NTSB investigations: Bell 47G, 1989
4 cases on aircraft the registry lists as Bell 47G. 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.
Cases per year
| 1964 | 12 |
|---|---|
| 1965 | 4 |
| 1966 | 10 |
| 1967 | 7 |
| 1968 | 6 |
| 1969 | 9 |
| 1970 | 4 |
| 1971 | 6 |
| 1972 | 8 |
| 1973 | 9 |
| 1974 | 9 |
| 1975 | 7 |
| 1976 | 8 |
| 1977 | 3 |
| 1978 | 9 |
| 1979 | 4 |
| 1980 | 5 |
| 1981 | 1 |
| 1982 | 5 |
| 1983 | 4 |
| 1984 | 2 |
| 1985 | 1 |
| 1986 | 1 |
| 1987 | 3 |
| 1989 | 4 |
| 1990 | 3 |
| 1991 | 1 |
| 1993 | 3 |
| 1994 | 1 |
| 1995 | 1 |
| 1996 | 1 |
| 1997 | 1 |
| 1998 | 4 |
| 1999 | 1 |
| 2001 | 1 |
| 2005 | 1 |
| 2007 | 1 |
| 2011 | 1 |
| 2014 | 2 |
| 2016 | 1 |
| 2022 | 1 |
| 2026 | 1 |
Where
Open the mapLatest cases
Query with SQL
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 year(c.\"eventDate\") = 1989
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1181002'))
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 year(c."eventDate") = 1989
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1181002'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun 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 SEA89LA177Accident · Minor injuriesLimited investigationFinal reportBell 47G · Corvallis, ORStudent pilot's improper use of the collective control while performing hovering autorotations, and the instructor's inadequate supervision of the student's actions, which resuled in hard landings. In addition, the engine mount was significantly weakened…NTSB MKC89LA195Accident · No injuriesLimited investigationFinal reportBell 47G · Ozark, MOThe failure of the dual student to properly flare during an autorotative landing resulting in a hard landing and partial failure of the right skid. The CFI also failed to properly monitor the student's actions on the flight controls.NTSB MIA89LA229Accident · No injuriesLimited investigationFinal reportBell 47G · Ponce, PRFailure of the aft tail rotor drive shaft.NTSB MIA89LA092Accident · No injuriesLimited investigationFinal reportBell 47G · Oklawaha, FLPilot's failure to properly control the helicopter during an attempted landing on the back of a truck. Contributing to the accident was the pilot's lack of experience in performing similar landings.