Fatal NTSB investigations: Bell 47G-5A

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

19742026

Fatal NTSB investigations: Bell 47G-5A per year, 1974–2026: 6 cases
1974	1
1977	1
1980	1
1986	1
1991	1
1994	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."highestInjuryLevel" = 'Fatal' AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1181034')) 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.\"highestInjuryLevel\" = 'Fatal'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1181034'))
  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."highestInjuryLevel" = 'Fatal'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1181034'))
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 CHI94FA330Accident · 1 fatalField investigationFinal reportBell 47G-5A · Wisconsin Rpds, WIUndetermined.Mar 22, 1994 · N2991W · Destroyed NTSB LAX92LA030Accident · 1 fatalLimited investigationFinal reportBell 47-G5A · KosraeThe pilot-in-command's improper preflight inspection of the helicopter resulting in a tiedown strap not being removed from the right skid and subsequent roll over on takeoff.Oct 31, 1991 · N7162R · Destroyed NTSB LAX86LA211Accident · 1 fatalLimited investigationFinal reportBell 47G-5A · AganaThe helicopter crashed into the ocean when the plt attempted to lift off from a tuna boat. Reportedly, only three of the four tiedown ropes, which had secured the helicopter to the boat, had been released. The plt's medical certificate was dated 1/18/84.May 6, 1986 · N2996W · Destroyed NTSB NYC80FA029Accident · 1 fatalClosedBell 47G-5A · Fayetteville, PAMar 27, 1980 · N58133 · Destroyed NTSB LAX77FA057Accident · 1 fatalClosedBell 47G-5A · Maricopa, AZJul 10, 1977 · N6276N · Destroyed NTSB CHI74AC099Accident · 2 fatalClosedBeech D18S · Detroit, MIJun 27, 1974 · N3616B · 2 aircraft · Substantial damage