NTSB investigations: Robinson Helicopter R44 II, 2009
13 cases on aircraft the registry lists as Robinson Helicopter R44 II. 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
| 2003 | 2 |
|---|---|
| 2004 | 3 |
| 2005 | 4 |
| 2006 | 7 |
| 2007 | 10 |
| 2008 | 14 |
| 2009 | 13 |
| 2010 | 8 |
| 2011 | 6 |
| 2012 | 16 |
| 2013 | 15 |
| 2014 | 15 |
| 2015 | 15 |
| 2016 | 11 |
| 2017 | 19 |
| 2018 | 15 |
| 2019 | 18 |
| 2020 | 11 |
| 2021 | 23 |
| 2022 | 15 |
| 2023 | 12 |
| 2024 | 14 |
| 2025 | 16 |
| 2026 | 9 |
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\") = 2009
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('7640122', '7640123'))
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") = 2009
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('7640122', '7640123'))
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 CEN10CA082Accident · No injuriesData collectionFinal reportRobinson Helicopter R44 II · Abilene, TXThe pilot's failure to maintain directional control during the air taxi with shifting winds.NTSB WPR09CA470Accident · Minor injuriesData collectionFinal reportRobinson Helicopter R44 II · Mt Charleston, NVThe pilot's failure to maintain aircraft control and terrain clearance while maneuvering at a low altitude above high terrain. Contributing to the accident was a downdraft and high density altitude.NTSB WPR09LA460Accident · Serious injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Valley Center, CAThe failure of the engine’s camshaft due to fatigue of unknown origin.NTSB ANC09LA098Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Central, AKThe pilot’s failure to maintain control of the helicopter after an in-flight encounter with a downdraft while landing. Contributing to the accident was the pilot’s inadequate evaluation of wind conditions.NTSB WPR09LA411Accident · Serious injuriesLimited investigationFinal reportRobinson R44 · Tonopah, NVThe pilot’s failure to maneuver the helicopter within its performance capabilities while at a low altitude in mountainous terrain and in high density altitude conditions.NTSB ERA09LA421Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Dunedin, FLA partial loss of engine power for undetermined reasons.NTSB ERA09LA410Accident · No injuriesLimited investigationFinal reportRobinson R44 · Silver Spring, PAThe student pilot's inability to fully control the helicopter, during cruise and the resultant off-field hard landing.NTSB WPR09LA312Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Lakeport, CAA loss of engine power while maneuvering for undetermined reasons.NTSB ERA09CA337Accident · No injuriesData collectionFinal reportRobinson Helicopter R44 II · Meredith, NHThe pilot’s failure to maintain control during landing.NTSB WPR09CA224Accident · No injuriesData collectionFinal reportRobinson R44 · Cottonwood, AZThe pilot's inadequate visual lookout and failure to maintain clearance from wires.NTSB CEN09CA270Accident · No injuriesData collectionFinal reportRobinson Helicopter R44 II · Kent, TXThe pilot's failure to maintain control of the helicopter.NTSB WPR09CA105Accident · Minor injuriesData collectionFinal reportRobinson Helicopter R44 II · Bountiful, UTThe pilot's improper decision to fly at low altitude while maneuvering in mountainous terrain in a canyon and inadvertently exceeding the climb capability of the helicopter. Contributing to the accident were a high density altitude, mountainous terrain, and a…NTSB WPR09FA076Accident · Serious injuriesField investigationFinal reportRobinson Helicopter R44 II · West Valley City, UTThe pilot’s inadvertent VFR flight into IMC conditions, which resulted in his spatial disorientation and loss of control of the helicopter. Also causal was the flight instructor’s delay in taking remedial action.