NTSB investigations: Bell 47G-2A

7 cases on aircraft the registry lists as Bell 47G-2A, 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.

Defining event

Finding

Phase of flight

Aircraft model

Cases per year

19852026

NTSB investigations: Bell 47G-2A per year, 1985–2026: 7 cases
1985	1
1987	1
1993	1
1994	1
1995	1
2002	1
2007	1

Where

Open the map

Latest cases

Query with SQL

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 ('1181012') 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

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 ('1181012')
      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 ('1181012')
    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

Run 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 DFW07CA156Accident · Minor injuriesData collectionFinal reportBell 47G-2A · Mercedes, TXThe pilot's failure to maintain clearance from the power transmission line.Jul 11, 2007 · N7878 · Substantial damage NTSB ATL02LA128Accident · Minor injuriesLimited investigationFinal reportBell 47G-2A · La Belle, FLThe pilot's failure to maintain visual lookout while maneuvering during an aerial application, which resulted in an in-flight collision with power lines and uncontrolled descent into terrain.Jun 24, 2002 · N8486E · Substantial damage NTSB LAX95LA213Accident · No injuriesLimited investigationFinal reportBell 47-G2A · Bakersfield, CAthe pilot's failure to maintain adequate lateral clearance from the irrigation standpipe while applying chemicals to a field.Jun 18, 1995 · N73260 · Substantial damage NTSB MIA94LA216Accident · No injuriesLimited investigationFinal reportBell 47G-2A · Moore Haven, FLThe pilot-in-command's failure to maintain a visual lookout while maneuvering on a swath run, resulting in an in-flight collision with wires, and subsequent in-flight collision with terrain.Sep 23, 1994 · N30JJ · Destroyed NTSB CHI93LA179Accident · Minor injuriesLimited investigationFinal reportBell 47 · Berlin, WIThe pilot-in-command's failure to see the obstruction.May 21, 1993 · N8458E · Destroyed NTSB ATL87DEI03Accident · No injuriesFinal reportBell 47G-2A · Monroeville, OHThe plt was on a normal spray run next to the edge of a field when he misjudged his clearance & the main rotor blades contacted a tree. The helicopter then crashed to the ground in a wheat field.May 20, 1987 · N818HJ · Substantial damage NTSB CHI85LA204Accident · No injuriesLimited investigationFinal reportBell 47G-2A · Mantua, OHDuring an aerial application flt, the plt banked the helicoper to fly around a utility pole; however, the main rotor blades contacted the pole. The helicopter then descended, landed on its skids & sustained substantial damage. The plt stated that the gusty…May 22, 1985 · N73219 · Substantial damage