NTSB investigations, 2011
5 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\") = 2011
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") = 2011 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 WPR12FA010Accident · 1 fatalField investigationFinal reportDG Flugzeugbau DG 1000S · Cle Elum, WAThe pilot’s failure to maintain airspeed and control after takeoff, which resulted in an aerodynamic stall.NTSB CEN11LA585Accident · 1 fatalLimited investigationFinal reportAero Commander Callair A-9B · Marshall, MIThe towplane pilot's loss of control during an aerotow operation due to the glider pilot's inability to maintain a proper position behind the towplane while encountering turbulence on initial climb.NTSB ERA11FA413Accident · 1 fatalField investigationFinal reportMoyes Dragonfly · Ridgely, MDAn in-flight loss of control for reasons that could not be determined during postaccident examinations.NTSB ERA11FA401Accident · 1 fatalField investigationFinal reportSlingsby Capstan Type 49B · Hollywood, MDThe glider pilot’s improper response to the “check spoilers” signal from the tow pilot. Contributing to the accident was the glider pilot’s failure to confirm that the spoilers were closed and locked before takeoff, and the glider copilot’s improper crew…NTSB ERA11LA234Accident · 1 fatalLimited investigationFinal reportLet L 33 Solo · New Castle, VAPilot incapacitation shortly after takeoff for unknown reasons.