NTSB investigations, 2017
4 cases where the sequence of events included Emergency descent initiated.
Cases per year
| 2008 | 4 |
|---|---|
| 2009 | 1 |
| 2010 | 3 |
| 2011 | 1 |
| 2012 | 2 |
| 2014 | 2 |
| 2015 | 1 |
| 2016 | 4 |
| 2017 | 4 |
| 2019 | 3 |
| 2020 | 5 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 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\") = 2017
AND c.\"mKey\" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.\"tier2Number\" = '130' 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") = 2017 AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '130' 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 WPR17FA179Accident · 1 fatalField investigationFinal reportMichaelian Lancair IV-TP · Rio Linda, CAA loss of engine power for reasons that could not be determined based on available evidence.NTSB WPR17LA176Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 172S · Seattle, WAThe total loss of engine power due to oil starvation as a result of the loose right magneto, which allowed oil to escape and the engine to seize. Contributing to the accident was inadequate maintenance, which failed to identify the loose magneto bolt.NTSB WPR17LA104Accident · Minor injuriesClass 3 · LimitedFinal reportEvolution Air Lancair Evolution · Firebaugh, CAA failure in the windshield, frame, or windshield-to-frame bond, which resulted in a rapid decompression during cruise flight.NTSB CEN17FA071Accident · 2 fatalField investigationFinal reportColumbia Aircraft Mfg LC41 550FG · Gurdon, ARThe loss of control in flight for reasons that could not be determined because of the severe impact and postcrash fire damage to the airplane and the lack of information about the airplane emergency that the pilot was experiencing.