NTSB investigations: Bell 47G-3B-2, WA

9 cases on aircraft the registry lists as Bell 47G-3B-2. 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

19702026

NTSB investigations: Bell 47G-3B-2, WA per year, 1970–2026: 9 cases
1970	1
1972	1
1974	1
1976	2
1986	1
1990	1
1993	1
2009	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" = 'WA' 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 ('1181029', '1181036')) 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\" = 'WA' 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 ('1181029', '1181036'))
  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" = 'WA' 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 ('1181029', '1181036'))
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 WPR09CA331Accident · Minor injuriesData collectionFinal reportBell 47G-3B-2 · Ocean Shores, WAThe pilot's failure to maintain clearance from the water while maneuvering due to the pilot's diverted attention.Jul 7, 2009 · N8169J · Substantial damage NTSB SEA94LA029Accident · No injuriesLimited investigationFinal reportBell 47G3B2 · Toledo, WATransmission shear bolts failed causing a loss of power to the rotor system, and the pilot encountered unsuitable terrain during his autorotation attempt.Nov 9, 1993 · N8169J · Substantial damage NTSB SEA90LA048Accident · Minor injuriesLimited investigationFinal reportBell BH-47G3B2 · Des Moines, WAPartial loss of engine power, cause undetermined. The aircraft was not recovered and examination of the engine was not possible.Mar 1, 1990 · N4073G · Destroyed NTSB SEA86LA177Accident · Minor injuriesLimited investigationFinal reportBell 47G3B2 · Nahcotta, WAWhile spraying oyster beds the pilot inadvertently flew the helicopter into the ground.Jul 21, 1986 · N7092J · Destroyed NTSB SEA76DYC66Accident · No injuriesClosedBell 47G3B2 · Vancouver, WAAug 11, 1976 · N7092J · Destroyed NTSB SEA76DYG44Accident · No injuriesClosedBell 47G-3B · Palouse, WAApr 21, 1976 · N2240W · Destroyed NTSB SEA74DYG50Accident · Minor injuriesClosedBell 47G3B2 · Clarkston, WAJun 23, 1974 · N8169J · Destroyed NTSB SEA73DYG09Accident · No injuriesClosedBell 47G3B2 · Molsen, WAJul 8, 1972 · N7825S · Substantial damage NTSB SEA70FWG16Accident · No injuriesClosedBell 47G3B2 · Spokane, WAJun 6, 1970 · N7825S · Substantial damage