NTSB investigations: Rolladen-Schneider LS-4
4 cases on aircraft the registry lists as Rolladen-Schneider LS-4, where the first occurrence was “Loss of control - in flight”. 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
| 1983 | 1 |
|---|---|
| 1984 | 1 |
| 1985 | 1 |
| 1994 | 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 ('3801250')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 250))
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 ('3801250')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 250))
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 FTW94LA151Accident · No injuriesLimited investigationFinal reportRolladen-Schneider LS-4 · Elbert, COInadequate visual lookout on the part of both pilots. A factor was poor airport operations.NTSB DEN85FQG01Accident · Serious injuriesFinal reportRolladen-Schneider LS-4 · Tatum, NMThe plt stated that 7 miles sw of Tatum, NM, an area of 'sink' was encountered and insufficient alt remained to glide to the Tatum arpt. An apch was then made (into the sun) for a landing in a fld. During the landing flare, the plt noticed a row of fence…NTSB NYC84LA259Accident · No injuriesLimited investigationFinal reportRolladen-Schneider LS-4 · Sugarbush, VTThe acft lost lift & made an emergency landing in a field. During the landing the acfts wing struck a haystack which pitched the nose of the acft down. This resulted in a hard landing & ground loop.NTSB LAX83LA190Accident · 1 fatalLimited investigationFinal reportRolladen-Schneider LS-4 · La Jolla, CAThe plt was qualified for solo winch launches in an SGS-1-26 glider. On his 1st winch launch using a c.g. hook in this glider, he allowed the acft to enter an abnormally high angle of attack, which was observed thru-out the takeoff process. The glide then…