NTSB investigations, 2020
6 cases where the sequence of events included Loss of visual reference.
Cases per year
| 2008 | 14 |
|---|---|
| 2009 | 13 |
| 2010 | 8 |
| 2011 | 13 |
| 2012 | 15 |
| 2013 | 11 |
| 2014 | 10 |
| 2015 | 25 |
| 2016 | 9 |
| 2017 | 27 |
| 2018 | 18 |
| 2019 | 16 |
| 2020 | 6 |
| 2021 | 14 |
| 2022 | 6 |
| 2023 | 18 |
| 2024 | 6 |
| 2025 | 7 |
| 2026 | 6 |
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\") = 2020
AND c.\"mKey\" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.\"tier2Number\" = '402' 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") = 2020 AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '402' 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 WPR21LA021Accident · Minor injuriesClass 4 · LimitedFinal reportRobinson R44 · Pahrump, NVThe pilot’s failure to maintain helicopter control while hovering low over a body a water while facing into the sun, which resulted in a loss of visual reference and subsequent impact with the lake surface.NTSB WPR20LA319Accident · 1 fatalClass 3 · LimitedFinal reportCessna T182 · Santa Barbara, CAThe pilot’s loss of airplane control due to spatial disorientation after entering instrument meteorological conditions.NTSB CEN20CA182Accident · No injuriesClass 4 · Data collectionFinal reportCessna 120 · Chatham, ILThe pilot's decision to continue flight in instrument meteorological conditions in an airplane not equipped for instrument flight, which forced her to perform a precautionary landing to a muddy field resulting in the airplane nosing over.NTSB CEN20CA119Accident · Serious injuriesData collectionFinal reportCessna 208 · Rhinelander, WIThe pilot's improper decision to continue an instrument approach to landing following a loss of visual reference with the runway, which resulted in the airplane touching down left of the runway in snow and flipping over.NTSB ANC20CA023Accident · Minor injuriesClass 4 · Data collectionFinal reportRobinson R44 · Talkeetna, AKThe pilot's failure to maintain adequate clearance from snow covered terrain during an en route descent in flat light conditions, which resulted in controlled flight into terrain.NTSB ANC20FA017Accident · 5 fatalClass 3 · FieldFinal reportPiper PA32R · Tuntutuliak, AKThe pilot's continued visual flight rules flight into reduced visibility, including likely flat light and/or white out conditions, which resulted in a controlled flight into terrain. Contributing to the accident were the operator’s inadequate operational…