NTSB investigations: Robinson Helicopter R44
12 cases on aircraft the registry lists as Robinson Helicopter R44, where the first occurrence was “In flight collision with object”. 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
| 1998 | 1 |
|---|---|
| 2001 | 1 |
| 2002 | 1 |
| 2004 | 3 |
| 2005 | 2 |
| 2006 | 3 |
| 2007 | 1 |
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 c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('7640120')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 220))
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 c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('7640120')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 220))
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 NYC08FA026Accident · 3 fatalField investigationFinal reportRobinson Helicopter R44 · Jamestown, TNThe pilot’s failure to maintain clearance from a known wire hazard during takeoff.NTSB CHI06CA143Accident · No injuriesData collectionFinal reportRobinson R44 · Stapleton, NEThe pilot not maintaining clearance fron the tree during landing. A factor was the tree.NTSB LAX06CA184Accident · Minor injuriesData collectionFinal reportRobinson R44 · Wailuku, HIthe pilot's inadequate compensation for the existing gusty wind conditions that resulted in his failure to maintain proper alignment with the landing area.NTSB MIA06FA039Accident · 3 fatalField investigationFinal reportRobinson R44 · Grand Ridge, FLThe pilot's continued flight into known adverse weather, and his impairment, which resulted in an in-flight collision with trees and terrain during cruise flight.NTSB CHI05FA274Accident · 3 fatalField investigationFinal reportRobinson R44 · Drummond, WIClearance not obtained/maintained by the pilot during an unknown phase of flight. Contributing factors were the improper use of procedures by the pilot, the inadequate surveillance of the operation by company/management, and the wire.NTSB MIA05CA133Accident · Minor injuriesData collectionFinal reportRobinson R44 · St. Cloud, FLThe failure of the pilot to maintain clearance with a palm tree resulting in the in-flight collision with it, and subsequent uncontrolled descent and in-flight collision with the ground.NTSB CHI04LA212Accident · Minor injuriesLimited investigationFinal reportRobinson R44 · Chesterfield, MOThe pilot's inadequate preflight planning due to his selection of an unsuitable takeoff area and his failure to maintain clearance from the open hangar door. A contributing factor was the open hangar door.NTSB IAD04FA025Accident · 2 fatalField investigationFinal reportRobinson R-44 · Killingly, CTThe pilot in command's intentional flight into instrument meteorological flight conditions, and his failure to maintain obstacle clearance which resulted in a controlled descent into trees. Factors included the pilot's inadequate weather evaluation, low cloud…NTSB CHI04LA079Accident · No injuriesLimited investigationFinal reportRobinson R44 · Burlington, WIThe pilot's inadequate visual lookout and his failure to obtain/maintain clearance from the transmission wire during the takeoff. Factors contributing to the accident were the transmission wire and the pole.NTSB NYC02LA157Accident · No injuriesLimited investigationFinal reportRobinson R-44 · Atlantic City, NJThe pilot's improper flare during approach.NTSB CHI02FA049Accident · 1 fatalField investigationFinal reportRobinson R44 · Waukesha, WIThe pilot's continued flight into adverse weather and not maintaining altitude/clearance from the static line during cruise flight. Factors were the static wire, the darkness of night, the low ceiling, and the vehicle.NTSB CHI98LA239Accident · Minor injuriesLimited investigationFinal reportRobinson R-44 · Cassville, MOThe pilot in command's inadequate preflight planning/preparation and weather evaluation that resulted in flight into adverse weather conditions. Factors to the accident were a preflight briefing service not being used and the transmission wire.