- Manufacturer (registry)
- SCHLEICHER
- Model
- ASK-21
- Registry code
- 38015GY
- Registered
- 43 aircraft
- Type
- Glider
- Engines
- None
- Seats
- 2
- Weight class
- Up to 12,499 lb
- Certification
- Type certificated
- Data sheet
- TCDSG47EU
- Holder
- Alexander Schleicher GmbH & Co. Segelflugzeugbau
Model codes come from the FAA registry’s reference file. ADs are matched to them by model name and maker.
On this page
Aircraft by year built · 48
| 1982 | 1 |
|---|---|
| 1983 | 5 |
| 1984 | 12 |
| 1985 | 8 |
| 1986 | 4 |
| 1990 | 2 |
| 1991 | 1 |
| 1992 | 1 |
| 1998 | 1 |
| 1999 | 3 |
| 2000 | 1 |
| 2001 | 1 |
| 2002 | 2 |
| 2005 | 3 |
| 2006 | 3 |
Airworthiness directives that may apply · 13
ADs whose products match this airframe model. Each AD’s applicability may narrow it by serial number, part number or configuration.
| 1984 | 1 |
|---|---|
| 1985 | 1 |
| 1987 | 1 |
| 1997 | 1 |
| 1998 | 6 |
| 1999 | 1 |
| 2014 | 1 |
| 2017 | 1 |
Airframe · Schleicher ASK-21
AD 2017-02-11Flight ControlsAD 2014-06-07Placards and MarkingsAD 95-11-15 R1Parallel RockerAD 98-12-03Rudder Panel, Airbrake Bellcrank, Rear Canopy HingeAD 98-10-07SFM - Weight and BalanceAD 98-09-13S-Shaped Rudder Pedal Tube InspectionAD 98-08-29SFM - Stall and Spin Recovery InformationAD 98-06-38Elevator PushrodAD 98-06-37Tow Release Cable AssemblyAD 97-08-06 R1Quick ConnectorsAD 87-10-07Rudder PedalAD 85-06-07Main Wheel BoxAD 84-23-03Placard And Afm ChangesQuery with SQL
duckdb -csv -c "SELECT d.ad_number, d.status, d.subject, d.effective_date
FROM 'https://openairdocs.org/data/latest/faa_directive.parquet' d
WHERE d.ad_id IN (SELECT ad_id FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_directive.parquet' WHERE aircraft_model_code IN ('38015GY'))
ORDER BY coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number DESC"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT d.ad_number, d.status, d.subject, d.effective_date
FROM 'https://openairdocs.org/data/latest/faa_directive.parquet' d
WHERE d.ad_id IN (SELECT ad_id FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_directive.parquet' WHERE aircraft_model_code IN ('38015GY'))
ORDER BY coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
Registered aircraft · 43
N110BLBlue Ridge Soaring Society · New Castle, VAN120DWArizona Soaring Inc · Maricopa, AZN121FLEagleville Soaring Inc · Eagleville, TN
See all 43 registered aircraftQuery with SQL
duckdb -csv -c "SELECT n_number, serial_number, year_manufactured, status, registrant_name, registrant_city, registrant_state
FROM 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet'
WHERE aircraft_model_code IN ('38015GY')
ORDER BY n_number"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT n_number, serial_number, year_manufactured, status, registrant_name, registrant_city, registrant_state
FROM 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet'
WHERE aircraft_model_code IN ('38015GY')
ORDER BY n_numberRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB investigations · 13
Aircraft matched to this model through the registry, by N-number and event date, checked against the reported serial number, make and model.
Of 6 cases NTSB coded with a defining event. All defining events
Findings NTSB made part of the probable cause. A case can have several. All findings
Of 7 cases with NTSB’s older coding, defined in its coding manual.
