NTSB investigations: Bell 47G-3B-1, WY

10 cases on aircraft the registry lists as Bell 47G-3B-1. 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

19642026

NTSB investigations: Bell 47G-3B-1, WY per year, 1964–2026: 10 cases
1964	1
1965	1
1966	2
1967	2
1969	1
1982	1
1983	1
2005	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" = 'WY' 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 ('1181028', '118103A')) 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\" = 'WY' 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 ('1181028', '118103A'))
  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" = 'WY' 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 ('1181028', '118103A'))
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 DEN05LA137Accident · No injuriesLimited investigationFinal reportBell 47G-3B-1 · Rock Springs, WYthe pilot's failure to maintain control of the helicopter during the attempted autorotation after he experienced an engine overspeed that occurred for reasons undetermined.Sep 13, 2005 · N24SD · Substantial damage NTSB DEN83LA132Accident · No injuriesLimited investigationFinal reportBell 47G3-B1 · Devils Tower, WYThe acft crash landed in trees after the engine lost power. The helicopter was being used in aerial application at the time of the accident. The operation was being done in 8 minute segments. Every 8 minutes the helicopter landed for a reload of herbicide. At…Jun 1, 1983 · N80711 · Substantial damage NTSB DEN82FTC09Accident · 1 fatalFinal reportBell 47G-3B-L · Kaycee, WYThe pilot was having cooling fan problems, some blades had broken. He landed in a canyon stayed overnight to cool engine and planned to fly to top of the canyon to get repairs. After takeoff, the helicopter had climbed almost level with the top of the canyon…Aug 8, 1982 · N8529F · Destroyed NTSB DEN69D0213Accident · Minor injuriesClosedBell 47G3B1 · Albany, WYMar 25, 1969 · N73285 · Substantial damage NTSB DEN67A0052Accident · Minor injuriesClosedBell 47G3B1 · Cody, WYMar 10, 1967 · N8537F · Destroyed NTSB DEN67A0048Accident · No injuriesClosedBell 47G3B1 · Riverton, WYFeb 21, 1967 · N8537F · Substantial damage NTSB DEN67A0021Accident · Serious injuriesClosedBell 47G3B1 · Old Faithful, WYSep 15, 1966 · N73982 · Substantial damage NTSB DEN67A0007Accident · Serious injuriesClosedBell 47G3B1 · Riverton, WYJul 20, 1966 · N1332X · Substantial damage NTSB DEN66A0024Accident · Minor injuriesClosedBell 47G3B1 · Jackson, WYSep 29, 1965 · N1136W · Substantial damage NTSB UNK64X2453Accident · No injuriesClosedBell 47G3B1 · Bondurant, WYJun 23, 1964 · N73914 · Substantial damage