NTSB investigations: Schleicher ASW-27
6 cases on aircraft the registry lists as Schleicher ASW-27, where the sequence of events included Collision with terr/obj (non-CFIT). 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.
Cases per year
| 2011 | 2 |
|---|---|
| 2012 | 1 |
| 2013 | 1 |
| 2019 | 1 |
| 2026 | 1 |
Where
Open the mapLatest cases
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_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 ('3801501')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s.\"tier2Number\" = '470' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE \"isDefiningEvent\")))
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 ('3801501')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '470' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")))
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.
NTSB WPR26LA263Accident · No injuriesClass 4 · LimitedFinal reportSchleicher ASW-27 · Montague, CAThe pilot’s inability to see and avoid a piece of loose wire in a field during an off-airport landing in a glider, which resulted in a ground loop. Contributing to the accident was the pilot’s inability to maintain a safe position behind the tow airplane…NTSB GAA19CA479Accident · No injuriesData collectionFinal reportSchleicher ASW 27 · Mackay, IDThe pilot's failure to maintain lateral control of the glider during landing in gusting wind conditions, which resulted in the left wing striking the ground and a subsequent ground loop.NTSB WPR13CA218Accident · No injuriesData collectionFinal reportSchleicher ASW-27 · Middletown, CAThe glider’s encounter with atmospheric lift conditions not sufficient to maintain flight, which resulted in a forced landing on rough terrain.NTSB CEN12LA330Accident · 1 fatalLimited investigationFinal reportSchleicher ASW-27 · Ionia, MIThe pilot's failure to maintain a proper airspeed in gusting wind conditions, which resulted in an inadvertent stall while maneuvering at an altitude that did not provide a margin for recovery.NTSB WPR11CA342Accident · No injuriesData collectionFinal reportSchleicher ASW-27 · Preston, IDThe glider's impact with crops during the off-airport landing.NTSB WPR11CA486Accident · No injuriesData collectionFinal reportSchleicher ASW-27 · Brigham City, UTThe glider pilot did not take timely action to locate a safe outlanding area after entering an area where atmospheric lift was not sufficient to maintain soaring flight.