NTSB WPR26LA299Accident · No injuriesClass 4 · LimitedInvestigation openSchleicher ASK-21 · Tehachapi, CANTSB ERA25LA009Accident · Minor injuriesClass 4 · LimitedFinal reportSchleicher ASK-21 · Front Royal, VAThe pilot’s improper landing flare and subsequent improper recovery from a hard, bounced landing.NTSB ERA14CA453Accident · Minor injuriesData collectionFinal reportSchleicher ASK 21 · Wurtsboro, NYA loss of lift during the landing approach, which resulted in impact with terrain.NTSB WPR09CA479Accident · Minor injuriesData collectionFinal reportSchleicher ASK-21 · Jean, NVThe pilot's failure to maintain control of the glider during the initial climb due to an inadvertent encounter with wind.NTSB MIA08CA136Accident · No injuriesData collectionFinal reportSchleicher ASK-21 · Elmira, NYThe glider pilot's misjudged distance/altitude while soaring.NTSB SEA08CA129Accident · No injuriesData collectionFinal reportSchleicher ASK-21 · Tehachapi, CAThe pilot's inadequate preflight procedures and failure to check the spoiler control position, which resulted in the inadvertent deployment of the spoilers during takeoff. A contributing factor was the pilot's misinterpretation of the tow pilot's instructions.NTSB ANC07LA046Accident · No injuriesLimited investigationFinal reportSchleicher ASK-21 · Clear, AKThe dual student's misjudged distance/altitude during the final approach to land, and the flight instructor's inadequate supervision of the student, which resulted in an undershoot, and substantial damage.NTSB ANC04FA016Accident · 4 fatalField investigationFinal reportSchleicher ASK-21 · Peoria, AZThe inadequate visual lookout by the pilots of both aircraft, which resulted in their failure to see-and-avoid each other's aircraft and a subsequent midair collision. A factor associated with the accident was the airplane pilot's failure to determine that…NTSB IAD02LA059Accident · Minor injuriesLimited investigationFinal reportSchleicher ASK21 · Woodstock, VAThe pilot's failure to recognize the loss of orographic lift conditions. A factor was the loss of orographic lift.NTSB ATL01LA098Accident · No injuriesLimited investigationFinal reportSchleicher ASK-21 · Eagleville, TNThe loss of thermals during the glider flight that resulted in the collision with high vegetation while maneuvering for an emergency landing. A factor was high vegetation.NTSB LAX89LA038Accident · No injuriesLimited investigationFinal reportSchleicher ASK-21 · Vacaville, CADuring final approach, the glider collided with a fence. A witness stated that, 'the pilot simply let the glider get too low and too slow and hit a fence.' There were no mechanical problems reported prior to the accident. The pilot did not file an acdt report.NTSB ATL87DLT01Accident · No injuriesFinal reportSchleicher ASK-21 · Eagleville, TNDuring a landing attempt, N174KS collided with a treeline on final approach to the airport. The instructor reported that the flight was normal until the student encountered a downdraft on final approach. The instructor took control of the controls, but was…NTSB CHI87DEE06Accident · No injuriesFinal reportSchleicher ASK-21 · Plainfield, ILThe glider plt rprtd that drg takeoff, the tow plt released the tow rope at aprx 15' AGL. Rprtdly, he released the tow rope due to a perceived lack of takeoff & climb performance. After being released, the glider plt made a right turn to avoid unacceptable…
Query with SQL
duckdb -csv -c "SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c.\"mKey\" = a.case_mkey
WHERE a.aircraft_model_code IN ('38015GY')
ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = a.case_mkey
WHERE a.aircraft_model_code IN ('38015GY')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
FAA incident reports · 15
Matched to this model through the registry, by N-number and event date, checked against the reported make and model.
Accident 20260810012772ASchleicher ASK-21 · Tehachapi, CAOn August 10, 2026, about 1053 pacific daylight time (PDT), an ask 21 glider airplane, tail number [privacy data omitted], was substantilly damaged when it was involved in an accident in L94 Mountain Valley Airport, Tehachapi, CA. After landing on runway 27L…Accident 20241006014879ASchleicher ASK-21 · Front Royal, VAAircraft inspected 10/23/2024. Aircraft sustained structeral damage to fuselage due to hard landing. Reviewed aircraft records and found no issues. Started atqa. Pilot statement: The final appeared quite normal to me, but as I got closer to the airport, it…Accident 20201006020229ASchleicher ASK-21 · Minden, NVAfter returning from an aero tow the pilot entered the pattern for right traffic to runway 30. On the downwind leg, the pilot applied ¼ to ½ inch airbrakes which caused the glider to be low on final. The airbrakes were stowed and the glide slope improved, so…Incident 20170423015009ISchleicher ASK-21 · Birchwood, AKConducting glider training (early returns), landed in clear grassy area after intentionally disengaging the tow rope too soonAccident 20140920017749ASchleicher ASK-21 · Wurtzboro, NYStudent