NTSB investigations: Bell 47D1
12 cases on aircraft the registry lists as Bell 47D1, 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
| 1982 | 2 |
|---|---|
| 1983 | 1 |
| 1984 | 2 |
| 1989 | 1 |
| 1990 | 2 |
| 1992 | 1 |
| 1995 | 1 |
| 1997 | 1 |
| 2002 | 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 ('1180802')
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 ('1180802')
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 MIA02LA154Accident · Minor injuriesLimited investigationFinal reportBell 47-D1 · Union, SCthe pilot's failure to maintain obstacle clearance.NTSB ATL97LA121Accident · No injuriesLimited investigationFinal reportBell 47-D1 · Holcomb, MSThe failure of the pilot to adequately see and avoid all obstructions while doing aerial application work.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 ATL92LA131Accident · No injuriesLimited investigationFinal reportBell 47D1 · Centre, ALThe pilot's inadequate visual lookout, resulting in a collision with a wire.NTSB CHI90DEC04Accident · Serious injuriesFinal reportBell 47 D-1 · Stockbridge, MIThe restricted visual lookout which resulted from the canopy fogging up.NTSB NYC90DGM02Accident · 1 fatalFinal reportBell 47D1 · Meadville, PAThe pilot's failure to see and avoid the power lines.NTSB MIA89LA133Accident · Serious injuriesLimited investigationFinal reportBell 47D1 · Miami, FLThe unqualified persons failure to maintain clearance from the fence. Pressure induced by others, lack of experience, and over confidence in personal ability are contributing factors to this accident.NTSB FTW85LA074Accident · Serious injuriesLimited investigationFinal reportBell 47D1 · Ardmore, OKThe acft collided with power lines during a recovery from a practice autorotational landing. The instructor plt took control of the acft for recovery and did not see the wires.NTSB MIA84LA134Accident · No injuriesLimited investigationFinal reportBell 47D1 · Berlin, GAThe plt collided with power lines as he turned to fly back to reload the acft. The plt made a statement that he did not see the wires in the trees. The plt did not file an accident report.NTSB MIA83LA069Accident · Minor injuriesLimited investigationFinal reportBell 47G2 · Riverview, FLAccording to the pilot he lost control of the acft after a bird hit him on the right temple while flying at about 15 feet above the water. The acft was traveling at about 50 mph when the bird flew in through left door opening. The pilot lost control of the…NTSB CHI83LA027Accident · Serious injuriesLimited investigationFinal reportBell 47D1 · Georgetown, INThe pilot started to takeoff from area that was difficult to exit. He relanded once. During the 2nd attempt to fly out, the helicopter collided with trees and crashed. The pilot was not rated in helicopters, but he said he had soloed.NTSB NYC82DHD11Accident · Minor injuriesFinal reportBell 47G · New Egypt, NJThe pilot stated that he was about to finish spraying the field and had only two passes remaining when the accident occurred. Passes were made to the north and south with the wind from the west at 5 to 10 knots. After completing a pass to the south, he pulled…