NTSB investigations: Robinson Helicopter R44, 2021
6 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\") = 2021
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") = 2021
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 CEN21LA350Accident · Minor injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 · Waukon, IAThe pilot’s failure to maintain adequate clearance from a powerline during an agricultural application pass.NTSB CEN21LA452Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 · Mineral Point, WIThe pilot’s failure to see and avoid a wire during an aerial application flight, resulting in a collision with the wire.NTSB ERA21FA200Accident · 1 fatalClass 3 · FieldFinal reportRobinson Helicopter R44 · Wingate, NCThe pilot’s failure to maintain clearance from a power line during a low-level aerial application flight, resulting in tail rotor impact with the power line, a loss of control, and subsequent impact with the ground.NTSB ERA21LA191Accident · 1 fatalClass 3 · LimitedFinal reportRobinson Helicopter R44 · Forkston, PAThe pilot’s inadequate preflight weather planning, which resulted in an inadvertent encounter with instrument meteorological conditions at night, spatial disorientation, and collision with terrain.NTSB CEN21LA184Accident · No injuriesClass 3 · LimitedFinal reportRobinson Helicopter R44 · Johnson, KSThe pilot's inadequate pedal application during a transition to hover, which resulted in a loss of yaw control and a subsequent impact with terrain.NTSB CEN21LA155Accident · No injuriesClass 3 · LimitedFinal reportRobinson Helicopter R44 · Dunn, TXThe loss of rotor RPM for reasons that could not be determined based on available evidence.