Fatal NTSB investigations: Bell 47D1
11 cases on aircraft the registry lists as Bell 47D1. 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
| 1967 | 1 |
|---|---|
| 1969 | 2 |
| 1971 | 1 |
| 1976 | 1 |
| 1980 | 1 |
| 1988 | 1 |
| 1990 | 1 |
| 1994 | 1 |
| 1995 | 2 |
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.\"highestInjuryLevel\" = 'Fatal'
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1180802'))
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."highestInjuryLevel" = 'Fatal'
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1180802'))
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 LAX96FA045Accident · 2 fatalField investigationFinal reportBell 47D1 · Shafter, CAthe pilot misjudged the altitude and ground clearance while performing an unwarranted low altitude flight maneuver.NTSB FTW95FA181Accident · 2 fatalField investigationFinal reportBell 47D1 · Ardmore, OKInflight collision with a power transmission array static line when the flight instructor and dual (private pilot) student failed to maintain adequate visual lookout.NTSB MIA94FA125Accident · 2 fatalField investigationFinal reportBell 47D1 · Marathon, FLSeparation of the tail rotor gearbox and tail rotor blades for an undetermined reason. Factors related to the accident were: failure of maintenance personnel to follow the proper maintenance procedure after a previous tail rotor strike, and failure to conduct…NTSB NYC90DGM02Accident · 1 fatalFinal reportBell 47D1 · Meadville, PAThe pilot's failure to see and avoid the power lines.NTSB NYC89DNE01Accident · 1 fatalFinal reportBell 47D1 · Russell, MAA pilot induced low rotor RPM condition, followed by blade flapping as the main rotor blade contacted the tail of the helicopter.NTSB CHI80FEC26Accident · 1 fatalClosedBell 47D1 · Munith, MINTSB ANC76DAH16Accident · 1 fatalClosedBell 47D-1 · Birchwood, AKNTSB NYC72FID13Accident · 1 fatalClosedBell 47D-1 · Millers Tavern, VANTSB IAD70A0013Accident · 1 fatalClosedBell 47D1 · Cherokee, NCNTSB NYC69A0105Accident · 1 fatalClosedBell 47D1 · Gettysburg, PANTSB OAK67A0071Accident · 3 fatalClosedBell 47D1 · Martinez, CA