NTSB investigations: Bell 47G-2A, OH

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

19762026

NTSB investigations: Bell 47G-2A, OH per year, 1976–2026: 5 cases
1976	1
1977	1
1979	1
1985	1
1987	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."eventStateOrRegion" = 'OH' AND c."eventCountry" = 'USA' AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1181012')) 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.\"eventStateOrRegion\" = 'OH' AND c.\"eventCountry\" = 'USA'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1181012'))
  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."eventStateOrRegion" = 'OH' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1181012'))
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 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 NTSB CHI79FEI25Accident · Serious injuriesClosedBell 47G-2A · Carrollton, OHJun 3, 1979 · N7575 · Substantial damage NTSB CHI77FEK33Accident · No injuriesClosedBell 47G-2A · Big Plaines, OHSep 28, 1977 · N9526 · Substantial damage NTSB CHI76FEI43Accident · No injuriesClosedEL Tomcat Mark V · Mantua, OHAug 17, 1976 · N818HJ · Substantial damage