 12, ASK 21 and 39 more. Effective Aug 1, 1997
- [AD 87-10-07](https://openairdocs.org/ad/87-10-07): Rudder Pedal · Alexander Schleicher ASK 21. Effective May 13, 1987
- [AD 85-06-07](https://openairdocs.org/ad/85-06-07): Main Wheel Box · Alexander Schleicher ASK 21. Effective Jul 25, 1985
- [AD 84-23-03](https://openairdocs.org/ad/84-23-03): Placard And Afm Changes · Alexander Schleicher ASK 21. Effective Nov 14, 1984

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N966TS.

## FAA accident and incident reports

None matched to N966TS.

## Service difficulty reports (1)

As reported by operators and repair stations. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR 2009FA0000235](https://openairdocs.org/sdr/2009FA0000235), Mar 1, 2009: SLIP JOINT. CORRODED. CORROSION WAS FOUND AT THE JUNCTION OF THE UPPER AND LOWER BODY OF THE FRONT SEAT CONTROL STICK ASSY. THE UPPER STICK HALF SLIDES INTO THE LOWER STICK HALF AND 

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Related

- Other Alexander Schleicher ASK 21 aircraft: https://openairdocs.org/model/alexander-schleicher-ask-21/aircraft.md

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.