NTSB investigations, 2009
7 cases where the sequence of events included Glider tow event.
Cases per year
| 2008 | 1 |
|---|---|
| 2009 | 7 |
| 2010 | 1 |
| 2011 | 5 |
| 2012 | 5 |
| 2013 | 1 |
| 2014 | 4 |
| 2015 | 3 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 1 |
| 2021 | 2 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 2 |
| 2026 | 3 |
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 year(c.\"eventDate\") = 2009
AND c.\"mKey\" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.\"tier2Number\" = '510' 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 year(c."eventDate") = 2009 AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '510' 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
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 CEN10LA035Accident · Serious injuriesLimited investigationFinal reportBlanik L-13 · Middlefield, OHThe student pilot's improper control inputs which resulted in the inadvertent stall of the glider.NTSB WPR09LA449Accident · 1 fatalLimited investigationFinal reportSchweizer SGS 1-34 · Lake Elsinore, CAThe pilot's failure to maintain control of the glider after the tow line released during the initial climb.NTSB CEN09CA577Accident · No injuriesData collectionFinal reportKetonen Schreder · Ionia, MIThe pilot failed to maintain control of the glider during the aero-tow launch.NTSB WPR09LA381Accident · Serious injuriesLimited investigationFinal reportSchempp Hirth Discus CS · Williams, CAThe pilot's failure to maintain clearance with terrain after intentionally releasing from the tow plane at a low altitude during the initial climb.NTSB WPR09CA368Accident · Minor injuriesData collectionFinal reportSchweizer SGU 2-22CK · Ephrata, WAThe premature launch signal given by the wing walker.NTSB CEN09LA353Accident · 1 fatalLimited investigationFinal reportBurkhart Grob G103C Twin III Acro · Gregory, MIThe pilot's failure to maintain sufficient airspeed during the turn to return for landing, which resulted an inadvertent stall/spin. Contributing to the accident was the failure of the ground winch tow cable shortly after takeoff.NTSB CEN09LA278Accident · Serious injuriesLimited investigationFinal reportGlasflugel H201B · Meadow Lake Airport, COA programming anomaly within the winch's computer aided launch control system, which incorrectly limited the maximum winch speed during launch of the glider.