pilot on first solo, undershot runway on approach and crashed short of the runwayAccident 20090630020239ASchler ASK21 · Jean, NVDuring the launch phase upon reaching 60 knots airspeed, the pilot rotated and climbed to approximately 50 feet AGL, with the same airspeed the glider would not climb and immediately began to descend. The pilot simultaneously lowered the nose and released the…Incident 20080630842819ISchler ASK21 · Warren, VT(-23) [privacy data omitted] pilot in command of glider N221SB, was participating in a local glider contest. [privacy data omitted] Stated that he became distracted with a tangled tow rope. He closed the canopy, however did not latch it. Upon takeoff, the…Accident 20080510857669ASchlei ASK21 · Tehachapi, CADuring the takeoff sequence prior to reaching 200 feet, the tow pilot noted that the spoilers were open on the glider. He wagged the rudder, which is the signal to check spoilers closed. The glider pilot mis-interpreted the signal to mean release, which he…Accident 20070609010899ASchler ASK21 · Clear, AK(-23) This accident occurred during an airforce funded cadet training exercise. By definition an airforce mission (#A-20). The glider landed short of rwy 01 on a training flight, rolled into and on the pavement lip causing damage to the nose gear and damaging…Accident 20031228036512ASchler ASK21 · Peoria, AZ(-23) Witness statements indicate N2094M, a Piper J3C-65, took off from runway 5L at P48 and remained in left-closed traffic in a southwest direction. N274KS, a schleicher ASK-21 glider was performing aerobatic flight in an aerobatic box, located at the…Accident 20020616017729ASchler ASK21 · Woodstock, VA(-23) Pilot stated that he was ridge flying, lost lift, made decision too late to try to find a place to land. While trying to make a turn back to the ridge lift, aircraft stalled, mushed into the treetops. Aircraft then fell through the trees. The aircraft…Accident 20010826020529ASchler ASK21 · Eagleville, TN(-23) During solo flight, loss thermal lift and forced to land in soy bean field, short of airport. Glider received substantial damage on landing.Accident 19881106049459ASchler ASK21 · Vacaville, CAToo low and slow on final. Struck a fence short of the runway.Accident 19870418020569ASchler ASK21 · Eagleville, TNThe glider encountered unexpected sink on base leg. The instructor was unable to clear trees near the runway.Accident 19870307005449ASchler ASK21 · Plainfield, ILTow plane pilot released glider 15 feet AGL on takeoff. Gliders wing hit ground as pilot tried to land. Cartwheeled.
Query with SQL
duckdb -csv -c "SELECT report_number, event_date, event_type, city, state, aircraft_make, aircraft_model, aircraft_damage, fatal_injuries, n_number
FROM 'https://openairdocs.org/data/latest/faa_incident_report.parquet'
WHERE aircraft_model_code IN ('38015GY')
ORDER BY event_date DESC, report_number DESC"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT report_number, event_date, event_type, city, state, aircraft_make, aircraft_model, aircraft_damage, fatal_injuries, n_number
FROM 'https://openairdocs.org/data/latest/faa_incident_report.parquet'
WHERE aircraft_model_code IN ('38015GY')
ORDER BY event_date DESC, report_number DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
Service difficulty reports · 2
SDR 2011FA0000187Interlock · groovedCANOPY INTERLOCKS ARE FABRICATED FROM A NYLON OR DELRON SYNTHETIC MATERIAL THAT BECAME WORN IN AN UNSEEN LOCATION. THE WEAR IS FROM THE FORWARD CANOPY METAL LOCKING ROD CONTINUOUSLY PUSHING OVER THE PLASTIC INTERLOCK. THE WORN INTERLOCK EVENTUALLY DID NOT ALSDR 2009FA0000235Slip Joint · corrodedCORROSION 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 IS THEN HELD TOGETHER WITH A SINGLE THROUGH BOLT. THE CORROSION WAS DETECTED PROTRUDING FROM THE T
Query with SQL
duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet' WHERE aircraft_model_key = 'ASK21' ORDER BY difficulty_date DESC"
Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet' WHERE aircraft_model_key = 'ASK21' ORDER BY difficulty_date DESC
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
The same model under other registry codes
Amateur-built copies and renamed makers get their own codes.
Query with SQL
duckdb -csv -c "SELECT m.code, m.manufacturer, m.model, count(g.n_number) AS aircraft
FROM 'https://openairdocs.org/data/latest/faa_aircraft_model.parquet' m LEFT JOIN 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet' g ON g.aircraft_model_code = m.code
WHERE m.match_key = 'ASK21' AND m.code NOT IN ('38015GY')
GROUP BY ALL
ORDER BY aircraft DESC
LIMIT 12"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT m.code, m.manufacturer, m.model, count(g.n_number) AS aircraft
FROM 'https://openairdocs.org/data/latest/faa_aircraft_model.parquet' m LEFT JOIN 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet' g ON g.aircraft_model_code = m.code
WHERE m.match_key = 'ASK21' AND m.code NOT IN ('38015GY')
GROUP BY ALL
ORDER BY aircraft DESC
LIMIT 12Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.