NTSB investigations: Schleicher ASW-20B

5 cases on aircraft the registry lists as Schleicher ASW-20B. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.

Defining event

Finding

Phase of flight

Aircraft model

Cases per year

19862026

NTSB investigations: Schleicher ASW-20B per year, 1986–2026: 5 cases
1986	1
2005	1
2008	1
2015	1
2022	1

Where

Open the map

Latest cases

Query with SQL

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_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1 WHERE c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('3801520')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

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_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c.\"mKey\" AND a.position = 1
  WHERE c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('3801520'))
  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_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('3801520'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" 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.

NTSB CEN22LA363Accident · No injuriesClass 4 · LimitedFinal reportSchleicher ASW-20B · Waller, TXThe pilot’s failure to maintain the proper descent rate during an off-airport landing.Aug 7, 2022 · N921M · Substantial damage NTSB WPR15LA232Accident · Serious injuriesLimited investigationFinal reportSchleicher ASW 20B · Logan, UTThe pilot’s failure to maintain glider control when it encountered a strong downdraft while maneuvering near a ridgeline.Aug 2, 2015 · N20YZ · Substantial damage NTSB DFW08LA220Accident · 1 fatalLimited investigationFinal reportSchleicher ASW-20B · Cleburne, TXLoss of control inflight for undetermined reason.Aug 31, 2008 · N30WK · Substantial damage NTSB DEN05CA146Accident · No injuriesData collectionFinal reportSchleicher ASW-20B · Moriarty, NMthe pilot's failure to maintain control of the glider during the takeoff roll which resulted in a ground loop.Sep 19, 2005 · N734K · Substantial damage NTSB DEN86LA200Accident · Serious injuriesLimited investigationFinal reportSchleicher ASW-20B · Hobbs, NMThe plt said that he was participating in a glider soaring contest when the accident occurred. He stated that he was flying on the second leg of the flt when he ran out of thermals to keep his glider flying, and he was forced to land prematurely. On a…Jul 11, 1986 · N26EE · Substantial damage