NTSB investigations: Robinson Helicopter R44, 2011
7 cases on aircraft the registry lists as Robinson Helicopter R44. 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
| 1993 | 1 |
|---|---|
| 1998 | 2 |
| 1999 | 1 |
| 2000 | 3 |
| 2001 | 3 |
| 2002 | 6 |
| 2003 | 4 |
| 2004 | 7 |
| 2005 | 12 |
| 2006 | 11 |
| 2007 | 3 |
| 2008 | 5 |
| 2009 | 8 |
| 2010 | 8 |
| 2011 | 7 |
| 2012 | 4 |
| 2013 | 3 |
| 2014 | 8 |
| 2015 | 7 |
| 2016 | 6 |
| 2017 | 10 |
| 2018 | 10 |
| 2019 | 8 |
| 2020 | 9 |
| 2021 | 6 |
| 2022 | 12 |
| 2023 | 10 |
| 2024 | 9 |
| 2025 | 4 |
| 2026 | 8 |
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 x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('7640120'))
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 x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('7640120'))
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 ERA11CA505Accident · Minor injuriesData collectionFinal reportRobinson Helicopter R44 · Clearwater, FLThe certified flight instructor's delayed remedial action, which resulted in a loss of control and subsequent rollover.NTSB CEN11FA666Accident · 2 fatalField investigationFinal reportRobinson Helicopter R44 · Curren, MIThe non-instrument-rated pilot's decision to continue visual flight into instrument meteorological conditions, which resulted in controlled flight into trees and the ground. Contributing to the accident was the pilot's impairment from multiple drugs.NTSB CEN11LA648Accident · Serious injuriesLimited investigationFinal reportRobinson Helicopter R44 · Ocate, NMThe pilot’s failure to apply carburetor heat, which resulted in the formation of carburetor ice and a partial loss of engine power.NTSB CEN11CA627Accident · No injuriesData collectionFinal reportRobinson Helicopter R44 · Batesville, TXThe pilot’s inadequate preflight inspection that failed to ensure all tie-down clamps were removed prior to takeoff, which resulted in the helicopter’s dynamic rollover.NTSB ERA11LA380Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R44 · Lakewood, NJThe pilot’s inadequate yaw control of the helicopter while hovering.NTSB ERA11CA194Accident · No injuriesData collectionFinal reportRobinson R44 · Petersburg, WVThe pilot's failure to maintain control during the takeoff.NTSB WPR11CA121Accident · No injuriesData collectionFinal reportRobinson R44 · Ogden, UTThe certified flight instructor’s failure to maintain adequate main rotor blade rpm during a practice autorotation, resulting in a hard landing and rollover.